How is the leaves of Rosa davurica turning yellow?

The reasons why the leaves of Rosa davurica turn yellow are insufficient light, excessive watering and abuse of chemical fertilizer.

First, there is not enough light.

In the process of maintenance, putting roses in the shade for a long time will easily lead to insufficient light and photosynthesis, which will lead to yellowing of leaves. Transplant roses to a sunny place, but it needs to be shaded in time during the lighting process.

Second, water too much.

If you water too much, it will easily cause water accumulation in the roots of roses, leading to lack of oxygen or even rot in the roots, which can not provide nutrients for the leaves and the leaves will naturally turn yellow. It is necessary to change the method of watering roses, and the watering frequency is not necessary to be too high. Water roses after the soil is completely dry.

Third, the abuse of chemical fertilizers.

If nitrogen fertilizer is used blindly, the branches and leaves of roses will grow white, but they will lack other nutrients, and then the leaves will turn yellow. Use fertilizer reasonably to avoid too single fertilizer. When applying fertilizer, NPK compound fertilizer can be directly used to make plants absorb balanced nutrients.

Matters needing attention in planting Rosa davurica

Wild rose likes sunshine and is cold-resistant. Planting in deep, loose, fertile and moist soil with smooth drainage will grow better. When planting new plants, decomposed organic fertilizer should be applied. In the first year or two after frost planting, base fertilizer can be applied once a year in late autumn to facilitate growth and flowering.

Rosa davurica is a flower that likes light, sunshine, semi-shade tolerance, cold tolerance and strong adaptability. Except in winter, it is suitable for planting in southern China. In the growing period of Rosa davurica, it is necessary to ensure sufficient sunshine, so as to flourish and blossom more.