Reasons for Yellowing Leaves on Gardenia and How to Prevent and Treat Them
Gardenia is a fairly common flower, and quite a few flower growers cultivate it. Since it is mainly sold as an ornamental plant, its appearance needs to be taken seriously, so in a sense the problem of gardenia leaves turning yellow has a big impact on flower growers. Let's take a look together below.
1. Water
The amount of water has a big effect on gardenia leaves, because yellow leaves caused by water will show differently depending on how much water there is. When there is too much water, the leaves appear a watery yellow with a darker color, while those caused by lack of water are dry yellow with a lighter color, looking very thin and frail. In this case, just control the watering well. It is recommended that flower growers manage gardenias in this condition separately until they recover, and then send them back to the flower shed.
2. Light
Many flower growers now build cultivation sheds with relatively good light transmittance for better lighting, but they do not do enough in terms of shading. Gardenia is not suited to long periods of direct sunlight exposure; generally, the effect of indirect sunlight is best. If you find that the leaves tend to turn yellow after being exposed for a period of time, or turn yellow after long-term exposure for a certain time, then it is best to first move them to a place out of direct sunlight and observe for a while. Then add shading equipment to the cultivation shed to prevent them from withering.
⟦NL>3. Fertilizer
Fertilizer is also one of the reasons that cause gardenia leaves to turn yellow, because gardenia's demand for fertilizer is not so obvious, so flower growers may use improper amounts when fertilizing. Too much fertilizer will cause seedling burn, while too little fertilizer will show as the plant withering. In this case, the cultivation soil needs to be replaced; if it is a lack of fertilizer, then it is not necessary, because when fertilizer accumulates, it is very difficult for gardenia to absorb all the excess residual fertilizer.
Gardenia is a relatively fragile plant, so daily management requires flower growers to be careful, and for situations that have occurred once, everyone should best take precautions to avoid a second occurrence. In general, yellowing leaves do not have a big impact on the plant, and timely adjustments are enough, but if it is caused by disease, flower growers should pay attention.