Selecting seeds and preparing the ground, the southern region can choose to sow large-leafed Chrysanthemum coronarium, the northern region can sow small-leafed Chrysanthemum coronarium, before sowing the need to turn the plot; sowing method, can be in the spring of each year in March to April or fall August to September, the seeds evenly sown into the soil; warm environment, after sowing in the early spring, you need to build a layer of sunshade netting above the seedling plants; timely inter-seedling, when the seedling grows to 20 centimeters, it is necessary to carry out timely inter-seedling.

1, choose the seed of the whole land

Planting Chrysanthemum coronarium, according to the region to choose the species sown. Chrysanthemum coronarium mainly has big leaf coronarium and small leaf coronarium. In the southern region is mainly to sow large-leaved Chrysanthemum mainly, the north is recommended to sow small-leaved Chrysanthemum. Before sowing, you need to choose the terrain level and easy drainage and irrigation of the sunny land, before sowing, you need to mix a sufficient amount of organic fertilizer into the soil, and turn to make a flat bed.

2, sowing method

Coronation can generally take strip sowing or sowing method for sowing, sowing can be selected in the spring of each year in March to April, fall August to September or winter November to December. The seeds can be evenly sown into the soil and covered with a layer of 1 cm thick thin soil, after which it is necessary to spray water appropriately to moisturize, in addition, each acre of land needs to be sown 2 to 2.5 kg of seeds.

3, warm environment

In the growth of Chrysanthemum coronarium seedlings, the need to control the room temperature between 17 to 20 ℃, if sown in early spring, prone to spring cold conditions, need to be covered with a layer of cling film above the seedlings, and then build a small arch, surrounded by soil compaction, to be warmer and then open the window ventilation.

4, inter-seedling fertilization

When the seedlings of Chrysanthemum coronarium grow to 10 cm, according to the 20 cm spacing for transplanting seedlings, while the need to pull weeds in the field, in each harvest 10 ~ 15 days before the need for the application of a fast-acting nitrogen fertilizers, in general, each acre of land can be applied to the 15 kg of potassium sulfate, as well as 8 kg of urea, and to ensure that the soil is in a slightly moist state.