In early spring, temperature differences are large, so flowers and plants should not be moved outdoors too early

Reasons why flowers and trees easily wither and die in spring

1. If the potting soil remains dry for a long time, flowers and trees cannot absorb enough water. In spring, temperatures rise quickly, winds are strong, and water evaporates fast, which easily causes an imbalance between water supply and demand in flowers and trees, ultimately leading to their death.

2. Overwatering keeps the moisture in the potting soil saturated for a long time. The plant's root system will rot or become moldy due to lack of oxygen supply, and may even die.

3. Excessive fertilization or too high a fertilizer concentration can easily burn the roots, causing the plant to wither and die. This is especially true for newly repotted plants, whose root systems have weak absorption capacity and mainly consume their own internal nutrients and water. Fertilizing at this time is most likely to burn the tender roots.

4. The main pests that cause flowers and trees to wither, including branches and leaves, and even plant death include scale insects, aphids, scarab beetles and longhorn beetles. Some suck fluids from plant tissues, some damage the roots of flowers and trees, and some bore into the xylem of flowers and trees. The main diseases that cause the death of flowers and trees include powdery mildew, damping-off disease and so on.

5. In spring, temperatures fluctuate between cold and hot with large differences. Moving flowers and trees outdoors too early makes it easy for them to die because they cannot adapt to the rapidly changing weather conditions outside. In addition, if newly potted flowers and trees are placed in sunlight as soon as they grow new leaves, the evaporation of water from the leaf surface will accelerate, causing the plant to lose water and die.

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Measures to prevent flowers and trees from withering and dying

1. For ordinary flowers and trees, the principle of watering is:

Do not water when dry, and water thoroughly when watering.

2. The fertilization principle for potted flowers is,

apply thin fertilizer frequently

3. All flowers and trees should not be moved outdoors too early; they should be moved out only after the weather conditions become stable. This is especially true for newly potted flowers and trees. They should not be moved outdoors and placed in sunlight too early. Instead, they should be kept indoors or in a cool, ventilated place for a period of care, and only after their growth has stabilized can they gradually be moved into sunlight.

4. To control scale insects and aphids, spray with a 1000-fold dilution of 40% omethoate or other insecticides; to control scarab beetles, use black light traps to kill adults, manually capture and kill adults, or use insecticides; to control damping-off disease, drench the roots with a 1000-fold dilution of 70% thiophanate-methyl wettable powder in the early stage of the disease.

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