{"product_id":"hoklartherm-riga-greenhouses","title":"Hoklartherm | Riga Greenhouse Series, Premium German-Made Polycarbonate Greenhouses","description":"\u003cdiv class=\"pg-product-page\"\u003e\n\u003cp\u003eThe Hoklartherm Riga Greenhouse Series is designed for gardeners who want more than a lightweight seasonal greenhouse. With insulated polycarbonate glazing, a reinforced aluminum frame, and the distinctive curved Gothic shape that Riga is known for, these German-engineered greenhouses provide a durable and practical growing environment for year-round gardening, seed starting, overwintering plants, homesteading, educational programs, and extended-season food production.\u003c\/p\u003e\n\u003cp\u003eWhether you are a serious backyard gardener, a homesteader looking for more control over your growing season, a school building a hands-on STEM garden, or a retiree investing in a long-term gardening lifestyle, the Riga Series offers a thoughtful balance of strength, insulation, ventilation, and usable growing space.\u003c\/p\u003e\n\u003cp\u003eThe Riga S, Riga L, and Riga XL models give gardeners several size options, from compact backyard greenhouses to large-scale growing structures. Each model is built around the same practical idea: protect your plants, extend your season, and create a greenhouse that performs well beyond one growing cycle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIAL ORDERS (XL5, XL7, XL8)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePlease note that special-order items are not kept in stock, and the estimated lead time is approximately 12 to 16 weeks.\u003c\/p\u003e\n\u003ch6\u003eKEY FEATURES\u003c\/h6\u003e\n\u003cdiv class=\"pg-feature-grid\"\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eGerman-Engineered Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBuilt by Hoklartherm in Germany, the Riga Series is known for durable construction, practical ventilation, and strong insulation for serious growing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eExcellent for All-Season Gardening\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInsulated polycarbonate glazing helps support seed starting, season extension, winter plant protection, and year-round growing when paired with the right growing practices.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eStrong Choice for Homesteaders\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Riga Series helps gardeners grow more food, start plants earlier, protect crops longer, and gain more control over seasonal changes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable for Educational Greenhouses\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePolycarbonate glazing, durable framing, and multiple size options make Riga a practical greenhouse choice for school gardens, STEM programs, and community growing projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eCurved Gothic Shape\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe rounded profile helps shed snow, reduce wind resistance, and create more usable growing space along the greenhouse sidewalls.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eLong-Term Gardening Investment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor gardeners planning to grow for many years, Riga offers a more substantial greenhouse structure than many entry-level hobby kits.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch6\u003eSPECIFICATIONS\u003c\/h6\u003e\n\u003cdiv class=\"pg-spec-grid-3\"\u003e\n\u003cdiv class=\"pg-spec-card\"\u003e\n\u003ch2\u003eRiga S2 Greenhouse\u003cbr\u003e7ft x 7ft 8in\u003c\/h2\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003cbr\u003eLength: 7ft\u003cbr\u003eWidth: 7ft 8in\u003cbr\u003ePeak Height: 7ft 1in\u003cbr\u003eGrowing Area: 54 sq. ft.