The Top 27 Prefab Greenhouses

Last updated on August 21, 2023

Are you looking for a cost-effective and environmentally-friendly way to grow your own produce year-round? Consider prefab greenhouses!

Do you love gardening but struggle to grow plants all year round due to seasonal changes? Or are you looking for a sustainable and cost-effective option to extend your growing season? Look no further than prefab greenhouses! Prefab greenhouses are more popular than ever, offering a practical solution that not only maximizes your plant growth potential but also promotes eco-friendliness. In this blog post, we’ll delve into the world of prefab greenhouses, exploring their benefits, uses, and how they can enhance your gardening experience.

So prepare to dig in as we explore what makes these greenhouses the perfect addition to any garden space!

Table of Contents

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Horizon Structures Prebuilt Greenhouses

Horizon Structures Prebuilt Greenhouses prefab greenhouse

Services and products:

  • Extend the growing season
  • Provide protection from pests and wildlife
  • Maintain consistent moisture and temperature levels
  • Built-in potting benches for ease and comfort
  • Storage for containers, tools, and gardening supplies

Horizon Structures is a reputable prefab greenhouse manufacturer that offers an all-in-one solution to extend your growing season with ease. Their prebuilt greenhouses require no assembly, making it easy to get started immediately.

With built-in potting benches and storage options, it provides convenience and comfort for any gardening enthusiast while protecting plants from various pests effectively.

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Cedar-Built Greenhouses

Facebook page: Facebook

Services and products:

  • Unique post & beam timber design
  • Handcrafted Canadian-made cedar greenhouse kits
  • 8’x12’ Portico Greenhouse style with 18” basewalls
  • 8’x12’ Lean-to Greenhouse with combination 30” & 18” basewalls
  • Prefabricated parts that simply screw together with all hardware included for ease of assembly

Cedar-Built is a family owned and operated business that specializes in handcrafted Canadian-made prefab greenhouse kits. With over 22 years of experience, they have manufactured and shipped more than 2600 kits across the US & Canada.

Their high-quality post & beam timber design comes with all hardware and custom assembly instructions for ease of construction.

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Sunset Barns Prefab Greenhouses


Contact phone: (610) 476-2256

Services and products:

  • Prefab greenhouse models for sale
  • Self-contained and virtually maintenance-free designs
  • Sturdy, modular construction
  • Heavy-duty poly carbonate panels that block harmful UV rays
  • Two distinct styles available to suit different budgets

Sunset Barns is a reliable prefab greenhouse manufacturer that offers sturdy and low-maintenance greenhouses for sale. Their carefully designed models are perfect for hobby gardeners or those who want to extend their growing season with ease.

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Growing Spaces Prefabricated Greenhouse Kits.

Growing Spaces Prefabricated Greenhouse Kits. prefab greenhouse

Contact phone: (800) 753-9333

Facebook page: Facebook

Services and products:

  • Prefabricated greenhouse kits
  • Growing Dome in six different sizes
  • Energy-efficient and sturdy greenhouse design
  • Solar-powered central air system
  • Ideal environment for growing food, plants, flowers, and fruits

Growing Spaces® is a leading manufacturer of innovative and energy-efficient prefabricated greenhouse kits. With over 30 years of experience, their advanced geodesic dome design boasts seven unique features that create an ideal environment for growing plants in any climate.

Their Growing Dome® uses solar-powered central air systems, automatic vents, insulation and weather-resistant materials to provide optimal conditions for plant growth year-round.

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Redwood Greenhouses by Sturdi-Built

Redwood Greenhouses by Sturdi-Built

Facebook page: Facebook

Services and products:

  • Handcrafted redwood greenhouse kits
  • Guaranteed healthy plant growth
  • Aesthetic upgrade for any backyard
  • Wide variety of sizes and styles available
  • Customizable kits to fit individual preferences and space

Sturdi-Built Greenhouse is a trusted and experienced company that has been producing the finest handmade redwood greenhouse kits for over 65 years. Their luxury greenhouses are made of high-quality materials and come in a variety of sizes and styles to fit any space or preference.

With Sturdi-Built, you can be confident in growing healthy plants while adding an aesthetic upgrade to your backyard.

6of 27 Greenhouses Greenhouses prefab greenhouse

Facebook page: Facebook

Services and products:

  • A-Frame Greenhouses
  • Garden Greenhouse
  • Lean to Greenhouses
  • Double Wide Greenhouses
  • Cottage Greenhouse

Stoltzfus Structures is a leading manufacturer of prefabricated greenhouses, catering to both new and experienced gardeners. With their wide range of models like A-frame, Garden, Lean-to and Cottage greenhouse, they offer cost-effective options for extending the growing season, starting early seeds indoors or protecting plants from adverse weather conditions – all while providing comfort and ease of use with built-in potting benches.

