Picture: Gardenia Bonsai
Gardenia is an evergreen plant. If you find that the leaves are dry, you should pay attention. So, do you know why the leaves of Gardenia are dry? How to solve the problem of dry gardenia leaves? The gardener uncle will analyze with you the reasons and solutions to the dryness of gardenia leaves:
1. Withering and death: As an evergreen plant, there are not many gardenias under normal circumstances. For dead leaves, if all the leaves dry up and fall off, and the branches become brittle, it means it is dead and cannot be saved.
2. Watering too much: At this time, reduce watering. Place the gardenia potted plant in a sunny place, cut off the dry leaves, and new ones will grow after a while. Leaves. Therefore, the key is to control the amount of watering at ordinary times, and water again when it is dry.
Picture: Gardenia leaves are dry and on the verge of death
3. Lack of fertilizer: Nitrogen deficiency will cause the leaves to turn yellow, and the new leaves will be small and brittle; potassium deficiency will cause the old leaves to turn from green to brown; Phosphorus-deficient old leaves turn purple or dark red. For the above situations, decomposed human excrement or cake fertilizer can be applied lightly.
Yellowosis caused by iron deficiency: This kind of yellowing disease appears on new leaves. At first, the leaves are light yellow or white, and the veins are still green. In severe cases, the veins also turn yellow or white. Eventually the leaves will dry up and die. In this case, 0.2%-0.5% ferrous sulfate aqueous solution can be sprayed for prevention and control.
Yellow disease caused by magnesium deficiency: This yellow disease starts from old leaves and gradually develops into new leaves. The veins of the leaves are still green. In severe cases, the leaves fall off and die. In this case, 0.7-0.8 boron magnesium fertilizer can be sprayed for control.
Picture: Gardenia leaves turn yellow and fall
4. Exposure to the sun in summer: Exposure to the sun can also cause gardenia leaves to dry up. If it is a potted plant, pay attention to prevent it from being exposed to sunlight. It can be moved Go to a relatively shady place with sunlight in the morning and evening.
Tips Gardenias are prone to scale insect damage and sooty disease when indoor ventilation is poor and temperature and humidity are too high in winter. For scale insects, you can use bamboo sticks to scrape them off, or you can spray them with No. 20 petroleum emulsion and 200 times water. For sooty disease, you can scrub it with clean water or spray it with carbendazim 1000 times.
To grow flowers, go to the gardener forum: bbs.huajiang.cc. Sing and laugh all the way. The road to growing flowers is so lively!