Why are the leaves of nasturtium turning yellow?

The reason why nasturtium leaves turn yellow: too much water

After nasturtium blooms, reduce watering to prevent excessive growth of branches. If you water too much and the drainage is poor, the roots will easily become wet and rot. In mild cases, the leaves will turn yellow and fall off, and in severe cases, the whole plant will wilt and die.

If the soil in the pot is waterlogged, the leaves will turn yellow. Nasturtium can be watered frequently, but the amount of water should be less each time to prevent the water from evaporating faster than your watering speed.

The reason why nasturtium leaves turn yellow: excessive fertilization

When fertilizing nasturtium, the concentration should not be too high and the fertilizer should not be too much, otherwise it will easily burn the roots. Once the root system is damaged, the leaves will naturally be damaged.

Natural fertilizer can be used as fertilizer for nasturtium, and chicken, duck and goose manure is best. No, you can dilute the special fertilizer for flowers when applying fertilizer.

The reason why nasturtium leaves turn yellow: too much light

The temperature and light in spring, autumn and winter are not a problem for nasturtiums, but the light in summer is too strong.

Nasturtium is a heat-averse herb. If the light is too strong or the temperature is too high, it will go dormant and its leaves will show signs of withering and yellowing.

Therefore, nasturtium should be properly shaded in summer.

Reasons for yellowing nasturtium leaves: pests and diseases

Common pests of nasturtium are red spider mites and leaf miners. If there are pests, they will damage the leaves and the leaves will show signs of yellowing.

Check the leaves carefully to see if there are spider silk or insect eggs, especially the back of the leaves. After the discovery. Destroy it immediately and cut off the diseased leaves and burn them.

Generally speaking, there are many reasons why nasturtium leaves turn yellow. Water, fertilizer, light, and insect pests may all be the reasons. Therefore, flower lovers should judge the reasons why their nasturtium leaves turn yellow based on their actual situation when reading the article.