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Keystone Portable Hobby Greenhouses

Keystone Portable Hobby Greenhouses


Facebook page: Facebook

Services and products:

  • Greenhouse construction with removable pressure treated runners and double perimeter sill plates
  • Use of #1 SYP 2×4 studs and rafters with twin wall, UV-resistant polycarbonate sheets
  • Modular construction delivered fully assembled with a storm door, awning window, and composite exterior trims and fascia
  • Standard and Elite series available in various sizes with prices ranging from $3,090 to $6,000
  • Optional table and accessories such as exhaust fan and potting benches available for purchase

This company specializes in manufacturing quality built and virtually maintenance-free prefab greenhouses that are delivered fully assembled. The greenhouse standard construction utilizes sturdy materials such as pressure treated wood and UV-resistant polycarbonate sheets to provide a safe environment for plants to grow.

They offer their products in various sizes, from the affordable Standard Series to the premium Elite Series.

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Customizable Prefab Greenhouse Sheds from Home Town Structure

Services and products:

  • Prefab greenhouse sheds
  • Garden shed greenhouse
  • Solar greenhouse
  • Assistance in achieving a bountiful garden
  • Two options for prefab greenhouse sheds

This company offers prefab greenhouse sheds for those who struggle with seasonal gardening or want a different method of growing plants. They offer two options and promise to help people achieve a successful garden.

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Moneyboxhouse Prefab House Modern Greenhouse Manufactured Homes

Moneyboxhouse Prefab House Modern Greenhouse Manufactured Homes


Services and products:

  • Prefab houses
  • Modern greenhouses
  • Manufactured homes
  • Wind-resistant and anti-seismic dome homes
  • Prefabricated modular homes

This prefab greenhouse manufacturer offers a range of modern and affordable homes made from high-quality materials. They provide a quick installation process by six skilled workers, making it ideal for those who want to move in quickly.

The houses are also environmentally friendly and cost-effective, with a long lifespan of over 20 years.

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Everlast Greenhouses

Services and products:

  • Greenhouses (hobby and commercial)
  • Solariums
  • Skylights
  • Canopies
  • Storefronts

This company is a specialist in manufacturing high-quality greenhouses made of heavy aluminum that can withstand harsh weather. They offer hobby and commercial greenhouse kits with unique features such as glazing rafters, screen doors with clear glass panels and adjustable screens, and automatic roof vents.

Plus, they provide customizations for lengths, widths, heights to meet the customer’s specific requirements.

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Yoderbilt Greenhouses

Yoderbilt Greenhouses

Facebook page: Facebook

Services and products:

  • Prefab greenhouses in 8 FT. and 12 FT. wide sizes
  • Optional add-on features for greenhouses
  • Chicken coops
  • Free delivery of fully assembled greenhouses
  • Useful greenhouse tips and resources on their website

Yoderbilt Greenhouses is a manufacturer that produces high-quality greenhouses and chicken coops. Founded in 2011 by an entrepreneur who was dissatisfied with the quality of available greenhouses, Yoderbilt offers fully assembled structures delivered directly to your home, along with useful tips and resources for greenhouse users.

Contact them at 479-849-4385 to place an order or ask any questions.

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Greenhouse Garden Sheds & Potting Sheds by Salem Structure

Greenhouse Garden Sheds & Potting Sheds by Amish Modular Building Sales Ohio. prefab greenhouse

Contact phone: (530) 334-0237

Facebook page: Facebook

Services and products:

  • Backyard Wooden Greenhouse Sheds
  • Potting Sheds
  • Garden Sheds
  • Multipurpose storage shed greenhouse combo solution
  • Deluxe and premier garden sheds built with the highest quality and care directly from the Amish

Salem Structures is a reputable and trustworthy manufacturer of deluxe greenhouse sheds, potting sheds, and garden sheds. All structures are carefully crafted by the Amish and offer a stylish multipurpose solution that saves customers money.

With two different types available – standard greenhouse potting shed or farmhouse garden shed – customers can choose the option that suits their needs best.

13of 27

KT Barns Greenhouses

KT Barns Greenhouses


Services and products:

  • Greenhouses
  • Garden Sheds
  • Cabins
  • Deluxe Storage Barns
  • Standard Storage Barns

This company is a manufacturer of quality pre-fabricated greenhouses and other outdoor buildings such as horse barns, chicken coops, dog kennels and garden sheds. They offer a wide range of additional options including aluminum windows, metal skirting, wood shelving and wire shelving to customize their products.

With treated framing or cedar framing available for its greenhouses among many other optional features, the company caters to different needs of its clients from small-scale gardening enthusiasts to commercial farmers as well as offering delivery within Ohio.

