Causes of Yellowing Leaves on Rose (Rosa chinensis) and How to Fix Them

Many plants often develop yellowing leaves during cultivation. In fact, the causes of yellowing leaves are generally related to the roots. Yellowing leaves on roses are a common occurrence. The causes of yellowing rose leaves include watering, fertilizing, disease, repotting, soil, and several other aspects. Let us take a look below at what to do when rose leaves turn yellow!

Overwatering

[Cause] The young leaves of the rose are dull yellow and lack luster, while the old leaves show no obvious change; the stems are thin and yellow-green, and the new shoots shrivel and stop growing. This indicates overwatering.

[Solution] Remove the plant from its pot and place it in a ventilated, shady spot to let the root ball dry out on its own, then put it back in the pot.

Underwatering

[Cause] The yellowing caused by lack of water differs from that caused by excess water. Yellowing from water shortage shows withered, dry leaf tips or edges, with old leaves turning yellow and dropping from the bottom up, while new leaves grow fairly normally.

[Solution] Just make sure to water thoroughly and adequately.

Direct Strong Sunlight

[Cause] Strong direct sunlight on some shade-loving plants easily causes the leaf tips and leaf edges to wither, with yellow patches appearing on the sun-facing parts of the leaves.

[Solution] Simply move it to a shady spot.

Lack of Light

[Cause] When roses are kept in a shaded environment for a long time, the leaves cannot get enough sunlight and cannot form chlorophyll, so the whole plant's leaves turn yellow and then drop.

[Solution] Simply supplement the light.

Overfertilizing

[Cause] Yellowing of the plant caused by too much fertilizer or too high a concentration shows as dry brown tips on new leaves; generally the leaf surface is thick and lacks luster, is uneven and not spread out, and old leaves turn scorched yellow and drop.

[Solution] Stop fertilizing immediately; in severe cases, flush out some of the fertilizer with a large amount of water.

Underfertilizing

[Cause] Insufficient fertilizing of roses causes the young leaves to become pale in color, turning yellow or light green, while the old leaves remain fairly normal or gradually turn from green to yellow.

[Solution] Check the potting soil; if it is dry and compacted, replace the soil. Usually apply light fertilizer frequently and water with some alum water at the appropriate time.

Virus Infection

[Cause] The roots, branches and leaves are attacked by a virus, causing the leaves to be unspread and accompanied by symptoms of yellowing and lack of vitality.

[Solution] Spray with virus control agents such as Bingduke and Kedulu for prevention and control. Also pay attention to care and management; healthy, vigorous plants generally will not be attacked.

Potting Soil Problems

[Cause] Compacted potting soil leads to poor soil aeration, making it hard for the plant roots to breathe, which in turn affects plant growth.

[Solution] Use a bamboo stick to poke a dozen holes in the pot to ensure the roots get air.

Poor Ventilation

[Cause] Roses prefer an environment with air circulation. In an environment with insufficient ventilation and stuffy, hot air, rose leaves can also turn yellow and develop yellow spots.

[Solution] Simply place the rose in an environment with good air circulation and ventilation for cultivation.