1. Yellowing of gardenia leaves caused by overwatering

Yellowing of gardenia leaves caused by overwatering is characterized by dark yellow and dull young leaves. The old leaves have no obvious change in luster, the branches are small and yellow-green, and the new shoots shrink and do not grow, indicating excessive watering.

Solution: Remove the flowers from their pots and place them in a ventilated, cool place where the soil will dry and then put them back into the pots.

2. Yellowing of gardenia leaves caused by drought

The yellowing of leaves due to lack of water is different from the yellowing of leaves with more water. The yellowing of leaves due to lack of water is withered leaf tips or edges. , hairy and dry, the old leaves turn yellow and fall off from bottom to top, but the new leaves grow relatively normally.

Solution: Pay attention to watering enough and thoroughly.

3. Gardenia leaves turn yellow due to direct sunlight

Strong direct sunlight can easily cause leaf tips and leaf edges to wither, and yellow spots to appear on the sunny parts of the leaves.

Solution: Just move it to a shaded place.

4. Gardenia leaves turn yellow due to lack of light

If left in a shaded environment for a long time, the leaves will not get enough sunlight and cannot form chlorophyll, and the entire leaves will turn yellow and then fall off.

Solution: Supplementary lighting can avoid this disease.

5. Yellowing of gardenia leaves caused by excessive fertilization

Yellowing of flowers caused by excessive fertilization or excessive concentration of fertilization is manifested in the appearance of dry brown at the tips of new leaves. Generally, the leaves are thick and dull, and the old leaves are brown and fall off.

Solution: Stop fertilizing immediately and rinse part of the fertilizer with plenty of water.

6. The yellowing of gardenia leaves caused by lack of fertilizer

The yellowing of gardenia leaves caused by lack of fertilizer is manifested in the color of the young leaves becoming lighter, yellow or light. Green, while older leaves are more normal or gradually turn from green to yellow.

Solution: Check the pot soil. If it is dry, replace the soil. Apply thin fertilizer frequently and pour some alum water in time.