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Riga XL 9 Greenhouse 14x30

$19,999.00 $22,999.00
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RIGA XL 9
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Whatever the weather or the season, the Riga XL Professional Greenhouse will meet all of your unique gardening needs. With 9ft 10in of height and 413 sq. ft. of floor space, the Riga XL 9 greenhouse blends reliable German engineering with aesthetic design to allow you to test the powers of your green fingers, regardless of climate or geographical location.

The Riga xl 9 greenhouse’s beautiful and practical design combines visual appeal with durability and quality, thanks to its German-made parts and pieces. Offering more window and door ventilation than others in its class, the Hoklartherm Riga XL 9 Greenhouse 14×30 provides the perfect environment for your seedlings to develop and grow. It also features between 6-8 roof windows (dependent on structure size) with automatic, electricity-free openers, to ensure your plants stay well ventilated and grow at their optimum temperature.

 

FREE GIFT : $150 Worth Solar Powered LED Light( 3 Watts) with this Greenhouse

Built to last

As the leading builder of premier greenhouses in Germany, Hoklartherm offers one of the most durable commercial-grade gardening products with the Riga xl 9 professional greenhouse. Its heavy-duty frame is made from reinforced aluminum and each frame profile is attached permanently to the next, ensuring maximum durability and reliability.

Secure and sturdy

Featuring lockable, heavy-duty Dutch doors (38in wide x 72in high) on each end of the structure, the Exaco RIGA XL 9 Professional Greenhouse is both easy to access and quick to secure. Its 16mm triple-wall polycarbonate panels are fixed to the anodized aluminum frame, creating a safe, durable, and virtually unbreakable greenhouse that protects your produce from garden pests, wild animals, and weather!

Invest in your home and garden

Offering maximum insulative value for its size, the triple-wall glazing on this Greenhouse offers the insulation your plants need to grow year-round without incurring extra heating costs. Save further costs on guttering, as the unique design of the Riga xl 9 professional greenhouse naturally diverts water away from its foundation.

By investing in the Exaco RIGA XL 9 Professional Greenhouse, you’ll also be investing in your property and land. The attractive design will fit into any upscale garden setting and almost certainly add to the value of your home. It stays looking brand new long after assembly, and its frame and walls are protected under respective 15-year and 10-year warranties.

Easy assembly and maintenance 

Despite the durability of the structure, the Riga xl 9 professional greenhouse is easy to assemble in as little as one weekend. The greenhouse comes with a DVD video guide, as well as comprehensive written setup instructions to answer all of your assembly questions. Thanks to the maintenance-free design of the Riga, this premium greenhouse requires only minimum upkeep once assembled. The occasional rinse with a garden hose and tightening the nuts and bolts once a year are the only tasks required.

Customizable Options: Make Your Riga Greenhouse Unique to You

Due to its popularity, the Hoklartherm Riga XL 9 Greenhouse is now available in 5 sizes, meaning you can select the perfect dimensions for your unique gardening needs. The Riga greenhouse also comes with the optional add-ons of a seed tray or bench shelving, including sturdy diagonal support braces that can hold up to 160lbs.

Alternatively, the Riga’s twin-wall polycarbonate shelf inserts can be easily removed to accommodate the growth of taller plants such as tomatoes or beans, or to allow insertion of heavy-duty seed trays.

Winter and Weather-proof

The Exaco RIGA XL 9 Professional Greenhouse’s ‘onion’ shape can withstand up to 120 mph winds and 30 PSF of ground-snow load. Rather than snow getting trapped in the structure's guttering, as seen on other models, any snow simply slides off the unique structure. In addition to the 16mm triple-wall paneling, the silicon caulking and heavy-duty rubber used between windows, walls, and frames give the Riga best-in-class insulation levels. The frame profiles of the greenhouse are permanently attached too, meaning they won’t come loose over time due to wind pressure. 

