Rose likes fat, and according to the principle of "lean fat, apply frequently", it constantly supplies various nutrients. The longer plants grow, the more flowers they bloom, and the more nutrients they need. Every winter, it is necessary to fertilize the soil 1 time to keep the shoots and buds lush and beautiful.
Roses are masculine flowers, like warmth, and can safely overwinter outdoors in North China and its south. Roses should be properly shaded in summer to avoid sun exposure; Loosening the soil for ventilation and keeping the ventilation unobstructed; Spray water on leaves to increase air humidity.
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Pruning is an indispensable and important process in rose landscaping. If it is not trimmed properly, it will grow into a pile of thorns, which are uneven, not only have many pests and diseases, but also have a bad appearance. These plants are pruned every spring before germination.
The pruning amount should be moderate, and the length of the main branch (main vine) should be kept within 1.5 meters, and the rest can be cut off. It is enough to leave 3-5 buds at the base of each lateral branch.
At the same time, the dead branches, twigs, pests and diseases will be thinned out, and the branches that are too old and dense will be cut off to promote the germination of new branches. The old plants will be constantly updated, so that they will bloom vigorously every year and be cultivated into potted flowers, and more attention will be paid to pruning and shaping.