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Key Technical Points and Care Methods for Keeping Phalaenopsis (Moth Orchid) Through the Summer

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1. Measures: Getting Phalaenopsis through the summer is mainly a matter of cooling, and the following measures should be taken: ① Add a double layer of shade netting to reduce light, which achieves a good cooling effect (a drop of 2°C to 4°C). ② Sprinkle or flood the ground with water. Summer temperatures are very high, but the water just drawn from a well is actually very cold, around 16°C. Therefore, sprinkling or flooding with water can produce an obvious cooling effect. ③ Misting the leaves cools fastest, but the effect lasts the shortest time. ④ Ventilation. On the wall every 5

1. Measures: Getting Phalaenopsis through the summer is mainly a matter of cooling, and the following measures should be taken:

① Add a double layer of shade netting to reduce light, which achieves a good cooling effect (a drop of 2°C to 4°C).

② Sprinkle or flood the ground with water. Summer temperatures are very high, but the water just drawn from a well is actually very cold, around 16°C. Therefore, sprinkling or flooding with water can produce an obvious cooling effect.

③ Misting the leaves cools fastest, but the effect lasts the shortest time.

④ Ventilation. On the wall every 5 m, at a height of 70 cm above the ground, cut a 40 cm × 40 cm square hole to increase ventilation and reduce the occurrence of pests and diseases; turn on fans above 25°C to strengthen air circulation and promote plant growth.

2. Common Problems During the Summer

① Leaf aging and shedding: some lower leaves of the plants decline during the summer and gradually yellow and drop from late summer into autumn.

② Severe pests and diseases: especially when the weather is hot, the relative air humidity is too high with no wind, and temperatures are high, this easily leads to diseases such as soft rot, brown spot and viral diseases.

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