1. Flowerpot selection: Dahlia has a special cultivation method. As the most complex one of the chrysanthemums, it needs to undergo three pot changes. Before planting, use a flowerpot with a diameter of 30cm, which should not be too large. For the second time, it needs to be planted in a large basin, and finally transplanted into a basin with good drainage, and the flowerpot uses ventilation. Tile basin with good drainage effect
2. Nutrient management: more and more fertilizer will be needed in the development of Dahlia. In addition to the basic fertilizer, topdressing is also needed to meet the growth needs.
3. Water management: after grafting, dahlia needs to be watered regularly, but the amount of water should not be too much each time, because dahlia is afraid of ponding, as long as the soil is kept moist.
4. Substrate selection: Dahlia has certain requirements for soil, which needs a lot of humus, and the best is sandy soil with good aeration and drainage effect.
1. Heart picking: in order to make the shape of Dahlia more plump and symmetrical, it is necessary to carry out heart picking for many times. From the time when two or three leaves grow, it usually needs five to ten heart picking.
2. Grafting: grafting can be started after the temperature starts to rise in spring. Dahlia is usually grafted to Artemisia annua. It is better to start grafting when the Artemisia annua is eight centimeters long. When grafting, keep pulling the lateral branches to grow outward.
1. Grey mould: grey mould will harm the leaves, rhizomes and flower buds of Dahlia. If any leaf is found to be diseased, it shall be removed in time to prevent spreading, and Haiyin or sukeling powder shall be sprayed in time.
2. Virus disease: the main harm of virus disease is leaves. The diseased leaves are grayish green with irregular white stripes. The diseased plants will be transmitted to normal plants. It needs to be treated in time and sprayed with Pirimicarb resistant for control.
1. Toxic or not: dahlia is a kind of art chrysanthemum. Its main function is to watch. It is not toxic. However, dahlia has a high ornamental value, but not much edible value, so it is not recommended to eat.
2. Can you raise it at home? Dahlia can be raised at home. However, dahlia is a very complex art chrysanthemum. It has higher requirements from grafting to picking and binding. It has higher requirements for the flower breeder. If it is raised at home, it needs the flower breeder to spend more time.