Features & Benefits of the Riga XL 9 Greenhouse

  • Sturdy “onion”-shaped construction that withstands strong winds and snow

  • Frame Material: Anodized aluminum frame

  • Glazing material/thickness (all four sides): 16 mm UV-coated TRIPLE-wall Polycarbonate

  • First class insulation:

    • Heavy-duty rubber seals between walls and frame and silicon caulking to seal windows

    • High-quality construction with tightly fitted parts

    • R-value: 2.0

  • Door: 2x wide, heavy duty Dutch barn style doors with locks (38in wide x 72in high), one for the front and one for the back

  • Roof vents: 6x roof vents (37.5in wide x 39.5in long), with an automatic opener which works without electricity

  • Wind tolerance: 120 mph with 3-second gusts

  • Snow capacity: 30 PSF ground-snow load

  • Included in the Riga XL 9 Greenhouse Kit:

    • Frame, glazing, rubber seals, and hardware

    • 6x roof vents with automatic openers

    • 2x barn-style doors

  • Rainwater gutter system: No (not possible because of the greenhouse shape)

  • Expandable: No

  • Frame Color: Aluminum/Silver

  • Peak height: 9ft 10in

  • Floor space: 413 sq. ft.

  • Dimensions: 14ft wide x 29ft 6in long x 9ft10in high

  • Assembly time: 2-3 people – 2 days at a minimum, comes with a DVD and written assembly instructions

  • Warranty:

    • Twin wall Polycarbonate: 10 years (prorated after 5 years)

    • Frame: 15 years

  • Made in Germany

  • Shipping information: Riga XL 9 Greenhouse ships in 8 boxes, 7 of which are on a pallet and one 20ft box. This product is delivered via LTL which is curbside delivery only. The driver will be using a pallet jack and liftgate to slide the crate off and will need help from the customer with the unloading of the framing cartons. We recommend having a couple of people there for the delivery.

  • Note: Please be sure to check your local building code for any required permits

  • Note: Hoklartherm Riga XL 9 Greenhouse is specially ordered by Exaco and individually inspected and packed with a 1 to 4 week lead time depending on inventory levels and so returns are expensive; please let us know if you have any questions at all

  • Designed, engineered, and manufactured by Hoklartherm, the top maker of premium greenhouses and outdoor pavilions in Germany

  • Imported by Exaco Trading Co. and shipped from their Austin, TX warehouse

  • Maintenance-free design means the Riga only needs occasional washing with a garden hose and recommended annual tightening of all nuts and bolts

  • Ships in eight carefully packed and inspected boxes via ground freight, seven on one pallet and one 20' long tube

  • Box 1 (straight profiles - aluminum): 234" x 8" x 8 " at 180 lbs., Box 2 (parts and rubber seals): 14" x 14" x 15" at 18 lbs., Box 3 (curved profiles - aluminum): 144" x 3" x 4" at 21 lbs., Box 4 (curved profiles - aluminum): 144" x 8" x 4" at 85 lbs., Box 5 (straight profiles - aluminum): 168" x 8" x 8" at 100 lbs., Box 6 (straight profiles - aluminum): 108" x 8.5" x 7.5" at 102 lbs., Box 7 (triple wall Lexan glazing): 154" x 39" x 6" at 180 lbs., Box 8 (triple wall Lexan glazing): 154" x 39" x 6" at 180 lbs.

  • The Riga XL Greenhouses do not have a double door option – only a front door and back door.

  • Shipping weight: 686 lbs.

  • Exaco and Hoklartherm stand by their greenhouses and work to make you 100% satisfied

Manuals: Hoklartherm Riga XL 9 Greenhouse Manual [2,219 k]


Manuals: Hoklartherm Riga Greenhouse Warranty [115 k] 

The Riga XL 9 Greenhouse comes with 4 “L-shaped” anchor bars (which attach to the inside of the base profiles) to attach the greenhouse to a concrete or wood frame.

Riga XL Greenhouse Assembly 2018 3D Version


      Optional Accessories:

      Riga XL Pro Kit

      This collection of optional accessories is the perfect way to upgrade any Riga XL Greenhouse. All of these accessories have been picked to be beneficial to plant growth and health.