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003cbr\u003e13-gauge aluminum frame\u003cbr\u003eCurved Gothic shape for snow shedding and wind deflection\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eGlazing\u003c\/strong\u003e\u003cbr\u003e8mm twin-wall polycarbonate sidewalls\u003cbr\u003e10mm twin-wall polycarbonate front and back gable panels\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003cbr\u003e1 roof vent with auto opener\u003cbr\u003e1 Locking barn-style hinged door\u003cbr\u003e1 rear window\u003cbr\u003eHardware\u003cbr\u003eAssembly documentation\u003c\/div\u003e\n\u003cdiv class=\"pg-spec-card\"\u003e\n\u003ch2\u003eRiga S3 Greenhouse\u003cbr\u003e10ft 6in x 7ft 8in\u003c\/h2\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003cbr\u003eLength: 10ft 6in\u003cbr\u003eWidth: 7ft 8in\u003cbr\u003ePeak Height: 7ft 1in\u003cbr\u003eGrowing Area: 81 sq. ft.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003cbr\u003e13-gauge aluminum frame\u003cbr\u003eCurved Gothic shape for snow shedding and wind deflection\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eGlazing\u003c\/strong\u003e\u003cbr\u003e8mm twin-wall polycarbonate sidewalls\u003cbr\u003e10mm twin-wall polycarbonate front and back gable panels\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003cbr\u003e1 roof vent with auto opener\u003cbr\u003e1 Locking barn-style hinged door\u003cbr\u003e1 rear window\u003cbr\u003eHardware\u003cbr\u003eAssembly documentation\u003c\/div\u003e\n\u003cdiv class=\"pg-spec-card\"\u003e\n\u003ch2\u003eRiga S4 Greenhouse\u003cbr\u003e14ft x 7ft 8in\u003c\/h2\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003cbr\u003eLength: 14ft\u003cbr\u003eWidth: 7ft 8in\u003cbr\u003ePeak Height: 7ft 1in\u003cbr\u003eGrowing Area: 108 sq. ft.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003cbr\u003e13-gauge aluminum frame\u003cbr\u003eCurved Gothic shape for snow shedding and wind deflection\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eGlazing\u003c\/strong\u003e\u003cbr\u003e8mm twin-wall polycarbonate sidewalls\u003cbr\u003e10mm twin-wall polycarbonate front and back gable panels\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003cbr\u003e1 roof vent with auto opener\u003cbr\u003e1 Locking barn-style hinged door\u003cbr\u003e1 rear window\u003cbr\u003eHardware\u003cbr\u003eAssembly documentation\u003c\/div\u003e\n\u003cdiv class=\"pg-spec-card\"\u003e\n\u003ch2\u003eRiga L3 Greenhouse\u003cbr\u003e10ft 6in x 9ft 8in\u003c\/h2\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003cbr\u003eLength: 10ft 6in\u003cbr\u003eWidth: 9ft 8in\u003cbr\u003ePeak Height: 7ft 7in\u003cbr\u003eGrowing Area: 102 sq. ft.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003cbr\u003e13-gauge aluminum frame\u003cbr\u003eCurved Gothic shape for snow shedding and wind deflection\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eGlazing\u003c\/strong\u003e\u003cbr\u003e8mm twin-wall polycarbonate sidewalls\u003cbr\u003e10mm twin-wall polycarbonate front and back gable panels\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003cbr\u003e1 roof vent with auto opener\u003cbr\u003e1 Locking barn-style hinged door\u003cbr\u003e1 rear window\u003cbr\u003eHardware\u003cbr\u003eAssembly documentation\u003c\/div\u003e\n\u003cdiv class=\"pg-spec-card\"\u003e\n\u003ch2\u003eRiga L4 Greenhouse\u003cbr\u003e14ft x 9ft 8in\u003c\/h2\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003cbr\u003eLength: 14ft\u003cbr\u003eWidth: 9ft 8in\u003cbr\u003ePeak Height: 7ft 7in\u003cbr\u003eGrowing Area: 135 sq. ft.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003cbr\u003e13-gauge aluminum frame\u003cbr\u003eCurved Gothic shape for snow shedding and wind deflection\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eGlazing\u003c\/strong\u003e\u003cbr\u003e8mm twin-wall polycarbonate sidewalls\u003cbr\u003e10mm twin-wall polycarbonate front and back gable panels\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003cbr\u003e2 roof vents with auto openers\u003cbr\u003e1 Locking barn-style hinged door\u003cbr\u003e1 rear window\u003cbr\u003eHardware\u003cbr\u003eAssembly documentation\u003c\/div\u003e\n\u003cdiv class=\"pg-spec-card\"\u003e\n\u003ch2\u003eRiga L5 Greenhouse\u003cbr\u003e17ft 6in x 9ft 8in\u003c\/h2\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003cbr\u003eLength: 17ft 6in\u003cbr\u003eWidth: 9ft 8in\u003cbr\u003ePeak Height: 7ft 7in\u003cbr\u003eGrowing Area: 165 sq. ft.