Of course, planting Calendula starts from the seeds, so it has a sense of achievement. When Calendula is mature, it is the turn of spring and summer. There is more rain, and the seeds collected are good and bad, so you should choose high-quality ones when selecting seeds. Before planting, the seeds can be soaked to eliminate the floating seeds.
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When sowing, to make Calendula robust growth, you can cover a layer of thick soil. The germination rate of Calendula officinalis is very high. When the seedlings grow to three leaves, they can be transplanted, and timely transplantation can promote the development of root system.
After transplanting the seedlings, when they grow to 6 leaves, they need to be coring to promote germination of lateral buds and flowering. If you like Calendula to open large flowers, you can not pick the heart, but with the growth of the plant, you need to constantly wipe off the side buds, so that the nutrients can be concentrated and the flower bud development can be promoted, so that Calendula can not only have luxuriant branches and leaves, but also produce large flowers.
During the growth period of Calendula officinalis, watering should not be too much. Just keep the soil moist. In case of high humidity, rainstorm or high temperature, it is easy to cause root rot and plant death.
During the growth period, we should pay attention to fertilization, apply a thin liquid fertilizer every 20 days, and apply two or three quick acting fertilizers mainly including P and K before and after flowering to help the growth of Calendula.
