Cultivation methods and precautions of Cornus officinalis

How to grow Cornus officinalis

Temperature and light

Cornus officinalis is a warm temperate sun-loving tree species. The suitable temperature for its growth is between 20~30℃, and it will grow poorly if the temperature exceeds 35℃. It has strong cold resistance and can withstand short-term low temperatures of -18℃.

Cornus officinalis is relatively shade-tolerant but prefers plenty of sunlight. It usually grows well in the middle and lower parts of hillsides, on shady slopes, sunny slopes, valleys, and on both sides of rivers. But avoid direct sunlight in summer.

soil

Cornus officinalis is best planted in well-drained, organically rich, fertile soil. An appropriate amount of river sand should be mixed into the soil to increase drainage and air permeability, and it is best if it is slightly acidic.

Water and fertilizer management

During its growth, Dogwood should be irrigated three times a year. The first time is before sprouting and flowering during the Spring Festival, the second time is during the fruit filling period in summer, and the third time is before winter, which can ensure that Cornus officinalis can safely survive the winter.

For Cornus officinalis, top dressing should be done once in spring and autumn respectively, and the best time for top dressing is in the early stage of young fruit in mid-April. During the flowering and fruit setting period, spraying 0.1% boron solution is also effective.

Things to note when growing Cornus officinalis

Reproduction method

There are many ways to propagate Cornus officinalis, such as sowing propagation, cutting propagation, grafting propagation, and layering propagation. Because the reproduction coefficient of Cornus officinalis is relatively large, the grafted seedlings can bloom and bear fruit in 2 to 3 years. The grafting method can make Cornus officinalis bear fruit earlier and bring benefits earlier.

Pest control

During the growth process of Cornus officinalis, it will be susceptible to diseases such as angular leaf spot, anthracnose, powdery mildew, gray plaster disease, as well as fruit borers (Cornus fruit borer, Cornus fruit borer), large moth (debt-avoiding moth), wood looper (bridge-building insect), leafhopper, spiny moth pests, wood capsule moth, scale insect pests, green-legged dewhopper (locust) and other pests. Pest and disease control is necessary to allow the dogwood to grow healthily and vigorously.