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003cbr\u003e13-gauge aluminum frame\u003cbr\u003eCurved Gothic shape for snow shedding and wind deflection\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eGlazing\u003c\/strong\u003e\u003cbr\u003e8mm twin-wall polycarbonate sidewalls\u003cbr\u003e10mm twin-wall polycarbonate front and back gable panels\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003cbr\u003e4 roof vents with auto openers\u003cbr\u003e1 Locking barn-style hinged door\u003cbr\u003e1 rear window\u003cbr\u003eHardware\u003cbr\u003eAssembly documentation\u003c\/div\u003e\n\u003cdiv class=\"pg-spec-card\"\u003e\n\u003ch2\u003eRiga XL5 Greenhouse\u003cbr\u003e16ft 5in x 14ft\u003c\/h2\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003cbr\u003eLength: 16ft 5in\u003cbr\u003eWidth: 14ft\u003cbr\u003ePeak Height: 9ft 10in\u003cbr\u003eGrowing Area: 231 sq. ft.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003cbr\u003e13-gauge aluminum frame\u003cbr\u003eLarge Gothic structure with expanded interior height and width\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eGlazing\u003c\/strong\u003e\u003cbr\u003e16mm triple-wall polycarbonate panels\u003cbr\u003eDesigned for stronger insulation and serious year-round growing\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003cbr\u003e4 roof vents with auto openers\u003cbr\u003e2 Locking barn-style hinged doors\u003cbr\u003eHardware\u003cbr\u003eAssembly documentation\u003c\/div\u003e\n\u003cdiv class=\"pg-spec-card\"\u003e\n\u003ch2\u003eRiga XL6 Greenhouse\u003cbr\u003e19ft 10in x 14ft\u003c\/h2\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003cbr\u003eLength: 19ft 10in\u003cbr\u003eWidth: 14ft\u003cbr\u003ePeak Height: 9ft 10in\u003cbr\u003eGrowing Area: 280 sq. ft.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003cbr\u003e13-gauge aluminum frame\u003cbr\u003eLarge Gothic structure with expanded interior height and width\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eGlazing\u003c\/strong\u003e\u003cbr\u003e16mm triple-wall polycarbonate panels\u003cbr\u003eDesigned for stronger insulation and serious year-round growing\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003cbr\u003e4 roof vents with auto openers\u003cbr\u003e2 Locking barn-style hinged doors\u003cbr\u003eHardware\u003cbr\u003eAssembly documentation\u003c\/div\u003e\n\u003cdiv class=\"pg-spec-card\"\u003e\n\u003ch2\u003eRiga XL7 Greenhouse\u003cbr\u003e23ft x 14ft\u003c\/h2\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003cbr\u003eLength: 23ft\u003cbr\u003eWidth: 14ft\u003cbr\u003ePeak Height: 9ft 10in\u003cbr\u003eGrowing Area: 322 sq. ft.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003cbr\u003e13-gauge aluminum frame\u003cbr\u003eLarge Gothic structure with expanded interior height and width\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eGlazing\u003c\/strong\u003e\u003cbr\u003e16mm triple-wall polycarbonate panels\u003cbr\u003eDesigned for stronger insulation and serious year-round growing\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003cbr\u003e6 roof vents with auto openers\u003cbr\u003e2 Locking barn-style hinged doors\u003cbr\u003eHardware\u003cbr\u003eAssembly documentation\u003c\/div\u003e\n\u003cdiv class=\"pg-spec-card\"\u003e\n\u003ch2\u003eRiga XL8 Greenhouse\u003cbr\u003e26ft 3in x 14ft\u003c\/h2\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003cbr\u003eLength: 26ft 3in\u003cbr\u003eWidth: 14ft\u003cbr\u003ePeak Height: 9ft 10in\u003cbr\u003eGrowing Area: 368 sq. ft.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003cbr\u003e13-gauge aluminum frame\u003cbr\u003eLarge Gothic structure with expanded interior height and width\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eGlazing\u003c\/strong\u003e\u003cbr\u003e16mm triple-wall polycarbonate panels\u003cbr\u003eDesigned for stronger insulation and serious year-round growing\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003cbr\u003e6 roof vents with auto openers\u003cbr\u003e2 Locking barn-style hinged doors\u003cbr\u003eHardware\u003cbr\u003eAssembly documentation\u003c\/div\u003e\n\u003cdiv class=\"pg-spec-card\"\u003e\n\u003ch2\u003eRiga XL9 Greenhouse\u003cbr\u003e29ft 6in x 14ft\u003c\/h2\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003cbr\u003eLength: 29ft 6in\u003cbr\u003eWidth: 14ft\u003cbr\u003ePeak Height: 9ft 10in\u003cbr\u003eGrowing Area: 413 sq. ft.