What happens to plants when the temperature is too high or too low?

1, when the temperature is too high, especially in hot weather, leafy plants will lose their leaves, yellow leaves, scorched tips, and the whole plant will droop and have no spirit; It is easy to breed pests, such as red spider on roses, aphids and whiteflies on crape myrtle, jasmine, rhododendron, orchid and chrysanthemum, and various caterpillars and caterpillars on fruit trees, all of which breed in such weather.

In addition, most succulents, such as cactus, palm, Sedum, etc. In this season, it is in a dormant state of stopping growth.

2. When the temperature is too low, most tropical and subtropical plants, such as mango, longan, lotus, palm, coconut, cattleya, Phalaenopsis and Oncidium, will freeze to below zero. Most temperate plants, such as poplar, willow, phoenix tree, peach, plum, apricot, etc., will lose their leaves; Plum blossom, wintersweet, camellia and azalea will be in full bloom in Ling Xue.

Of course, succulents must be put in the greenhouse for the winter.