Even in rainy days, wisteria has more water and less sunshine. How to save the leaves from yellowing and falling off?

Causes and solutions of yellowing of wisteria leaves

Overwatering

Many flower friends have nothing to do, just want to exchange feelings and chat with wisteria and water, and accidentally the plants are drowned by their spittle. Wisteria doesn't need a lot of water every day like humans. Over watering, the new leaves at the top turn yellow, the old leaves turn yellow gradually, and the plants become short and atrophy. Living in a humid soil environment for a long time, the roots are easy to rot.

job operation

Regularly loosen the soil, control watering, and try to move potted wisteria indoors to avoid rain in rainy days. Soil drought is obvious. Soil drought means too little watering. Because the soil is too dry and hard, the underground roots can't continue to grow, which leads to the senescence of the leaves below, but the leaves above grow normally. But as time goes on, the leaves will gradually turn yellow and fall off from bottom to top.

processing method

Watering, of course! But don't water it too much at a time, add it once and pour it thoroughly.

Lack of fertilizer &; Fat injury

The symptoms of improper fertilization are: thin yellow leaves and uneven surface. Long-term non-fertilization or excessive fertilization lead to abnormal root growth.

job operation

Apply fertilizer properly and change pots in time. When the plant grows slowly, liquid fertilizer should be supplemented in time. However, if the dosage is not well controlled, it is necessary to water it in time to dilute the fertility and avoid fertilizer damage!

Partial alkali

Wisteria likes acidic soil, and leaves turn yellow and fall off, which is caused by alkaline soil.

processing method

The grass on the roadside is soaked in water and watered directly, and the leaves will turn green slowly after being coated with ferrous sulfate. Or directly turn over the pot for acidic soil.

Illumination discomfort

If potted wisteria is maintained indoors, the leaves will turn yellow easily without sunlight. Even if the sun is full, if the light is too strong and the high temperature exposure time is too long, the leaves will turn yellow and fall off.

Does wisteria need to be fertilized regularly?

Wisteria is a plant that likes fertilizer very much, so fertilization is an essential relief. In the peak season of wisteria growth, multiple fertilization is needed to promote the growth and flowering of wisteria. Generally speaking, the fertilization before wisteria flowering is mainly diluted fertilizer, and the concentration is about 0.2~0.5%. The purpose of this is to make the flowers more colorful after flowering. Long-acting phosphate fertilizer should be applied after flowering to promote wisteria to extract more bone flowers and form a flowering effect.

Chinese wistaria

Fertilization of wisteria is divided into three steps:

The first step, in autumn, the base fertilizer, preferably organic fertilizer, is mixed with the bird's nest bacterial agent and applied around the plant stem. After fertilization, appropriate amount of water should be poured to promote the dilution and absorption of fertilizer.

The second step, in early spring, wisteria sprouts, and NPK water-soluble fertilizer should be applied to bird's nest. Try to keep the frequency once every half month, and * * * needs to be fertilized twice.

Third, when wisteria is about to bloom, topdressing in the soil. This topdressing should be based on bird's nest phosphorus and potassium fertilizer, mixed with a small amount of nitrogen fertilizer. Note that if the nitrogen fertilizer is excessive, it will cause lush foliage, but it will rarely blossom or even not at all.

The fourth step, after the wisteria blooms, cut off the extra branches in time and apply fertilizer once. This top dressing needs to be distinguished from the previous step, and the mixed fertilizer with nitrogen fertilizer as the main effect is the best, followed by base fertilizer.