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China aster care-growing Callistephus chinensis

Written by Maggie

Feb 26 2021

China aster care-growing Callistephus chinensis

When we grow and care for China aster, first of all, we must understand the growth requirements of China aster, such as the demand for environment, temperature, light and watering of China aster. The following are growing China aster care.

1. Environmental care for growing China aster

China aster likes wet conditions, but are afraid of dry conditions. When we grow and care for China aster, the suitable temperature for the growth of China aster is 15~25℃.

2. Soil care for growing China aster

China aster is not strict with the soil, the soil is usually rich in humus, well drained soil.

3. Lighting care for growing China aster

China Aster likes plenty of light and is sensitive to sunlight. When we grow and care for China aster, generally, under 15 hours of long sunshine a day, keeping China Aster plants short can make China Aster flowers early. China Aster plants tend to grow taller and Flower later if the sun stays short.

4. Watering requirements

China aster needs plenty of water to keep the soil moist during its growth. However, it is important to keep a good amount of water when watering. If the soil is too wet, it is prone to disease.

5. Temperature care for growing China aster

China aster is not hardy. When we grow and care for China aster, it is usually grown in the north and needs to be moved back indoors for maintenance in winter. It has also been said that the optimum temperature for the growth of China aster is 15~25℃.

The indoor temperature in winter should not be lower than 3℃. If the temperature is below 0℃, the stems and leaves of China aster are prone to frostbite. On the contrary, if the summer temperature exceeds 30℃, flowering is delayed or poor.

China aster care

6. Growing China aster for pest control

The common diseases of China aster include rust, blight and root rot, which can be controlled by spraying 401 acetic acid solution 1000 times of 10% antibacterial agent.

The common pests of China aster are red spider and aphid, which are sprayed with 1500 times 40% dimethoate emulsion.

7. China aster care for growing in spring

In spring, potted China Asters are ideal for east, west and south facing balconies.

China aster can be planted in spring, and the temperature should be stable above 15℃. Because the temperature is suitable, the plants will grow rapidly.

When we grow and care for China aster, proper topdressing should be applied after survival to promote the growth of seedlings and help the summer pass safely.

China Aster, which is not newly planted or transplanted, can be moved to the balcony hanging shelf for cultivation when the outdoor temperature is stable above 10℃. When the temperature rises, liquid fertilizer can be applied once or twice to keep the soil moist and get sufficient sunlight.

8. China aster care for growing in summer

In summer, potted China Asters can be placed on east and north facing balconies.

Due to the high temperature in summer, the growth trend of China aster gradually slowed down. The environment is relatively dry and the water demand is large. The potted plants placed in the place where direct sunlight is not available can absorb the scattered light.

When we grow and care for China aster, pay attention to the supply of ventilated cooling and moisture, stop fertilizing when the temperature is too high, wait until the temperature drops gradually, you can transfer to the balcony of direct sunlight to cultivate.

9. China aster care for growing in autumn

In autumn, potted China Asters are suitable for placing on east, west and south facing balconies.

When we grow and care for China aster, when the temperature drops to about 5℃, we should pay attention to preventing cold, ensuring adequate light and strengthening water and fertilizer management. If properly managed, it will bloom again in the autumn.

China Aster likes fertilizer, but not too much, or it will easily make it high, and the plant shape is scattered, affecting the appearance. When we grow and care for China aster in late autumn, the old plants stop flowering and can be discarded because the plants are old.

10. China aster care for growing in winter

In winter, potted China Asters can be placed on east and south facing balconies.

China aster is not cold resistant. When we grow and care for China aster, it is best to transfer China aster to indoor farming, the minimum temperature on the balcony should be above 3℃.

Keep the soil moist and well-lit, and stop fertilizing at this point.

China aster can grow normally, but slowly, in winter if the indoor temperature is kept above 10 ° China aster propagation methods

China aster is propagated by seed, and it is easy to emerge from drill sowing. Germinate in 4 days under the condition of 14-16 degrees, and emerge in about 10 days. Generally more spring sowing, but also summer sowing and autumn sowing, sowing after 2-3 months will be able to flower .Flowering time can be controlled by sowing in batches according to need. 

China aster care