Quick Answer:

Quick Answer:

BC Greenhouse Builders recommends installing a UV-stabilized shade cloth over your greenhouse in late spring to manage summer heat:

Quick Answer:

Installing a UV-stabilized shade cloth over your greenhouse in late spring reduces heat buildup, lowers pest pressure, saves water, and protects plants—especially in polycarbonate or glass structures—while offering seasonal flexibility to match changing light and temperature needs.

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Benefits of Shade Cloth

I’m sitting in my greenhouse sipping a cool drink as I look outside. With the current heatwave this is positively the coolest spot in the garden right now. But it didn’t use to be that way. Scorched leaves, dry soil and wilted, bolting lettuce used to be the norm.

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Quick Answer:

Should I Buy Shade Cloth This Summer?
Yes—installing shade cloth is a game-changing upgrade that instantly lowers greenhouse temperatures, prevents plant stress, and transforms your space into a productive and enjoyable retreat during hot weather. Shade cloth improves plant health, reduces cooling system strain, and can make your greenhouse a cool midday escape—even at 30°C. Choose 47–70% shade depending on your glazing and exposure, and install before summer heat peaks for optimal results.

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Hot Summer Gardening

I had to take a break in the shade. It was over 30 C, the sun was beating down and I was thinking I might be getting heat stroke. So I stepped into my greenhouse to cool down.