How to Protect Plants from Extreme Heat

Reader Contribution by Benedict Vanheems
Published on August 5, 2019
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Pixabay/jf-gabnor

Learn how to protect plants from extreme heat using smart watering and shade cloths to keep gardening during a heat wave.

Smart Watering

Water early in the morning when moisture evaporates more slowly. Check soil daily and water if it’s dry 2 or 3 inches below the surface. It’s better to soak the soil every few days than dampen only the surface daily.

Mold soil into ridges around plants to create bowls to water into. That way, water will be held in place to soak in rather than running away over the soil surface. Alternatively, water into old pots or bottles sunk into the soil next to plants.

Consider using a drip irrigation system on a timer if you’re unable to water daily in hot weather.

Container plants may need watering more than once a day, especially if it’s windy. Make sure the water is being absorbed into the potting soil, and not simply pouring down cracks between the potting soil and container wall. Keep pouring until you see water running out of the bottom. Use pot saucers to retain the water for longer.

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