What are the symptoms of a Phalaenopsis orchid frostbite?
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What are the symptoms of a Phalaenopsis orchid frostbite?
After a Phalaenopsis orchid is frostbitten, its leaves will show symptoms of blackening and rotting. We need to trim the frostbitten leaves in time and move the plant to a warm place for care. In winter, if you want the Phalaenopsis orchid to survive the winter safely, you also need to control watering and stop fertilizing, otherwise the orchid will rot and die.
1. -- Blackening and Rotting --
Phalaenopsis orchids are not cold-resistant plants. After frostbite, the leaves will show symptoms of blackening and rotting. If the condition is serious, the plant can easily die. Therefore, when caring for Phalaenopsis orchids in winter, it should be placed in a warm room, and the temperature is best kept above 10℃.
2. -- Pruning Leaves --
After frostbite symptoms appear in Phalaenopsis orchids, if you want to save it, you need to first remove the frostbitten leaves to prevent the expansion of the rotting phenomenon. If its roots are not frostbitten, proper warming measures can stimulate new buds to grow around the orchid's roots.
3. -- Controlling Watering --
In winter, to keep Phalaenopsis orchids safe during the winter, it is also necessary to control watering. Only water the plant when the soil is dry, as water evaporation is slow at this time. If excessive watering leads to积水 in the soil, the orchid is prone to root rot.
4. -- Stop Fertilizing --
When the temperature is too low in winter, Phalaenopsis orchids stop growing, and their demand for nutrients is also low. To keep them safe during the winter, we also need to stop fertilizing. No fertilizer should be applied, as an excess of nutrients in the soil can lead to fertilizer damage to the orchid.
The comprehensive knowledge explanation on the symptoms of Phalaenopsis orchid frostbite shared above is hoped to be helpful to you.