Evergreen is afraid of cold. The temperature should not be too low. It should be noted that at the beginning of spring, the temperature should not be lower than 10 degrees, or there will be the possibility of frost damage. Specifically, 10 to 32 degrees can be suitable for its growth, as long as the temperature is not too low
In spring, we need to replenish water properly. Generally speaking, the plant itself likes humidity but is not drought resistant, so the water supply should be timely. But it should not be too wet, because it has fleshy roots, which can easily lead to root rot. If the weather is relatively dry, the air humidity should be properly controlled.
You can apply fertilizer in spring, but you need to wait until the temperature is above 18 degrees. When the temperature is low, it is not suitable to apply fertilizer. When the temperature is high, it is not suitable to apply fertilizer.
The growth rate of Rohdea japonica in spring is still very fast, so some branches may grow very disorderly, and redundant branches can be cut off in time. If there are insects or sick branches, they should also be pruned in time.
In spring, it is easy to cause scale insects. At this time, prevention is the main way. If found, to timely medication, once a week marathon emulsion, with two or three times on the line.