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFrame\u003c\/strong\u003e\u003cbr\u003e13-gauge aluminum frame\u003cbr\u003eLarge Gothic structure with expanded interior height and width\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eGlazing\u003c\/strong\u003e\u003cbr\u003e16mm triple-wall polycarbonate panels\u003cbr\u003eDesigned for stronger insulation and serious year-round growing\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003cbr\u003e8 roof vents with auto openers\u003cbr\u003e2 Locking barn-style hinged doors\u003cbr\u003eHardware\u003cbr\u003eAssembly documentation\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch6\u003eWHAT'S INCLUDED\u003c\/h6\u003e\n\u003cdiv class=\"pg-card\"\u003e\n\u003cp\u003eEach Riga greenhouse includes the aluminum frame, polycarbonate glazing panels, barn-style hinged locking door system, roof vents, automatic roof vent openers, required hardware, and manufacturer assembly documentation.\u003c\/p\u003e\n\u003cp\u003eRiga S and Riga L models also include a rear window for additional natural ventilation. Riga XL models include two locking barn-style doors and multiple automatic roof vents depending on model size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch6\u003eINSTALLATION GUIDE\u003c\/h6\u003e\n\u003cdiv class=\"pg-card\"\u003e\n\u003cp\u003eRiga greenhouses should be installed on a level, secure foundation. Proper anchoring is important for long-term structural performance, especially in areas with wind, snow, or shifting soil conditions.\u003c\/p\u003e\n\u003cp\u003eCommon installation options include a concrete strip foundation or the optional Riga foundation base. Always review the manufacturer assembly manual before beginning installation and check local permit requirements before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/files\/Riga-Greenhouse-Installation-Manual-2.26.25.pdf?v=1779654104\" title=\"Riga Greenhouse Installation Guide\" rel=\"noopener\" target=\"_blank\"\u003eRiga Greenhouse Installation Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch6\u003ePRODUCT VIDEO\u003c\/h6\u003e\n\u003cp\u003e\u003ciframe title=\"Small Riga Greenhouse Introduction\" src=\"https:\/\/www.youtube.com\/embed\/x9V9eIboh-4?si=QfgTMkD_7OX42DMD\" class=\"responsive-video\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"Medium Riga Greenhouse Introduction\" src=\"https:\/\/www.youtube.com\/embed\/UHsNLFj--pI?si=DLB3cbcWfqdYVGdH\" class=\"responsive-video\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe class=\"responsive-video\" src=\"https:\/\/www.youtube.com\/embed\/D5LuYL_pPuM?si=_4Ri8f0nZQ7Zz5Gw\" title=\"Riga Large Greenhouse Introduction\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch6\u003eRIGA GREENHOUSE INSTALLATION VIDEO\u003c\/h6\u003e\n\u003cp\u003e\u003ciframe title=\"RIGA Greenhouse Installation Video\" src=\"https:\/\/www.youtube.com\/embed\/xge-4mugQQI?modestbranding=1\u0026amp;rel=0\" class=\"responsive-video\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"RIGA XL Greenhouse Installation Video\" src=\"https:\/\/www.youtube.com\/embed\/DQ8vGTBwtVo\" class=\"responsive-video\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch6\u003eMAINTENANCE AND CARE\u003c\/h6\u003e\n\u003cdiv class=\"pg-feature-grid\"\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eClean the Polycarbonate Panels\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUse mild soap and water as needed. Avoid abrasive cleaners that may scratch or damage the glazing surface.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eInspect Roof Vents\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCheck automatic openers seasonally to make sure the vents open and close smoothly as temperatures change.