How to grow Spiraea cantoniensis

In the process of cultivation garden Spiraea cantoniensis, it is best to control the temperature at about 15 ~ 24℃, spray water to cool down in the high temperature in summer, apply phosphate and potash fertilizer at flowering stage for 2 ~ 3 times, apply overwintering fertilizer at the end of winter, water to maintain the principle of both dry and wet, keep the substrate moist, and reasonable pruning.

Spiraea cantoniensis picture

The cultivation method of garden Spiraea cantoniensis

1. Environmental management

Spiraea cantoniensis is not resistant to cold or high temperature, and prefers a warm and bright growing environment. In winter, it can bear the minimum temperature of -5℃. If the temperature is too low, a temperature preservation shed should be built.

2. Apply fertilizer rationally

In the early stage of planting garden Spiraea cantoniensis, sufficient base fertilizer should be applied, and rotten manure is the best choice. At the flowering stage, phosphate and potash fertilizer should be applied for 2 to 3 times. At the end of winter, overwintering fertilizer can be applied once, and stale barnyard manure can be used only. After that, fertilization can be stopped, and an appropriate amount of water should be poured in after each fertilization.

3, suitable watering

Water environment is the important condition for breeding courtyard Spiraea cantoniensis. It is best to use a watering can when applying watering activities. Because the plant itself is very large, and the volume is too small, and too fine kettle is not easy to grasp the amount of water. Generally in the growing period, water 4 ~ 5 times a week. When the soil dry, then watering.

4. Pruning

The most suitable pruning time for garden spiraea cantoniensis is spring when new branches are about to sprout. At this time, the old branches, diseased branches and fork branches can be cut off, and the remaining branches are pruned after pruning to promote the germination of new branches on the one hand, and reduce the consumption of nutrients in spirea cantoniensis on the other hand.