      Includes the following accessories:

      • Riga XL 9 top & table shelf (not pictured)

      • 3 sets of professional LED Grow Lights

      • 1 – 24in in-take shutter vent

      • 1 – 20in exhaust fan

      • Thermostat to control vent & fan

      • 17,500 BTU 220 V heater

      • 5 heavy-duty seed trays

      • 10 stainless steel hooks & 10 heavy-duty plastic “hooks”

      • Assembly Facilitation Kit: 25′ metric tape measure, 10mm socket wrench, 10 mm open wrench, 2 20′ J-hook ratchet straps, window restraint cables, 2 tubes Boss 399 silicone caulk, permanent marker

       

        Door Extension Kit

        You only need this if you want to build your greenhouse on a stem wall (foundation wall). It essentially adds a piece of Polycarbonate above the door in order to close it off when the door is installed on ground level (check photo to get a better idea). Here is a link to the Door Extension Kit.

        Wind Restraint System for Roof Vents

        This nifty little add-on will keep your automatic openers save on stormy days. We do recommend it to people who experience storms often, especially if you don’t have many wind breaks in your garden. The automatic roof vent openers work with the indoor temperature. So, they may open even if it’s very windy outside. Therefore, it is wise to secure the vent. Check it out here!

        Additional roof windows

        Additional Roof Windows with Automatic Openers: recommended in areas where temperatures will reach over 95º F when still using the greenhouse.

        Seed Trays

        If you want to use the shelving for seed starting and you don’t want to use individual pots, you can get these seed trays. They fit perfectly on the shelf. Check them out here!

        Greenhouse Misting System

        A misting system cools down the greenhouse on hotter days. It also takes away the task of watering frequently (you still may need to manually water certain plants). However, you may not need it if you don’t have hot summers and if you are growing plants that don’t do well with overhead watering. Check out the misting system here!

        Plant Hooks

        If you want to utilize hanging pots or plant wires, these hooks may be beneficial to get. They attach to the greenhouse frame with a T-bolt head. Check them out here!

        Adjustable Metal Hooks

        Ten of these adjustable hooks are available in one set. These are great for hanging plants, fans and flower baskets (heavier items) Plastic hanger

        Wheelbarrow Access Plate

        A heavy-duty aluminum access plate is available to serve as a ramp for wheelbarrows over the threshold of your greenhouse. The plate is 21" long on each side x 19.5" wide x 1.75" high in the middle where it is hinged.

        Riga XL Greenhouse Sizes

        Riga XLs - (9'10” High. 16 mm triple-wall polycarbonate. Heaviest framing)

        RIGA XL 5: 14' x 16'5'

        RIGA XL 6: 14' x 19'10"

        RIGA XL 7: 14' x 23'

        RIGA XL 8: 14' x 26.3'

        RIGA XL 9: 14' x 29'6”

        Assembly Tips For Hoklartherm Riga Greenhouses

        While the process of assembling a greenhouse might seem daunting, the Riga XL Greenhouse kits are designed to be assembled by people even with no prior building experience. Depending on your skill level, the size of the structure, and the number of options you order, putting together a kit can take two or three adults one full weekend. 

        Many customers opt to hire a local handyman or contractor to simplify this process, and the affordable price of the kits makes it easy to do this. They can be readily found online at sites like AngiesList or HomeAdvisor. A version of the assembly manual is available as a PDF near the bottom of this page to give you a better idea of the process.

        Site Preparation - Customers often tell us that the trickiest part of the process is making sure that they have a good foundation upon which to build the structure. This foundation should extend around the perimeter of your greenhouse. It is ideal to have the foundation be as level and square as possible. 

        Concrete pavers or pressure-treated wood with crushed stone is often used, though actually pouring concrete will give the most permanent installation. The greenhouse is designed to last for decades, and pressure-treated wood typically will fail well before that when used in outdoor applications, particularly in the ground.

        Exaco recommends that all the grass and weeds be removed from inside the greenhouse before assembly and that the area be covered with a weed control mat. Installing the greenhouse on a concrete slab may seem like an easier way to get started, but it's actually less than ideal, as the greenhouse floor should be free draining.

