Conventional wisdom holds that you should water your lawn and garden only in the morning, before the sun gets high in the sky. Supposedly, the water droplets left behind on plant leaves serve as tiny magnifying glasses for the sun’s rays that can lead to scorched leaves. In reality, water droplets that sit on nontropical plants are not strong enough magnifiers to cause the sun’s rays to burn a plant in that way. While water will certainly evaporate less before the sun is up, it’s still better to water thirsty plants midday than to wait until the next morning.
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