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Short answer: a backyard greenhouse can cost anything from about $100 for a portable hoop house to over $50,000 for an insulated glass garden room. Most of our customers spend somewhere between $1,500 and $20,000. The price depends on four things: the frame and glazing material, the size, whether it comes as a kit or prebuilt, and what you add inside.
Greenhouse Prices by Type
These are starting prices from our own catalog at the time of writing. Bigger sizes and options cost more, and prices can change, so check the product page for the current price.
| Type | Typical starting price | Good for |
|---|---|---|
| Portable and hoop greenhouses | About $100 to $450 | Seed starting and extending the season on a small budget |
| Polycarbonate hobby kits | About $540 to $3,700 | A durable first greenhouse you build yourself |
| Wooden and cedar kits | About $1,500 to $8,300 | A classic look that holds heat better than bare aluminum |
| Prebuilt greenhouses | About $6,900 to $20,000+ | Delivered fully built, ready to use the day it arrives |
| Glass greenhouses | About $8,000 to $46,000 | A permanent garden room with real glass clarity |
| Insulated garden rooms | About $49,000 and up | Year-round use as a sunroom, studio or growing room |
What You Get at Each Price Level
Under $1,000: portable and small hobby greenhouses
Portable hoop and walk-in greenhouses with plastic covers are the cheapest way to start. They're light and easy to move, but the covers wear out faster and they don't hold heat well. A small polycarbonate kit like the Mythos 6 Foot is a step up: rigid panels, an aluminum frame and a real door.
$1,000 to $4,000: polycarbonate and small cedar kits
This is where most first-time buyers land. You get a sturdier frame, better panels and more headroom. Popular choices include the Snap & Grow 8', the Grandio greenhouses and the OLT Cedar Greenhouse.
$4,000 to $10,000: wooden greenhouses and entry prebuilts
Here you're buying a structure that looks like part of your garden, not just a plant shelter. The Colonial Gable and Colonial Garden are Amish-built wood greenhouses. The A-Frame and Modern Lean-To arrive fully built. Glass starts here too, with the Junior Victorian and Royal Victorian.
$10,000 and up: large prebuilts, glass and garden rooms
At this level you're choosing a building. The Cabin Greenhouse/Shed Combo and Double Wide are delivered built, with options for electric, plumbing and finished interiors. Large glass greenhouses and insulated garden rooms like the Melbourne are made for year-round use.
Costs Beyond the Greenhouse Itself
- Foundation or base: most greenhouses need a level base, such as a timber frame, pavers, crushed stone or a concrete pad. Larger glass greenhouses usually need a concrete or block foundation. See our guide to greenhouse foundations and permits.
- Assembly: kits are built by you or an installer you hire. Prebuilts arrive assembled.
- Shipping and delivery: many of our kits ship free. Prebuilt prices include estimated delivery, and additional freight can apply depending on your location. We confirm it with you before you order.
- Accessories: shelving and benches, automatic vent openers, fans, shade cloth, watering systems and heaters.
- Electric and water: running power or a water line to the greenhouse is usually done by a local electrician or plumber.
- Permits: some towns require a permit, depending on size and use.
How to Get the Most Greenhouse for Your Budget
- Size up if you can. Almost everyone wishes they'd bought bigger. Our guide How Big of a Greenhouse Do You Actually Need? can help.
- Match the material to your climate. See Glass vs. Cedar vs. Polycarbonate.
- Price your time. If you'd rather not spend weekends building, compare a kit plus installer with a prebuilt. Read Prebuilt vs. Kit vs. Custom.
- Ask about financing. Financing is available on many of our greenhouses.
FAQ
What is a good budget for a first greenhouse?
For a durable greenhouse that lasts, plan on roughly $1,000 to $4,000 for a polycarbonate or small cedar kit, plus the cost of a level base.
Is a glass greenhouse worth the extra cost?
If you want a permanent garden room with the best clarity and a classic look, yes. If you mainly want to grow plants on a budget, polycarbonate does the job for less.
Are prebuilt greenhouses more expensive than kits?
The sticker price is higher, but assembly and estimated delivery are included. Once you count an installer's labor, the gap is often smaller than it looks.
Do greenhouse prices include shipping?
Many of our kits ship free. Prebuilt prices include estimated delivery, and we confirm any additional freight for your location before you order.
Not sure what fits your space and budget? Call or text us at 732-806-7959. We'll help you compare options and get you the best price for your project.