        Standing water on concrete can freeze easily in winter months, causing a slip hazard. And concrete slabs don't help regulate the temperature inside the greenhouse as well as other floors such as pea gravel, pine straw, riverbed stones, or just regular earth. Customers typically will create some sort of path down the middle of their greenhouse with flag stones, bricks, or even decking.

        About Us

        We truly value your visit and custom, and we want to do everything we can to help you keep choosing ShopGrowSpaces. We offer fast shipping on all of our products, ensuring dispatch within two business days once your order has been processed. Our team are always on hand to send you details about your order, and answer any questions you might have about the products in our range.

        We also know how important peace of mind is when it comes to your security and coverage. That’s why our online store is Shopify-based, with SSL Encryption on all our pages, content, and data. With us, you're always safe when you’re shopping.

        Established in 1982 by Werner Hollander and manufacturers of the Riga xl 9 professional greenhouse, Hoklartherm GmbH has grown to become one of the leading engineers of premium greenhouses. The unique Riga design is among the strongest greenhouse structures available anywhere, developed in a state-of-the-art German factory that ensures a precise, high-quality build.

        We ship directly with family-owned global distributor Exaco Trading Co. – a company founded in 1987 that now exports premium garden and home products across Europe. Led by CEO Kimberly Tyson Cook and Andrew Cook, the pair have forged long-lasting and meaningful relationships with each of their manufacturers. We make considerable savings by shipping directly from Exaco Trading Co., and we pass these savings directly to our customers through our fantastic prices. Because of this, we are confident that we offer the lowest price for our range of premium products.

        Still not convinced? We’ll beat any competitor's price by 10%. Check out our Best Price Guarantee policy for more information!

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            Most products ship within 1 to 3 business days from the date of your order (unless indicated on the product page). Some items take a bit longer to ship since they are built to order (i.e., Timber Grow Lights, ChilLED Tech, Trimmers, etc). We will send you tracking information as soon as it is available.

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            Statistically online purchases are safer than using your credit card at a department store or a gas station.  Experts have shown that online purchases are far safer than in person credit card transactions because the information is immediately encrypted into a scrambled message that can only be decrypted by an authorized computer.

            Still don’t want to use your credit card on the World Wide Web?

            We’ve got you covered! Simply call us at +1 (307)-284-3072 and we will gladly help you place your order.

            We know you have a choice in online shopping, and we want to do all that we can do to earn your business. We not only want to earn it, but we want to keep it as well!. Here are the top reasons to buy from ShopGrowSpaces.com 

            Manufacturer Direct
            As an online based store, we ship directly from our wholesaler warehouses, which means we can pass the savings directly to our customers.

            Lowest Prices Guaranteed
            We work tirelessly to ensure we have the lowest prices in the online market for our range of products. We're that confident that we'll beat any competitor's price by 10%. Check out our Best Price Guarantee policy.

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            Orders are dispatched usually within 2 business days(post order processing & handling). You'll get an email confirmation of shipping with tracking ID when your order leaves our warehouse.

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            All our products come with a 12-24 month manufacturer's warranty.

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            Our dedicated team of specialists are available 7 days a week to answer your queries. Talk to us by phone, email or live chat!


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            Please note that shipping charges includes delivery to the front of your house only. Please consider planning ahead if the items you order are heavy/large to get them to their desired location.

            We ShopGrowSpaces wants you to feel confident that you are getting the absolute best price for the product you are ordering.

            We work very hard to ensure that we offer the absolute best prices online. If you find another online store that offers a lower price then us within 30 days of your purchase date please let us know and we will refund your original payment for the difference. We want you to feel confident that you are getting the absolute best price for the product you are ordering. If you find that our own website has a lower price for the same item you have ordered within 30 days of your purchase date will refund the difference as well.

            To request your partial refund, simply e-mail us a link to the same product on our website, or on our competitor's website, within 30 days from the date of your order and we will process the credit accordingly.

