A Detailed Guide to the Latest Care and Management Methods for Wisteria Bonsai

Wisteria loves ample sunlight, tolerates slight shade, and is cold-hardy. It can be placed in a bright spot. During the growing season, water by the principle of not watering until the soil is dry, and when watering, soak it thoroughly. After August, keep the potting soil on the dry side, which helps it bloom more the following year. During the spring and summer growing seasons, apply a decomposed, diluted thin liquid fertilizer based mainly on phosphorus fertilizer once every 7-10 days to promote flower bud formation. Reduce fertilization during the flowering period and after August, and stop fertilizing after leaf fall.

After leaf fall in winter, carry out a comprehensive pruning, cutting the current year's branches short by 1/3-2/3 so they are arranged in a pleasing, staggered manner. In winter, move it to a cold room or overwinter it outdoors in a wind-sheltered, sunny spot. As long as the potting soil does not freeze, it can overwinter safely.

After it sprouts in spring, promptly remove overly dense buds so that nutrients are concentrated and flowering is favored. Repot once every 1-2 years before spring sprouting, remove some of the old soil, and place some decomposed animal hoof pieces, crushed bone residue, and other phosphorus-rich fertilizers at the bottom of the pot as a base fertilizer. The potting soil should be loose, fertile, and well-drained, slightly acidic soil.

Watering:

Wisteria consumes a lot of water, but it should still be kept dry rather than wet. If the potting soil is only wet and never dries, it is not conducive to flowering. Watering should follow the principle of not watering until the soil is dry, and when watering, soak it thoroughly. Especially during the flower bud differentiation period in August, water should be appropriately withheld. Normal watering can be carried out in September. After leaf fall in late autumn, water less.

Fertilizing:

Frequent application of thin fertilizer is an important measure for making wisteria bloom profusely and grow lush leaves. During the growing season, together with watering, apply a thin cake fertilizer once every half month until fertilization is stopped in July-August. Continue fertilizing in September, but both the frequency and concentration should be appropriately reduced. Before flowering, appropriately increase the application of phosphorus and potassium fertilizers.

Pruning:

When wisteria sprouts tender buds in spring, appropriately remove dense buds. When new branches grow to more than 20 cm long, the excess length can be cut off. At ordinary times, pay attention to cutting off leggy branches, diseased branches, and weak branches at any time. During the dormant period, pruning should also be carried out. In September, old wisteria leaves tend to age and droop, affecting the appearance. The old leaves can be removed to encourage the growth of new leaves. The newly sprouted leaves are tender green and delicate, which can delay leaf fall and extend the viewing period.