Calendula likes light, bears drought, and doesn't like humidity. It is suitable for planting in sunny places with loose and fertile soil, but it is not suitable to fertilize too much after planting, otherwise the branches and leaves will be white and long, and the leaves will be luxuriant and the flowers will be poor. If you want to fertilize, you should also apply thin fertilizer and water during the growing season. If you find yourself too long, trim it in time. Pillars should be set up for high and medium dry tree species to prevent lodging due to wind disaster. Prune properly in summer and control the height to prevent the harm of red spider.
Marigold can be propagated by sowing and cutting. The sowing time is from late March to early April, and fertile loam is selected to prepare the soil for the border, and then sowing. Cover the soil after sowing. Hard soil is about 0. Cm thick, water early every day. The suitable temperature for marigold germination is 65438 0520. Generally, it can germinate after sowing 1 week, and it can be planted in the flower bed when there are seven leaves. Picking the heart can promote flourishing leaves and flowers. Cutting propagation can be carried out in May and June, and shading should be done after cutting to make cherry trees moist. It can take root in about 2 weeks.