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eMonitor Snow Accumulation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe curved shape helps snow slide off, but heavy snow buildup should still be monitored and cleared when necessary.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eCheck Anchoring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInspect the greenhouse foundation and anchors after severe weather or seasonal ground movement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch6\u003eOPTIONAL ACCESSORIES\u003c\/h6\u003e\n\u003cdiv class=\"pg-card\"\u003e\n\u003cp\u003eAvailable Riga accessories may include foundation bases, drop door kits, additional roof vents, vent openers, roof vent restraint cable systems, sash locks, top shelves, bottom shelves, seed trays, exhaust fans, solar-powered exhaust fans, intake vents, greenhouse heaters, digital thermostats, plant hooks, misting systems, solar lights, grow lights, wheelbarrow ramps, and T-bolts.\u003c\/p\u003e\n\u003cp\u003eAccessory bundles may also be available for select Riga and Riga XL models, including shelving and foundation frame packages.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch6\u003eWarranty\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003ePolycarbonate: 15 Year Limited Warranty (prorated after 5 years)\u003c\/li\u003e\n\u003cli\u003eFrame: 15\u003cspan\u003e Year Limited Warranty\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/files\/2022-RIGA-greenhouse-warranty-_originated-Jan-2017.pdf\" title=\"Hoklartherm RIGA Greenhouse Warranty\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/files\/RIGA_Greenhouse_Warranty_Cover.jpg\" style=\"border: 1px solid #bdbdbd;\" width=\"250\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch6\u003eMANUFACTURER INFO AND UNIQUE SELLING POSITION\u003c\/h6\u003e\n\u003cdiv class=\"pg-card\"\u003e\n\u003cp\u003eHoklartherm is a German greenhouse manufacturer known for producing high-quality greenhouses, conservatories, pavilions, patio roofs, and solar verandas. The Riga Series reflects Hoklartherm’s focus on strong aluminum profile systems, insulated glazing, practical airflow, and long-term structural performance.\u003c\/p\u003e\n\u003cp\u003eThe Riga Series stands out because it is built for gardeners who want dependable growing performance instead of a short-term seasonal structure. Its curved Gothic shape, insulated polycarbonate panels, heavy-duty aluminum frame, and automatic ventilation make it a strong fit for serious gardeners, homesteaders, educators, and all-season growers.\u003c\/p\u003e\n\u003cp\u003eRiga greenhouses are also well suited for educational and community growing programs. The insulated polycarbonate glazing provides a safer and more forgiving learning environment than traditional glass, while the different size options allow schools, garden clubs, and community organizations to choose a greenhouse that fits their space, budget, and teaching goals.\u003c\/p\u003e\n\u003cp\u003eFor many homeowners, the Riga Series is also a long-term investment in a more productive and enjoyable gardening lifestyle. It can support food production, plant protection, seed starting, tropical plant overwintering, and quiet year-round time in the garden.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch6\u003eFREQUENTLY ASKED QUESTIONS\u003c\/h6\u003e\n\u003cdetails class=\"pg-faq-item\"\u003e\n\u003csummary\u003eIs the Riga greenhouse suitable for year-round growing?\u003c\/summary\u003e\n\u003cdiv class=\"pg-faq-answer\"\u003e\n\u003cp\u003eYes. The Riga Series is well suited for extended-season and year-round growing in many climates when paired with proper ventilation, heating, shading, and growing practices. The insulated polycarbonate glazing helps retain heat better than thin single-layer coverings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"pg-faq-item\"\u003e\n\u003csummary\u003eIs the Riga greenhouse a good choice for homesteaders?