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What about gardenia yellow leaves?
1, gardenia yellow leaves caused by excessive watering.

The leaves of Gardenia jasminoides Ellis turn yellow caused by excessive watering, which shows that the young leaves are dark yellow and dull, the old leaves have no obvious change, the branches are small and yellow-green, and the new shoots do not shrink long, indicating excessive watering.

Solution: Take the flowers out of the pot, put them in a cool and ventilated place, and put them back into the pot after the clods dry themselves.

Due to the drought, the leaves of gardenia turned yellow.

Yellow leaves without water are different from yellow leaves without water. Water-deficient yellow leaves wither or dry at the tip or edge of leaves, old leaves turn yellow and fall off from bottom to top, but new leaves grow normally.

Solution: Pay attention to watering adequately and thoroughly when watering.

The leaves of gardenia turn yellow due to the direct irradiation of strong light.

Strong direct sunlight easily leads to the withering of flower tips and leaf edges, and yellow spots appear in the sunrise part of leaves.

Solution: Just move to the shade.

Gardenia leaves turn yellow due to lack of light.

If it is kept in the shade for a long time, the leaves can't get enough sunlight to form chlorophyll, and the whole leaves turn yellow and then fall off.

Solution: Supplementing light can avoid this disease.

5. Gardenia leaves turn yellow due to excessive fertilization.

The yellowing of flowers caused by excessive fertilization or high concentration is characterized by dry brown top of new leaves, generally thick, dull, uneven, brown old leaves and falling off.

Solution: Stop fertilization immediately, and some fertilizers should be carefully washed with plenty of water.

6. Gardenia flowers turn yellow due to lack of fertilizer.

The yellowing of leaves of Gardenia jasminoides Ellis caused by lack of fertilizer shows that the color of tender leaves turns pale, yellow or light green, and the old leaves turn normal or gradually yellow from green.

Solution: check the soil in the basin, change the soil when it is dry, apply thin fertilizer frequently at ordinary times and pour some alum water in time.