Quick Answer:

Fivewall polycarbonate is a durable, energy-efficient glazing option with high insulation (R-value 3.03), 62% light transmission, and excellent structural strength—making it ideal for cold climates, snow loads, and year-round greenhouse gardening.

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What is Fivewall Polycarbonate Glazing?

BC Greenhouses has been working with this glazing product for a few years. It was so impressive in terms of its energy efficiency that we built a new aluminum framing system to accommodate the wider profile. For example, a typical single glass greenhouse glazing is 3mm in thickness whereas the Fivewall polycarbonate is an impressive 16mm.

Quick Answer:

Growing prize-winning tomatoes requires a greenhouse for earlier ripening and protection, careful late-summer pruning and low-nitrogen fertilization with calcium, consistent watering, and good air circulation to produce healthy, blemish-free fruit ready for competition.

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My tomatoes are sitting beside me in the front seat of my shiny black station wagon. We are on our way to the fair! 

Quick Answer:

What are the 5 easy steps to start my greenhouse garden today? To kickstart your greenhouse garden, begin by buying ready-to-plant vegetables, adding quality soil or potting mix, and growing in nursery pots if beds aren’t built yet. How do I quickly set up a productive greenhouse space with minimal effort? Install shelves for vertical growing, personalize your space for comfort (yes, even a chandelier!), and remember: starting small today means thriving plants tomorrow.

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Setting Up Your Greenhouse: The box has finally arrived - the greenhouse is assembled. Now what?

I called Rodney a year after his greenhouse was installed. I expected him to brag about the size of his tomatoes or the hours he spends sitting and enjoying the beautiful space he created.

Quick Answer:

Should I buy a greenhouse kit for my garden? Yes—especially if you live in a colder climate or anticipate moving in the future, a high-quality greenhouse kit offers unmatched flexibility, durability, and long-term value. Unlike homemade structures, B.C. Greenhouse kits are designed for easy disassembly and reassembly, allowing you to relocate or expand your greenhouse as your needs change. Backed by over 70 years of expertise and glowing customer experiences—including one gardener who’s moved his greenhouse five times over 30 years—these kits provide a lasting investment, exceptional support, and a deeply rewarding connection to gardening in every season.

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With over 70 years of experience and conversations with thousands of customers over the years, if you live in a colder climate or will ever think about moving, a greenhouse kit is the way to go.  Did you know you can easily disassemble our greenhouses and move them to a new location?  Not so easy to do with a homemade greenhouse.  In fact, many of our customers choose to add an extension when they move because they have more space!

Quick Answer:

What are the tips for managing and double cropping in a greenhouse to prepare for winter? Effective greenhouse management in summer involves double cropping fast-growing plants like radishes between slower growers such as peppers, using trap crops like beans to monitor pests, and starting winter-hardy crops early to maximize space and season length. Planning ahead by maintaining seedlings in flats and supplementing nutrients ensures continuous, healthy growth, allowing gardeners to transition smoothly from summer to fall and winter crops. This strategic approach optimizes greenhouse productivity year-round and helps prevent common pest issues.

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Surprisingly, Summer is the perfect time to prep for winterization

Managing your winter greenhouse with crops coming and going is a bit of an art form, so please bear with me. It involves starting seeds directly in greenhouse soil and also starting seeds in flats on shelves or potting benches.

The BC Greenhouse Builders Story Begins in 1951

BC Greenhouse Builders is thrilled to announce...