2. Pruning and shaping: Before sprouting in spring every year, the goldfinch plant is pruned once to cut off weak branches, dead branches and other branches that affect the shape.
3. Fertilization requirements: Too much fertilization will make the broom leaves too large, which will affect the ornamental. Therefore, topdressing is generally not needed in maintenance, but 0.2% potassium dihydrogen phosphate can be sprayed on the leaves at one time when the buds are formed to prolong the flowering period.
4, watering requirements: master the principle of not watering, watering must be thoroughly poured. Especially in the flowering period of goldfinch, it is necessary to keep the soil moist, which can prolong its flowering period.
5. Pot turning requirements: Turn the pot once 2-3 years before germination in spring. Potted soil should be of medium fertility, and sandy soil with good drainage should be selected.
6. Propagation method: The propagation of broom is generally based on cutting. One-year hard cuttings can be used in February-March, or one-year semi-mature shoots can be used in rainy season, and the cuttings are cut into 8- 12cm, and the cutting depth is 1B2. After cutting, put up a shed for shade and water it properly. After the goldfinch takes root, the shade shed is removed, and it grows healthily and has a high survival rate.
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