Fast knife likes sunny, warm and dry environment, avoid sultry and humid, and sleep in high temperature in summer. In summer, when the temperature is high, proper sunshade shall be paid attention to to to avoid exposure to the sun.
The suitable temperature for the growth of scab is 15-25 ℃ and not less than 10 ℃ in winter.
The pot soil planted with quick knife and hemp should be sandy soil with medium fertility, good drainage and air permeability, and appropriate amount of lime is the best.
In the breeding season, the sharp knife is disorderly. It is not suitable to water it immediately after cutting. It can be dried for 1-2 days. After watering should not be more, to keep the pot soil a little wet can be.
High temperature is common in summer in China. At this time, sharp knife is in dormancy period. It is necessary to control watering, strengthen ventilation and prevent the plant from rotting.
Water properly in winter to maintain the growth of scab, but keep the pot soil in a semi dry state.
It needs enough sunshine to make it more compact and beautiful. If there is too little sunshine, the leaves will be green, loose and elongated.
Pay attention to the sun in summer, and keep in the sunshine room in winter. In spring and autumn, the whole day can be illuminated.
Sowing, cutting, cutting, cross pollination.
The resistance of cuttings is stronger than that of old plants, so it is better to propagate and renew the plants continuously, which is beautiful and long-term.
Spring, early summer and autumn are the growth period of scab. It can be applied once every half a month, and slow-release fertilizer is selected. In summer, if it's hot and humid, it's better not to apply fertilizer.
The high temperature in summer is the period of fast knife's disorderly dormancy. We must pay attention to proper sunshade to prevent exposure to the sun, and strengthen ventilation to prevent the plant from rotting due to the sultry heat and humidity. In summer, we should control watering and do not apply fertilizer.
The early summer and autumn of spring are the growing period of scab. We should keep the basin soil moist, but not water. It can be applied once every half a month, and the slow-release liquid fertilizer is the best.
Fast knife is not cold resistant, pay attention to cold prevention in winter, at least keep the lowest temperature of 5 degrees. There is the best culture environment in the sunshine room. Under the condition of sufficient illumination, the sharp knife can keep growing.