What to do about yellow leaves on gardenia? A few simple tricks to teach you how to easily grow gardenias well

Xiao Qi

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What causes gardenia leaves to turn yellow? If the flowers of a gardenia turn yellow after blooming, this is because the blooming period of that individual flower is coming to an end. The blooming period of a single gardenia flower is three to five days. When nutrients are insufficient, it may bloom for only one day before turning yellow and dropping, which is normal. Its leaves may also turn yellow in the following situations. Xiao Qi will briefly explain them, so that if you encounter them you can effectively prevent and treat them.

1. Yellow leaves from nutrient deficiency

One situation is that the gardenia turns yellow from nutrient deficiency, that is, leaf yellowing caused by a lack of multiple elements. The main sign is that the old leaves begin to turn yellow and gradually drop, spreading upward until all the leaves of the whole plant drop. If you discover it in time and supplement fertilizer, it can be effectively alleviated.

2. Yellow leaves from iron deficiency

Because the gardenia is a flower from the south, its soil must contain a certain amount of acidic substances. When acidic substances are lacking, it easily causes yellow leaves. Iron-deficiency yellowing is what we call gardenia chlorosis. This kind of yellowing starts with old leaves turning yellow and gradually spreads to new leaves. In the early stage, the leaf veins are green while the whole leaf turns yellow. In the end, the whole leaf turns yellow, and the leaf veins also turn yellow or even white. Finally the leaves dry up, spreading throughout the whole plant.

If discovered early in the early stage, promptly supplement ferrous sulfate. Spray a little ferrous sulfate every month; spraying or root drenching are both fine. This can effectively alleviate it. For severe yellowing in the later stage, at this point you can only prune the branches, then repot it with fresh soil, and let it slowly recover by sending out new shoots. Only then can it be completely cured.

3. Yellow leaves from lack of water

There is also the case that if the potting soil lacks water for a long time, its leaves wilt. After this happens many times, the lower leaves will turn yellow. This is caused by lack of water. Insufficient light also easily causes yellow leaves. In the early stage the leaves are dull and lusterless, and later they gradually turn yellow, or even the whole leaf drops.

Overall, gardenia yellow leaves come from only these few situations. If you encounter them, knowing in advance allows you to effectively prevent and treat them.

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