When will African chrysanthemum sow

African chrysanthemum has a beautiful charm, rich and colorful designs, and has the function of removing formaldehyde and benzene pollution caused by decoration. It is a green weapon against formaldehyde and benzene. So, do you know when such a beautiful gerbera will be sown?

When will African chrysanthemum be sown?

Gerbera is sown in spring from March to May and in autumn from September to October. Choose full-grained seeds, soak them in warm water for 24 hours, fish them out and plant them in nutritious soil. The suitable temperature for germination is 18-22 ℃ and can germinate 7-10 days after sowing.

What are the cultivation techniques of African chrysanthemum?

1. Sowing and raising seedlings

Choose full-grained seeds, soak them in warm water for 24 hours, fish them out and plant them in nutritious soil. The suitable temperature for germination is 18-22 ℃ and can germinate 7-10 days after sowing.

two。 Colonization

From the point of view of production and sales, the most suitable planting period is from late March to mid-April in spring, flowers can be picked in autumn and full bloom in winter. Staggered colonization, row spacing of 40cm × 50cm, colonization of 6-8 plants per plant. Too high density is easy to infect diseases and insect pests, reduce the number of buds; too low density affects economic yield. Because the root system of African chrysanthemum has the characteristic of shrinking the old root, and the leaves are basal from the stem, the planting should be based on the principle of shallow planting, and the root neck should be slightly exposed to the soil surface. If the planting is too deep, the plant shrinks and sinks with the old root, and the growing point is buried in the soil. The bud is not easy to grow out of the ground and affect flowering.

3. Temperature management

The most suitable growth temperature of African chrysanthemum is 20-25 ℃, lower than 5 ℃, higher than 30 ℃, and the growth is slow. African chrysanthemum is very sensitive to temperature difference. It is better to keep the temperature difference between day and night at 2-3 ℃. If the temperature difference is too large, it will cause deformed flowers. It is recommended to shade in strong light to avoid excessive temperature, and spray water during the high temperature at noon.

4. Light management

African chrysanthemum likes sunny environment, sufficient light, strong plant growth and bright colors. The sunshine hours per day is not less than 12 hours, and the artificial light supply is 3.5-4klx in the low light period. The light time and intensity directly affect the yield of Gerbera jamesonii. The longer the light time is, the higher the flower yield is.

5. Fertilizer and water management

African chrysanthemum blossoms all the year round in protected cultivation, which consumes a lot of nutrients, so it is necessary to fertilize it continuously during the whole growth period. Drip irrigation equipment should be used to prepare nutrient solution for drip irrigation. Fertilization is mainly nitrogen fertilizer, appropriate application of phosphorus and potassium fertilizer and calcium, iron and magnesium fertilizer, special attention should be paid to the supplement of potassium fertilizer before flowering stage, so as to make the stem thick and flower strong and increase flower yield. The air relative humidity had better not exceed 70%. In order to make the plant roots grow well, irrigation should be carried out when the roots are slightly dry after pouring planting water, and topdressing should be used at the same time. Watering is based on the principle of "dry and thoroughly watered". Flowering irrigation should be careful not to make the center of the leaves stained with water to prevent the flower buds from rotting.

6. Thinning leaves and buds

African chrysanthemum is the annual production, so it is necessary to thinning leaves and buds in time. Too many or too few leaves will reduce the number of flowers, so it is necessary to peel leaves properly, remove the withered and yellow leaves in the lower part of the basal leaf cluster in time, and then peel leaves evenly in each branch, leaving 3-4 functional leaves in each branch. The buds formed in the early stage of seedling growth should be removed to promote vegetative growth, and during flowering, too many buds should also be removed to ensure the crystal quality of cut flowers. At the same time, the number of flower branches should be determined by considering market and seasonal factors.

African chrysanthemum is not difficult to grow, it can also be potted, and several plants can be cultivated at home, which can not only beautify the environment, but also keep the indoor air fresh.