How to breed rhododendrons and why the leaves turn black

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1. How to maintain

2. Reasons for black leaves

Acidic soil should be used to care for rhododendrons, and masonry pots or ceramic pots can be used as flower pots. The soil should be kept moist at ordinary times, and remember to water too much. You can use rainwater or tap water after drying for watering. Usually it should be placed in a sunny place, but it should not be exposed to the sun. Fertilizer should be applied once every 10 days during the growing season, and no fertilizer should be applied in winter. If the leaves are black, it may be caused by improper watering or excessive fertilization.

1. How to maintain

1. Pot soil: If you want to better cultivate azaleas, you need to use acidic soil with good ventilation. If alkaline soil is used for cultivation, it will be harmful to its growth and flowering. The flowerpot should also be larger, and the material should preferably be a clay pot or a ceramic pot.

2. Watering: It is a plant that is very afraid of drought and waterlogging. During the maintenance period, the soil should be kept moist, but no water should accumulate. In addition to normal watering in summer, you also need to spray water on the leaves to moisturize them. It is better to use rainwater when watering, or you can use tap water that has been left for a day or two.

3. Sunshine: During the growth period, it should be placed in a sunny place , cannot accept strong sunlight, if exposed, the leaves will be burned. Shade should be provided in summer and good ventilation should be ensured.

4. Fertilization: Fertilize rhododendrons with thin fertilizers frequently, and do not apply thick fertilizers. During the growing season, thin fertilizers are generally applied once every 10 days. There is no need to fertilize it in winter, but proper fertilization in January is very beneficial to its spring flowering.

2. Reasons for black leaves

During the normal maintenance of azaleas, long-term lack of water or excessive watering will cause the leaves to turn black. Watering must be correct and the soil must be kept moist. This can also happen with excessive fertilization, so fertilize sparingly. In addition, when contaminated by diseases, the leaves are easy to turn black, and pesticides must be used as soon as possible to control them.

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