Lawns don’t need watering: how to garden in a heatwave

Early heatwaves can scorch plants, but there is plenty you can do to help without wasting water. Plants are often more vulnerable to sudden temperature spikes and tend to be a bit more resistant later in the summer. Even a few pots or a small patch of greenery contributes to cooling: plants provide shade, release moisture and can lower local temperatures by a couple of degrees.

Water in the early morning when the soil is cooler, or late evening if you can’t make it then. Use a watering can where possible and direct water under the foliage to the soil at the base; shaping soil like a dish helps water reach the rootball. Lawns and many established plants usually don’t need watering, but pots can dry out quickly and may need daily checks — stick two fingers into the compost to see if it’s dry down to the knuckle.

Collect rainwater or reuse washable household water for ornamental plants, and use it within 24 hours.

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