\u003c\/summary\u003e\n\u003cdiv class=\"pg-faq-answer\"\u003e\n\u003cp\u003eYes. Riga greenhouses are a strong fit for homesteaders who want to start seeds earlier, protect crops longer, overwinter plants, and improve food-growing reliability through changing seasons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"pg-faq-item\"\u003e\n\u003csummary\u003eCan the Riga greenhouse be used as an educational greenhouse?\u003c\/summary\u003e\n\u003cdiv class=\"pg-faq-answer\"\u003e\n\u003cp\u003eYes. The Riga Series is a practical option for school gardens, STEM programs, community gardens, and hands-on growing education. The polycarbonate glazing is more impact-resistant than glass, and the insulated design helps create a more stable growing environment for learning.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"pg-faq-item\"\u003e\n\u003csummary\u003eWhich Riga model is best for a small backyard?\u003c\/summary\u003e\n\u003cdiv class=\"pg-faq-answer\"\u003e\n\u003cp\u003eThe Riga “S” models are best for smaller spaces because they provide strong insulation and durable construction in a more compact footprint. They are a good choice for suburban gardens, smaller yards, and gardeners who want serious performance without choosing a large greenhouse.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"pg-faq-item\"\u003e\n\u003csummary\u003eWhich Riga model is best for serious all-season growing?\u003c\/summary\u003e\n\u003cdiv class=\"pg-faq-answer\"\u003e\n\u003cp\u003eThe Riga XL models are best for serious all-season growing because they offer more interior space, taller height, two doors, multiple automatic roof vents, and 16mm triple-wall polycarbonate glazing for stronger insulation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\" class=\"pg-faq-item\"\u003e\n\u003csummary\u003eIs Riga a good greenhouse for retirees or long-term homeowners?\u003c\/summary\u003e\n\u003cdiv class=\"pg-faq-answer\"\u003e\n\u003cp\u003eYes. Many long-term homeowners choose Riga because it is designed as a durable, practical greenhouse investment. It supports productive gardening, plant protection, and a more enjoyable year-round gardening lifestyle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\" class=\"pg-faq-item\"\u003e\n\u003csummary\u003eCan Riga greenhouse be extended for future growth?\u003c\/summary\u003e\n\u003cdiv class=\"pg-faq-answer\"\u003e\n\u003cp\u003eNo, there is no extention kit for Riga. Since they cannot be extended, we recommend that you buy one size bigger than you planned.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e","brand":"Hoklartherm","offers":[{"title":"S2 = 7ft 8in x 7ft","offer_id":47379411271829,"sku":"RIGA-IIS","price":5099.0,"currency_code":"USD","in_stock":true},{"title":"S3 = 7ft 8in x 10ft 6in","offer_id":47379411304597,"sku":"RIGA-IIIS","price":5609.0,"currency_code":"USD","in_stock":true},{"title":"S4 = 7ft 8in x 14ft","offer_id":47379411337365,"sku":"RIGA-IVS","price":6289.0,"currency_code":"USD","in_stock":true},{"title":"L3 = 9ft 8in x 10ft 6in","offer_id":47379411697813,"sku":"RIGA-III","price":5864.0,"currency_code":"USD","in_stock":true},{"title":"L4 = 9ft 8in x 14ft","offer_id":47379692454037,"sku":"RIGA-IV","price":6884.0,"currency_code":"USD","in_stock":true},{"title":"L5 = 9ft 8in x 17ft 8in","offer_id":47379692486805,"sku":"RIGA-V","price":7819.0,"currency_code":"USD","in_stock":true},{"title":"XL5 = 14ft x 16ft 5in (Special Order)","offer_id":47379411959957,"sku":"RIGA-XL-5","price":17250.0,"currency_code":"USD","in_stock":true},{"title":"XL6 = 14ft x 19ft 10in","offer_id":47379412025493,"sku":"RIGA-XL-6","price":18499.0,"currency_code":"USD","in_stock":true},{"title":"XL7 = 14ft x 23ft (Special Order)","offer_id":47379412058261,"sku":"RIGA-XL-7","price":20749.0,"currency_code":"USD","in_stock":true},{"title":"XL8 = 14ft x 26ft 3in (Special Order)","offer_id":47379412091029,"sku":"RIGA-XL-8","price":21999.0,"currency_code":"USD","in_stock":true},{"title":"XL9 = 14ft x 29ft 6in","offer_id":47379412123797,"sku":"RIGA-XL-9","price":22999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/products\/RigaXL7_4.jpg?v=1751050326","url":"https:\/\/mygreenhousestore.com\/products\/hoklartherm-riga-greenhouses","provider":"MyGreenhouseStore.com","version":"1.0","type":"link"}