In order to improve the germination rate of the seeds of the couple crabapple, the seeds can be soaked in clear water for one night before sowing, the seeds are wrapped with a wet towel after being fished out, the maintenance temperature is ensured to be above 15 deg C, and the seeds of the couple crabapple are sowed after being exposed to white.
Prepare loose and fertile nutritive soil, put the nutritive soil in a pot until it is 70% or 80% full, water the soil thoroughly, then sow the exposed seeds on the soil surface, cover with a thin layer of fine soil, the thickness of the covering soil should be such that the seeds can not be seen, gently compact the soil with your hands, and spray the soil surface with a small watering can.
After the couple's crabapple is sown, the potted plant needs to be placed in a bright place with scattered light. Observe that the soil surface is dry. Spray the soil wet with a watering can. After a period of time, the seeds of the couple's crabapple can germinate and come out of the ground. After the seedlings grow, the potted plant needs to be moved to a place with good light.
Maintain the curing temperature at 5-35 at ordinary times, gradually increase the light intensity with the growth of plants, weigh the weight of potting soil with hands at ordinary times, and water thoroughly when it feels obviously lighter.After the leaves of the couple's crabapple are unfolded, the flower is watered with balanced fertilizer water of nitrogen, phosphorus and potassium every half month, and after the branches and leaves of the plant grow vigorously, the phosphorus and potassium fertilizers are changed to promote the rapid flowering of the couple's crabapple.