The Reasons for Cactus Turning Yellow
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1. Insufficient lighting: The cactus is kept in a dark place for a long time, and the body cannot perform photosynthesis. 2. Overwatering: Watering the cactus too much causes waterlogging in the soil and root rot. 3. Pest infestation: The cactus is eaten by pests such as red spiders, aphids, and scale insects. 4. The cactus is exposed to the low temperature outdoors for a long time in winter.
The Reasons for Cactus Turning Yellow
1. -- Insufficient Lighting --
Cacti are light-loving plants, and their native habitat is the desert, which requires a lot of light. If they are kept in a dark place for a long time during maintenance, the body cannot perform photosynthesis, which can cause the cactus to turn yellow slowly.
2. -- Overwatering --
Cacti have strong drought resistance and require less water during growth. If watered too much, leading to waterlogging in the soil, it can cause root rot. The plant's ability to absorb water and fertilizer is weakened, and the body will turn yellow later.
3. -- Pest Infestation --
During the growing period, cacti are attacked by pests such as red spiders, aphids, scale insects, and root-knot nematodes. They eat the roots and body of the plant, causing the cactus to gradually weaken. As the pest infestation worsens, if not treated in time, it will turn yellow.
4. -- Low Temperature --
Cacti are not cold-resistant. If the plant is placed in a low-temperature environment outdoors for a long time in winter, it can cause the body to turn yellow due to frostbite. At this time, you should immediately move the cactus to a warm indoor place or cover it with a transparent plastic bag.
This article shares a comprehensive explanation of the reasons for cacti turning yellow. I hope it can help you.