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NW Green Panels

NW Green Panels prefab greenhouse

Services and products:

  • Attractive wood-framed greenhouses
  • Sturdy, pre-assembled modular components
  • Quick installation or disassembly for easy move or expansion
  • Standard 8ft wall height, 2×4 Cedar frame, and 8mm Twin-Wall Polycarbonate
  • Gorgeous modern design with versatility and durability is a reputable prefab greenhouse manufacturer based in Oregon, US. They offer sturdy and attractive wood-framed greenhouses for both hobbyists and professional horticulturalists with a standard 8ft wall height, cedar frame, and twin-wall polycarbonate.

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Guardian Series Engineered Greenhouse from Full Bloom Light

Guardian Series Engineered Greenhouse prefab greenhouse

Contact phone: (888) 725-4769

Facebook page: Facebook

Services and products:

  • Guardian Series greenhouse for high snow and wind areas
  • North American made hot dipped galvanized steel framing
  • Pre-welded cathedral style truss system for high snow and wind strength
  • Pre-fabricated and punched frames and materials to save on installation costs
  • Ability to modify and add additional equipment down the road.

This prefab greenhouse manufacturer offers a Guardian Series of greenhouses in various sizes ranging from 30′ x 72′ to 30′ x 144′. Designed for harsh weather conditions, the company claims that its high-quality hot dipped galvanized steel framing and cathedral style truss system provide superior strength against high snow and wind.

Their pre-welded frames reduce installation costs while providing ample space for cultivation.

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Florian Greenhouse

Florian Greenhouse

Contact phone: (800) 356-7426

Services and products:

  • Room additions
  • Greenhouse kits
  • Sierra sun room
  • Geneva greenhouses
  • DIY kits

Florian Solar Products is a leading manufacturer in solarium and greenhouse design with over sixty years of expertise. Their Sierra sun room boasts of having the highest degree of thermal integrity compared to competitors, resulting in 200% more energy efficiency.

Florian’s prefabricated greenhouses and sunrooms are available for purchase as kits or can be customized according to customer needs.

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Canopia by Palram Greenhouse Kits

Canopia by Palram Greenhouse Kits

Services and products:

  • Greenhouse Kits
  • Harmony, Hybrid, Bella, Balance, and Glory Greenhouse Kit Series
  • Different Structure Colors (Silver, Green, and Grey)
  • Various Glazing Options (Clear, Hybrid, Twinwall, and Frost Multi Wall Panels)
  • Different Sizes (Width: 2-15, Length: 3-32, Height: 4-10)

This is a manufacturer of various sizes and types of greenhouse kits that come in different colors and panel options. They have a range of products to choose from including smaller Lean To kits to larger Balance or Glory ones.

The company has received customer ratings for their product series names which speak to the quality of their offerings.

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Wisconsin Greenhouse Company

Services and products:

  • Custom Greenhouse 3D Renderings
  • Greenhouse Accessories
  • Greenhouse Reglazing
  • Design and Installation of Greenhouses for Home and Business
  • Manufacturing Details and Building Specifics

WGC is a reputable prefab greenhouse manufacturer offering custom greenhouse 3D renderings and impressive design options for both home and commercial use. Their attention to manufacturing details, foundation and attachment guides, as well as hardiness zone and wind/snow maps ensure lasting quality for your gardening pursuits.

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Mulberry Greenhouses

Contact phone: (339) 863-6126

Services and products:

  • Small and affordable greenhouse kits for sale
  • Greenhouse kits in different shapes, sizes, and designs
  • Greenhouse door kits and accessories
  • Price match guarantee, secure ordering, and easy returns
  • Brands including Solexx, Riga, Exaco, and Monticello available on their website

Mulberry Greenhouses is a credible and efficient prefab greenhouse manufacturer, providing small and affordable greenhouse kits for sale that come in different shapes, sizes, and designs. They pride themselves on easy returns, secure ordering, as well as offering a price match guarantee on all of their greenhouse door kits and accessories.

With their wide range of products from top brands such as Solexx and Riga to Exaco and Monticello available on their website — you too can easily start digging early!

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Hartley Botanic Large Greenhouses

Hartley Botanic Large Greenhouses

Contact phone: (224) 808-4575

Facebook page: Facebook

Services and products:

  • Victorian Grand Manor Greenhouse
  • Victorian Manor Greenhouse
  • Victorian Grand Lodge Greenhouses
  • Grand Gallery Greenhouse
  • Victorian Lodge

This prefab greenhouse manufacturer specializes in large, beautiful Victorian-style greenhouses that can be customized to suit the needs of private gardens, estates, and commercial enterprises. Each greenhouse is carefully crafted with attention to detail and practicality, making them perfect for serious gardeners who demand perfection.

