Why do gardenias have yellow leaves?
This article answers the question of why gardenias have yellow leaves and explores the causes and solutions related to the yellowing of gardenia leaves. Let's follow the editor to see the specific content!
Gardenias are a favorite among flower enthusiasts due to their strong fragrance and large blooms, sometimes even larger than a fist, which can装饰 a house beautifully. However, yellowing leaves often appear during maintenance. Today, let's take a look at why gardenias turn yellow and what to do when yellowing occurs.
Leaf veins still green but leaf flesh yellowish and white? It's iron deficiency!
If the newly grown leaves have green veins but the leaf flesh starts to turn yellow and white, and in severe cases, the entire plant's leaves turn yellowish and white, it is basically due to iron deficiency in the plant.
Solutions:
Use ferrous sulfate. For the yellowing sick plants, spray the leaves with 0.1% to 0.2% ferrous sulfate solution, or place ferrous sulfate directly on the surface of the potting soil, allowing it to be absorbed gradually when watering. For a 20cm pot, 1g is enough for the first time, and it should be used approximately every 20 days.
Leaf edges starting to dry out? Not enough watering!
If you find that the edges of your gardenia leaves are drying out, with older leaves turning yellow from top to bottom and starting to fall off, this indicates that the gardenia has not been watered for a long time, leading to drought and yellowing due to water deficiency.
Solutions:
You can fill a tray with water and choose a pot with holes at the bottom so that water can be absorbed into the soil through the bottom holes. Also, spray water on the leaves every 3 days.
Leaf color dull and lackluster? Too much watering!
If during the plant's growing period, the leaves turn yellow-green, the young leaves look dull, and there is a soaking type of yellowing, this condition is usually due to excessive watering, leading to waterlogging yellowing.
Solutions:
Gardenias are afraid of waterlogging. If after watering, there is still water in the saucer under the pot, pour it out and then remove the plant with the soil and place it in a cool and well-ventilated area. Wait until the soil dries before putting it back into the pot with the plant. At this time, you can water moderately but not too much.