![]() When it rains, trees usually manage to drip a good proportion of the water away from the trunk. There is also a good reason not to water the leaves of trees. For example: “What you are telling me about water burning plants sounds so silly it must be true.” The existence of nitrogen burn predisposes us to accept a gardening enthusiast talking about “burn” to vaguely ring true.Īnother factor at play is that we more easily remember “facts” if they are counter-intuitive. When the available nitrogen in your soil exceeds ideal conditions for you plants, you may see distinctive discoloration in the leaves. The origins of this belief are possibly due to the very real phenomenon known as nitrogen burn. The simple answer is that we often just repeat things said to us by people we trust. My papaya was knocked over by a severe daylight storm. Why do people believe it is harmful to water plants in sunlight? Somehow they managed to survive just fine without home gardeners spreading rumors about the dangers of daylight watering. Plants evolved on planet Earth several hundred million years ago, possibly more than 700 million years ago. If this is true, then they must really hate it when it rains. A simple thought Experiment: watering in full sunlightĪssume that plants are harmed by daylight watering. While many gardeners will claim otherwise, watering in the middle of the day will not ‘burn’ or harm your plants in any way. ![]() So, is it okay to water plants in the sun? It is perfectly fine to water plants in full sunlight. This is such commonly dispensed wisdom, why would we doubt its veracity? The warning is usually along the lines of “Don’t water plants in full sunlight, or the leaves will burn”. We have all heard it said that watering plants in the middle of the day is a bad idea. ![]()
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