            Our 100% Price Guarantee has some limitations:

            • You must purchase the item from our website before requesting your Price Match Guarantee
            • Promotions such as rebates and "buy one, get one free" offers are not eligible
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            All claims must be made by sending an email to PriceClaim@NortonShoppingGuarantee.com. Our staff will verify your claim within 10 business days. We reserve the right to contact you and the merchant in order to get more information. All claims must be made in English.

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                  Description

                  Whatever the weather or the season, the Riga XL Professional Greenhouse will meet all of your unique gardening needs. With 9ft 10in of height and 413 sq. ft. of floor space, the Riga XL 9 greenhouse blends reliable German engineering with aesthetic design to allow you to test the powers of your green fingers, regardless of climate or geographical location.

                  The Riga xl 9 greenhouse’s beautiful and practical design combines visual appeal with durability and quality, thanks to its German-made parts and pieces. Offering more window and door ventilation than others in its class, the Hoklartherm Riga XL 9 Greenhouse 14×30 provides the perfect environment for your seedlings to develop and grow. It also features between 6-8 roof windows (dependent on structure size) with automatic, electricity-free openers, to ensure your plants stay well ventilated and grow at their optimum temperature.

                   

                  FREE GIFT : $150 Worth Solar Powered LED Light( 3 Watts) with this Greenhouse

                  Built to last

                  As the leading builder of premier greenhouses in Germany, Hoklartherm offers one of the most durable commercial-grade gardening products with the Riga xl 9 professional greenhouse. Its heavy-duty frame is made from reinforced aluminum and each frame profile is attached permanently to the next, ensuring maximum durability and reliability.

                  Secure and sturdy

                  Featuring lockable, heavy-duty Dutch doors (38in wide x 72in high) on each end of the structure, the Exaco RIGA XL 9 Professional Greenhouse is both easy to access and quick to secure. Its 16mm triple-wall polycarbonate panels are fixed to the anodized aluminum frame, creating a safe, durable, and virtually unbreakable greenhouse that protects your produce from garden pests, wild animals, and weather!

                  Invest in your home and garden

                  Offering maximum insulative value for its size, the triple-wall glazing on this Greenhouse offers the insulation your plants need to grow year-round without incurring extra heating costs. Save further costs on guttering, as the unique design of the Riga xl 9 professional greenhouse naturally diverts water away from its foundation.

                  By investing in the Exaco RIGA XL 9 Professional Greenhouse, you’ll also be investing in your property and land. The attractive design will fit into any upscale garden setting and almost certainly add to the value of your home. It stays looking brand new long after assembly, and its frame and walls are protected under respective 15-year and 10-year warranties.

                  Easy assembly and maintenance 

                  Despite the durability of the structure, the Riga xl 9 professional greenhouse is easy to assemble in as little as one weekend. The greenhouse comes with a DVD video guide, as well as comprehensive written setup instructions to answer all of your assembly questions. Thanks to the maintenance-free design of the Riga, this premium greenhouse requires only minimum upkeep once assembled. The occasional rinse with a garden hose and tightening the nuts and bolts once a year are the only tasks required.

                  Customizable Options: Make Your Riga Greenhouse Unique to You

                  Due to its popularity, the Hoklartherm Riga XL 9 Greenhouse is now available in 5 sizes, meaning you can select the perfect dimensions for your unique gardening needs. The Riga greenhouse also comes with the optional add-ons of a seed tray or bench shelving, including sturdy diagonal support braces that can hold up to 160lbs.

                  Alternatively, the Riga’s twin-wall polycarbonate shelf inserts can be easily removed to accommodate the growth of taller plants such as tomatoes or beans, or to allow insertion of heavy-duty seed trays.

                  Winter and Weather-proof

                  The Exaco RIGA XL 9 Professional Greenhouse’s ‘onion’ shape can withstand up to 120 mph winds and 30 PSF of ground-snow load. Rather than snow getting trapped in the structure's guttering, as seen on other models, any snow simply slides off the unique structure. In addition to the 16mm triple-wall paneling, the silicon caulking and heavy-duty rubber used between windows, walls, and frames give the Riga best-in-class insulation levels. The frame profiles of the greenhouse are permanently attached too, meaning they won’t come loose over time due to wind pressure. 

