Greenhouse Size Calculator
Overwhelmed by choices? Not sure what will fit in your yard? You’re in the right place. This tool takes the guesswork out of choosing a greenhouse. Simply enter the dimensions of your available space, and we’ll recommend the perfect type and size for your needs, based on our years of hands-on experience.
Find Your Perfect Greenhouse
Understanding the Results: A Guide to Greenhouse Types
Our calculator gives you a great starting point, but understanding the “why” behind the recommendation is key. Here’s a breakdown of the most common greenhouse types and who they’re best for.
Mini Greenhouses
Perfect for gardeners with limited space, like a balcony, patio, or small corner of a yard. These are fantastic for starting seeds, growing herbs, and protecting a small collection of prized plants. Their compact size makes them easy to manage and affordable.
Walk-In Hobby Greenhouses
This is the most popular category for backyard gardeners. They offer enough room to stand and work inside, with space for shelving and taller plants. Many of the best portable greenhouses fall into this category, offering a great balance of size, function, and value.
Hoop House / Tunnel Greenhouses
If you have a long, narrow space and your goal is to grow in-ground rows of vegetables, a hoop house is the most efficient choice. They provide maximum coverage for the cost and are ideal for serious food production, protecting long beds of the best vegetables from the elements.
Polycarbonate Greenhouses
For the gardener seeking a permanent, long-term structure, polycarbonate kits are the gold standard. Their rigid twin-wall panels offer superior insulation, durability, and light diffusion. They are a significant investment, much like learning how to build a greenhouse at home, but they provide the best performance and longevity.
Beyond Size: Other Factors to Consider
While dimensions are critical, they’re not the only piece of the puzzle. A truly successful greenhouse experience comes from a holistic approach. As you plan, keep these key factors in mind:
- Heating & Cooling: The larger your greenhouse, the more powerful your heating and ventilation systems need to be. A well-insulated structure will drastically reduce the running costs of the best greenhouse heaters.
- Organization: How will you use the space? Proper planning with the best greenhouse shelving and benches is crucial to maximize your growing area and keep things tidy.
- Your Experience Level: Don’t feel pressured to start with a massive structure. Mastering a smaller space first is one of the most important greenhouse gardening tips for beginners and will build your confidence for future expansion.