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What to do about root rot in Rieger begonia? Here's the correct way to handle it

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First, it could be lack of water or too much water, so you need to water it in time or replace the potting soil; second, it could be improper fertilizing, so you need to reduce the amount of fertilizer or replace the soil; it could also be caused by temperatures that are too high or too low, so you can cool it down or keep it warm; finally, it could be caused by poor ventilation, so you need to open the windows regularly to let air in.

1. Improper watering

Cause: When caring for it, watering is the most important step. If you water too much, water easily collects in the pot, which causes the roots to lack oxygen, affecting respiration, and over time the roots naturally begin to rot. But you also cannot go without watering for long periods, as this prevents the roots from getting enough water, which also leads to root rot.

Solution: When you notice root rot, promptly cut off the rotted roots. If it was caused by overwatering, you need to replace part of the soil and reduce the amount of watering; especially in summer, wait until the leaves begin to wilt and the potting soil is dry before watering. In winter, also water less to prevent cold damage. If it was caused by underwatering, you need to increase the amount of watering and water thoroughly in one go.

2. Improper fertilizing

Cause: When fertilizing Rieger begonia, if the concentration is too high or the amount is too large, it causes fertilizer burn, which scorches the roots, and at that point the roots begin to rot.

Solution: First cut off the rotted roots and replace the potting soil. Then, when fertilizing again, dilute the fertilizer first to prevent scorching the roots. In addition, the frequency of fertilizing should be appropriately reduced; usually fertilizing should stop in both summer and winter, and in spring and autumn you can apply a little more.

3. Improper temperature

Cause: Rieger begonia is very sensitive to cold. If the temperature indoors or outdoors is too low, it causes cold damage, especially in winter, and this first harms the roots, after which the roots begin to rot.

Solution: Suitable temperatures need to be maintained throughout the year, especially in winter. Promptly move it indoors and keep the indoor temperature at around 4°C, which will prevent cold damage and keep the roots from rotting.

4. Improper ventilation

Cause: It likes well-ventilated places. If it stays in a stuffy state for a long time, root rot easily occurs.

Solution: You need to open the windows promptly for ventilation, which prevents the root rot caused by stuffiness and heat.

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