                  Features & Benefits of the Riga XL 9 Greenhouse

                  • Sturdy “onion”-shaped construction that withstands strong winds and snow

                  • Frame Material: Anodized aluminum frame

                  • Glazing material/thickness (all four sides): 16 mm UV-coated TRIPLE-wall Polycarbonate

                  • First class insulation:

                    • Heavy-duty rubber seals between walls and frame and silicon caulking to seal windows

                    • High-quality construction with tightly fitted parts

                    • R-value: 2.0

                  • Door: 2x wide, heavy duty Dutch barn style doors with locks (38in wide x 72in high), one for the front and one for the back

                  • Roof vents: 6x roof vents (37.5in wide x 39.5in long), with an automatic opener which works without electricity

                  • Wind tolerance: 120 mph with 3-second gusts

                  • Snow capacity: 30 PSF ground-snow load

                  • Included in the Riga XL 9 Greenhouse Kit:

                    • Frame, glazing, rubber seals, and hardware

                    • 6x roof vents with automatic openers

                    • 2x barn-style doors

                  • Rainwater gutter system: No (not possible because of the greenhouse shape)

                  • Expandable: No

                  • Frame Color: Aluminum/Silver

                  • Peak height: 9ft 10in

                  • Floor space: 413 sq. ft.

                  • Dimensions: 14ft wide x 29ft 6in long x 9ft10in high

                  • Assembly time: 2-3 people – 2 days at a minimum, comes with a DVD and written assembly instructions

                  • Warranty:

                    • Twin wall Polycarbonate: 10 years (prorated after 5 years)

                    • Frame: 15 years

                  • Made in Germany

                  • Shipping information: Riga XL 9 Greenhouse ships in 8 boxes, 7 of which are on a pallet and one 20ft box. This product is delivered via LTL which is curbside delivery only. The driver will be using a pallet jack and liftgate to slide the crate off and will need help from the customer with the unloading of the framing cartons. We recommend having a couple of people there for the delivery.

                  • Note: Please be sure to check your local building code for any required permits

                  • Note: Hoklartherm Riga XL 9 Greenhouse is specially ordered by Exaco and individually inspected and packed with a 1 to 4 week lead time depending on inventory levels and so returns are expensive; please let us know if you have any questions at all

                  • Designed, engineered, and manufactured by Hoklartherm, the top maker of premium greenhouses and outdoor pavilions in Germany

                  • Imported by Exaco Trading Co. and shipped from their Austin, TX warehouse

                  • Maintenance-free design means the Riga only needs occasional washing with a garden hose and recommended annual tightening of all nuts and bolts

                  • Ships in eight carefully packed and inspected boxes via ground freight, seven on one pallet and one 20' long tube

                  • Box 1 (straight profiles - aluminum): 234" x 8" x 8 " at 180 lbs., Box 2 (parts and rubber seals): 14" x 14" x 15" at 18 lbs., Box 3 (curved profiles - aluminum): 144" x 3" x 4" at 21 lbs., Box 4 (curved profiles - aluminum): 144" x 8" x 4" at 85 lbs., Box 5 (straight profiles - aluminum): 168" x 8" x 8" at 100 lbs., Box 6 (straight profiles - aluminum): 108" x 8.5" x 7.5" at 102 lbs., Box 7 (triple wall Lexan glazing): 154" x 39" x 6" at 180 lbs., Box 8 (triple wall Lexan glazing): 154" x 39" x 6" at 180 lbs.

                  • The Riga XL Greenhouses do not have a double door option – only a front door and back door.

                  • Shipping weight: 686 lbs.

                  • Exaco and Hoklartherm stand by their greenhouses and work to make you 100% satisfied

                  Manuals: Hoklartherm Riga XL 9 Greenhouse Manual [2,219 k]


                  Manuals: Hoklartherm Riga Greenhouse Warranty [115 k] 

                  The Riga XL 9 Greenhouse comes with 4 “L-shaped” anchor bars (which attach to the inside of the base profiles) to attach the greenhouse to a concrete or wood frame.

