2. Prune the root system when digging seedlings, and cut off the old roots and diseased roots.
3. After the magnolia is planted, it needs pruning vigorously. Usually, each plant can leave 5 ~ 6 main branches, and each branch can leave 7 ~ 8 short buds.
4. Prune before overwintering, and cut off dense branches and redundant branches. In winter, magnolia is in hibernation, so pruning can damage magnolia trees less.
Matters needing attention
When pruning magnolia trees, in order to prevent the damage of pests and diseases to magnolia trees, Bordeaux mixture should be applied to the incision to prevent the invasion of germs and ensure the healthy growth of plants.
Magnolia is a famous flower in China, the most important ornamental tree species in early spring in the north, and also known as the city flower of Shanghai. It has been cultivated for about 2500 years and is the most precious ornamental tree in the courtyard. Magnolia is native to the central province of China, and is now cultivated in Beijing and south of the Yellow River Basin. Now it is more common in gardens, factories and mines, solitary planting, scattered planting, or roadside trees on both sides of the road.