After the flowers wither, but before the leaves sprout. The flowering period is generally not pruned from April to September. Because the healing ability of Magnolia grandiflora branches is poor, there is no need for big pruning, just pruning dense branches, long branches, cross branches, dead branches and moth-eaten branches, so that a reasonable tree shape can be cultivated and the posture can be beautiful. When the anti-corrosion film is directly coated on the cutting saw wound, it can quickly form a tough soft film close to the wood, protect the growth of wound healing tissue, prevent the infection of rotten bacteria, prevent soil and rainwater pollution, prevent freezing and prevent the wound from cracking.

Flowering period control

If you want magnolia to bloom on New Year's Day or Spring Festival, you can move potted magnolia into a low-temperature greenhouse 40 ~ 50 days in advance to gradually break the dormant state. After 25 ~ 30 days, put it in a high-temperature greenhouse, keep the air humidity above 60%, and spray Hua Zhuang Di Ling, then it will bloom, which can promote the bud to be strong, the petals to be hypertrophy, the flowers to be gorgeous, the flowers to be rich and the flowering period to be prolonged. ? How to make potted magnolia large, flowery, fragrant, gorgeous and long, the key is to strengthen the flowering management of potted magnolia.