                  Riga XL Greenhouse Assembly 2018 3D Version


                      Optional Accessories:

                      Riga XL Pro Kit

                      This collection of optional accessories is the perfect way to upgrade any Riga XL Greenhouse. All of these accessories have been picked to be beneficial to plant growth and health.

                      Includes the following accessories:

                      • Riga XL 9 top & table shelf (not pictured)

                      • 3 sets of professional LED Grow Lights

                      • 1 – 24in in-take shutter vent

                      • 1 – 20in exhaust fan

                      • Thermostat to control vent & fan

                      • 17,500 BTU 220 V heater

                      • 5 heavy-duty seed trays

                      • 10 stainless steel hooks & 10 heavy-duty plastic “hooks”

                      • Assembly Facilitation Kit: 25′ metric tape measure, 10mm socket wrench, 10 mm open wrench, 2 20′ J-hook ratchet straps, window restraint cables, 2 tubes Boss 399 silicone caulk, permanent marker

                       

                        Door Extension Kit

                        You only need this if you want to build your greenhouse on a stem wall (foundation wall). It essentially adds a piece of Polycarbonate above the door in order to close it off when the door is installed on ground level (check photo to get a better idea). Here is a link to the Door Extension Kit.

                        Wind Restraint System for Roof Vents

                        This nifty little add-on will keep your automatic openers save on stormy days. We do recommend it to people who experience storms often, especially if you don’t have many wind breaks in your garden. The automatic roof vent openers work with the indoor temperature. So, they may open even if it’s very windy outside. Therefore, it is wise to secure the vent. Check it out here!

                        Additional roof windows

                        Additional Roof Windows with Automatic Openers: recommended in areas where temperatures will reach over 95º F when still using the greenhouse.

                        Seed Trays

                        If you want to use the shelving for seed starting and you don’t want to use individual pots, you can get these seed trays. They fit perfectly on the shelf. Check them out here!

                        Greenhouse Misting System

                        A misting system cools down the greenhouse on hotter days. It also takes away the task of watering frequently (you still may need to manually water certain plants). However, you may not need it if you don’t have hot summers and if you are growing plants that don’t do well with overhead watering. Check out the misting system here!

                        Plant Hooks

                        If you want to utilize hanging pots or plant wires, these hooks may be beneficial to get. They attach to the greenhouse frame with a T-bolt head. Check them out here!

                        Adjustable Metal Hooks

                        Ten of these adjustable hooks are available in one set. These are great for hanging plants, fans and flower baskets (heavier items) Plastic hanger

                        Wheelbarrow Access Plate

                        A heavy-duty aluminum access plate is available to serve as a ramp for wheelbarrows over the threshold of your greenhouse. The plate is 21" long on each side x 19.5" wide x 1.75" high in the middle where it is hinged.

                        Riga XL Greenhouse Sizes

                        Riga XLs - (9'10” High. 16 mm triple-wall polycarbonate. Heaviest framing)

                        RIGA XL 5: 14' x 16'5'

                        RIGA XL 6: 14' x 19'10"

                        RIGA XL 7: 14' x 23'

                        RIGA XL 8: 14' x 26.3'

                        RIGA XL 9: 14' x 29'6”

                        Assembly Tips For Hoklartherm Riga Greenhouses

                        While the process of assembling a greenhouse might seem daunting, the Riga XL Greenhouse kits are designed to be assembled by people even with no prior building experience. Depending on your skill level, the size of the structure, and the number of options you order, putting together a kit can take two or three adults one full weekend. 

                        Many customers opt to hire a local handyman or contractor to simplify this process, and the affordable price of the kits makes it easy to do this. They can be readily found online at sites like AngiesList or HomeAdvisor. A version of the assembly manual is available as a PDF near the bottom of this page to give you a better idea of the process.

                        Site Preparation - Customers often tell us that the trickiest part of the process is making sure that they have a good foundation upon which to build the structure. This foundation should extend around the perimeter of your greenhouse. It is ideal to have the foundation be as level and square as possible. 

