The pruning of flowering shrubs in gardens should be based on flower bud differentiation, which can usually be divided into the following types.
(1) Summer and autumn differentiation. Most flowering shrubs that bloom in early spring and spring and summer gardens, such as clove, forsythia, spring bloom, cherry blossom, prunus triloba, peony, etc., mostly began to differentiate into buds in the summer and autumn of the previous year, until flower bud differentiation was completed from September to October. The main part of this type of flower shrub must be trimmed after flowering. If it is pruned in winter and spring, it will inevitably cut off many flower buds, and because the plants are trimmed too late, some undesirable flower buds will consume many nutrients and thus affect the quality of flowers. And quantity.
(2) Differentiation of the year. Many summer flowering shrubs, such as hibiscus, crape myrtle, and scented plum, formed flower buds and blossoms on shoots of the year, and they can be pruned during dormancy.
(3) multiple differentiation type. Some shrubs and shrubs can be drawn several times a year, and each time they are drawn and differentiated, such as Chinese rose, jasmine, and fuchsia, etc., as long as they continue to draw new shoots in a year, they can continue to flower. Therefore, during the growing season, whenever the flowers are thanked, pruning should be carried out immediately to promote the sprouting of axillary buds under the cuttings, and then to draw new flowering branches to prepare for the next flowering.
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