Walnut tree overview

Walnut tree has wide adaptability to soil, but it is suitable for planting on deep, loose, fertile and moist sandy loam. It likes a warm and humid environment. It is resistant to waterlogging and generally grows on slopes and hilly areas at an altitude of 400-1800 meters. The flowering period is in May and the fruiting period is in October.

Walnut tree pruning time

1. Walnut trees can be pruned in March in spring, mainly after peach trees sprout. At this time, the temperature rises and the tree sprouts. Later, the roots store nutrients and continuously transport them upward, so more nutrients are stored, so pruning at this time will cause less damage.

2. Walnut trees can also be pruned from late May to the end of June in summer. At this time, they can be combined with picking scions. They cannot be pruned after the walnuts are harvested and before they fall (early October to early November). When pruning, it is in the period of nutrient return, which will cause more nutrients to be lost, and the wound will lose water easily, is not suitable for healing, and is susceptible to disease.

3. The best time to prune walnut trees is from after the ground freezes to before they sprout, around December. Part of the tree stops growing in winter, and pruning damage is minimal at this time.

Walnut tree pruning method

Walnut trees grow vigorously and have a large number of fruits. They need to thin out the dense branches to increase the ventilation and light transmittance of the plant. When pruning, you should follow the In accordance with the principle of removing the weak and leaving the strong, thin out overly dense branches in a timely manner, and prune diseased and insect-infested branches, old branches, dense branches, and cross branches to reduce the loss of nutrients. In addition, prune remaining flowers promptly after the flowering period.

Walnut tree pruning precautions

Walnut trees can be heavily pruned in winter. Winter and spring pruning can be combined. Prune less in summer and not in autumn. Branches with diseases and insect pests can be found at any time. The principle of cutting at any time.