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Modular Greenhouse Kits by Ceres


Facebook page: Facebook

Services and products:

  • Modular greenhouse kits with easy expansion options
  • Inline grow facilities with individual control of each grow environment
  • Commercial greenhouses with staggered harvests
  • Headhouses with various dimensions and peak heights
  • Corridor connected greenhouses with customizable length and width options

Ceres is a leading manufacturer of modular greenhouses that can be easily expanded based on your needs and site conditions. With uninterrupted workflow, individual control of each grow environment and staggered harvests, their inline grow facilities such as SOL, inline commercial facility NEPTUNE, headhouse connected SATURN and corridor connected JUPITER allow for maximum flexibility in design.

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Garden Shed Greenhouses

Garden Shed Greenhouses prefab greenhouse

Facebook page: Facebook

Services and products:

  • Prefab greenhouses in various sizes
  • Rent-to-own option for purchasing
  • Standard features including 5/12 pitch roof, auto roof vent, and clear poly-carbonate siding and roof
  • Dealer locations for in-person inventory viewing
  • Blog articles and resources on greenhouse ownership and gardening benefits

This greenhouse manufacturer offers affordable prefab greenhouses starting at $4,289 with rent-to-own options available. They have dealer locations across the country and standard features such as 5/12 pitch roof, auto roof vent, and clear polycarbonate siding and roof.

Their blog emphasizes the importance of owning a greenhouse for health benefits and provides helpful information on gardening.

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Greenhouse – 6′ x 9′ by Mueller, Inc.

Greenhouse - 6' x 9' by Mueller, Inc. prefab greenhouse

Services and products:

  • Greenhouse kits in various sizes
  • Easy to assemble bolt-together design
  • Galvanized steel frame
  • Durable polycarbonate panels
  • Lockable walk door

This greenhouse manufacturer offers a wide range of durable and affordable bolt-together greenhouses, including the 6′ x 9′ model that is perfect for casual gardeners. Standard features include galvanized steel frame, hail-resistant polycarbonate panels, a lockable walk door and detailed instructions for easy assembly.

Tools required to set up vary based on building complexity.

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GGS Structures

GGS Structures

Contact phone: (833) 333-3333

Facebook page: Facebook

Services and products:

  • Cold Frame
  • High Tunnel
  • Freestanding Greenhouse
  • Venlo-Style Greenhouses
  • Wide-Span Greenhouses

GGS Structures is a leading commercial greenhouse builder and designer in Canada, offering top-quality solutions for various plant environments. Their range of structures includes cold frames, high tunnels, freestanding greenhouses, venlo-style greenhouses, and more that are designed to deliver the best results for your crop production needs.

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North Country Sheds Prefab Greenhouses

North Country Sheds Prefab Greenhouses prefab greenhouse

Facebook page: Facebook

Services and products:

  • Prefab Greenhouses for Sale
  • Delivery and Assembly Included
  • Durable Construction with Metal Gables and Corners
  • Clear Polycarbonate Panels and Windows for Ventilation
  • Potting Benches and Treated Flooring Included

This company specializes in providing high-quality and durable prefab greenhouse models with various sizes and bonus features such as potting benches, windows for ventilation, metal entry door with screen, and treated flooring. They offer free delivery to Ontario and Quebec with no permit required.

Customers can easily request a delivery estimate through their website to start planting right away.

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Modular Greenhouse by Norseman LLC.

Modular Greenhouse by Norseman LLC.

Facebook page: Facebook

Services and products:

  • Portable and scalable modular grow rooms
  • Build-in-place modular cultivation rooms
  • Custom design of cultivation facilities
  • Prefabricated sustainable and energy-efficient greenhouses
  • Versatile and affordable drying, dehydrating, and storage cultivation solutions

Norseman is a leading manufacturer of cultivation solutions and services. They offer versatile options including portable and scalable modular grow rooms, top-notch interior improvements, customized cultivation facilities, sustainable prefabricated greenhouses, and affordable storage solutions.

Their products are designed to optimize growing conditions for maximum output of produce or plant extract compounds in any climate.

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Solar Innovations Greenhouses

Solar Innovations Greenhouses prefab greenhouse

Facebook page: Facebook

Services and products:

  • Custom greenhouse design and manufacturing
  • Interactive tool for planning and configuring growing environments
  • Commercial greenhouse construction for optimal growing conditions
  • Thermally-enhanced framing and insulated low-E glazing for temperature and light regulation
  • Accessories for maintaining the perfect indoor environment for plant growth.

Solar Innovations® is a leading custom greenhouse manufacturer that designs and produces a wide range of greenhouse solutions catering to the unique needs of each customer’s horticultural projects. Whether you are an occasional gardener or a large-scale educational facility, Solar Innovations® guarantees unparalleled design, engineering and construction expertise which will result in your dream growing space.

With commercial greenhouses built tough to withstand day-to-day use, you can expect the optimal growing environment in any season!

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