                        Concrete pavers or pressure-treated wood with crushed stone is often used, though actually pouring concrete will give the most permanent installation. The greenhouse is designed to last for decades, and pressure-treated wood typically will fail well before that when used in outdoor applications, particularly in the ground.

                        Exaco recommends that all the grass and weeds be removed from inside the greenhouse before assembly and that the area be covered with a weed control mat. Installing the greenhouse on a concrete slab may seem like an easier way to get started, but it's actually less than ideal, as the greenhouse floor should be free draining.

                        Standing water on concrete can freeze easily in winter months, causing a slip hazard. And concrete slabs don't help regulate the temperature inside the greenhouse as well as other floors such as pea gravel, pine straw, riverbed stones, or just regular earth. Customers typically will create some sort of path down the middle of their greenhouse with flag stones, bricks, or even decking.

                        About Us

                        We truly value your visit and custom, and we want to do everything we can to help you keep choosing ShopGrowSpaces. We offer fast shipping on all of our products, ensuring dispatch within two business days once your order has been processed. Our team are always on hand to send you details about your order, and answer any questions you might have about the products in our range.

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                        Established in 1982 by Werner Hollander and manufacturers of the Riga xl 9 professional greenhouse, Hoklartherm GmbH has grown to become one of the leading engineers of premium greenhouses. The unique Riga design is among the strongest greenhouse structures available anywhere, developed in a state-of-the-art German factory that ensures a precise, high-quality build.

                        We ship directly with family-owned global distributor Exaco Trading Co. – a company founded in 1987 that now exports premium garden and home products across Europe. Led by CEO Kimberly Tyson Cook and Andrew Cook, the pair have forged long-lasting and meaningful relationships with each of their manufacturers. We make considerable savings by shipping directly from Exaco Trading Co., and we pass these savings directly to our customers through our fantastic prices. Because of this, we are confident that we offer the lowest price for our range of premium products.

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                                  Riga XL 9 Greenhouse 14x30

                                  Riga XL 9 Greenhouse 14x30

                                  $19,999.00 $22,999.00

                                  Quantity

                                  - +

                                  Foundation Frame

                                  Pro Kit

                                  Door Extention Kit

                                  Customer questions & answers

                                  Ask a Question
                                  • Is it easier to build this greenhouse by using the optional base?

                                    The optional foundation frame makes the anchoring of the greenhouse easier and without the use of concrete. To use the foundation frame you will need to dig a trench 5” deep the size of the perimeter of the greenhouse into which the foundation would be buried. If you do not want to use the foundation frame, the greenhouse will need to be anchored in some other way. The foundation frame won’t affect how the greenhouse is assembled.

                                  Customer Reviews

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                                  C
                                  C.P.
                                  Last year's tomato crop in my west Riga greenhouse

                                  The 2017 tomato crop was the must successful I've ever had. Our first harvest was April 30, and a plentiful supply continued until January 4. From the two Rigas we harvested close to 700 pounds of tomatoes, some of which were consumed fresh and most of which were juiced, canned, dried, or otherwise preserved for winter use. The indeterminate plants in the west greenhouse were each more than 26 feet long when I removed them in January.

                                  I tried a new approach for plant support in the west Riga. I've included a succession of pictures taken through the 2017 season showing the progress. I hope you find them interesting.

                                  K
                                  K.C.
                                  My Fav greenhouse

                                  One of the best greenhouses you will ever buy. Quality built, great for growing or wintering plants due to triple wall polycarbonate and sheds ice and snow well. Dave at shopgrowspaces was very great at helping me through the whole process. What customer service should be. Thank you Dave!

                                  R
                                  R.B.
                                  Perfect Packaging

                                  hey just a quick note, the order arrived in perfect condition, looked like it was shipped from across the street!!! AND special kudos to your packing department, I have never ever received anything this well packed and organized.I wish amazon took some lessons from you guys.next step, putting it all together and go..I am just amazed the quality of service you and your staff provide.Now to unpack all the little packages and go from thereagain thanksrobert.

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