WateringDuring the growing period of Forsythia, pay attention to watering frequently to keep the soil moist. When watering, adhere to the principle of "don't water unless the soil is dry, and water thoroughly when you do", and avoid waterlogging in the potting soil, otherwise the roots will easily rot. After September, reduce watering to control the growth of branches and allow the plants to store nutrients and overwinter safely. FertilizationFertilize 1 to 2 times before flowering to make the flowers plump and extend the flowering period. Do not fertilize during flowering. After the flowers fade in spring, apply well-rotted organic fertilizer 1 to 2 times to replenish the nutrients consumed by flowering and allow the plants to resume their growth as soon as possible. From June to August, the flower buds of Forsythia are differentiating. Appropriately increase the dosage of phosphorus and potassium fertilizers, pay attention to water control, and promote the formation of flower buds. Applying organic fertilizer once a month in autumn can enhance the plant's cold resistance and promote the development of flower buds. PruningThe most important reason why the plant does not bloom or blooms very little is that the branches are too long, consuming a lot of nutrients, and the flower buds do not get enough nutrients to develop. Flowers are few, if you want more flowers, you also need to know how to prune: When repotting, prune the plant, cut off dead branches, diseased and insect-infested branches, and overgrown branches. Pay attention to pinching during the growing period to control the growth of branches, which can not only maintain the perfect tree shape, but also promote branching and flowering. Prune the branches within 10 days of the flowers withering, leaving 2 to 3 flower buds on each branch. Apply nitrogen fertilizer twice after pruning, once every 10 days, to promote the growth of new branches. When the new branches grow to 15 cm, apply phosphorus fertilizer again 3 times, once every 7 days. It can promote the formation of flower buds and the development of buds and flowering. Pests and diseases and their controlCommon diseases and pests of Winter jasmine are leaf spot and dead branch disease. Clean up dead branches and leaves in time and spray to kill pathogens. When pests are found, remove them immediately and spray pesticides. |
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