How to Save an Overwatered Cactus
Cacti are desert plants that thrive in dry environments. However, when kept indoors in pots, they can easily suffer from overwatering. If you notice signs of overwatering, such as drooping, mushiness, or changes in color, it’s important to take action to save your plant.
Let the Soil Dry Out
The first step is to stop watering your cactus immediately. Overwatering can lead to root rot, which can be fatal to the plant. Stick your finger into the soil to check for moisture. If the top two inches of soil are still damp, do not water the cactus. Allow the soil to dry out completely before watering again.
Repot the Cactus
If the overwatering was severe, you may need to repot the cactus in new soil. This will help to remove any excess moisture and prevent further root rot. Choose a pot with drainage holes to ensure that the water can drain away from the roots. Use a cactus potting mix that is designed to drain well.
Remove the Rot
As you repot the cactus, inspect the roots for signs of rot. Healthy roots are light in color and have a firm texture. Cut off any soft, mushy, or black roots. These are indicators of root rot. You should also cut away any parts of the plant itself that have been affected by rot. Do not repot the cactus with any rotted areas still attached, as the rot will continue to spread and damage the plant. Allow the cut-away areas to dry out before repotting the cactus.
Keep the Cactus in the Sun
Cacti are full sun plants, meaning they need direct sunlight for at least six hours each day. Placing your cactus in a sunny spot will help to dry out the soil and prevent overwatering. Position your cactus in a south-facing window, or move it with the sun throughout the day to ensure that it receives enough light.
Water With Care
Once you have saved your overwatered cactus, it’s important to prevent the problem from happening again. Cactus plants only need to be watered every 10-14 days, depending on the environment. If you live in a humid environment, you may only need to water your cactus once a month. If your environment is hot and dry, you may need to water more frequently. Seasonality also has an impact. Cacti need more water in the summer but much less in the winter.
Before watering your cactus, always check the soil moisture. If the top two inches of soil are still damp, do not water the cactus. Overwatering is the most common cause of problems with cacti, so it’s important to be cautious.
Signs of an Overwatered Cactus
- Drooping
- Mushy to the touch
- Browning or yellowing
- Wilting
- Browning or blackening at the base of the plant
Can a Cactus Recover from Overwatering?
Yes, a cactus can recover from overwatering if you take the proper steps. It’s important to remove any traces of rot and test the soil for moisture before adding any more water to the plant. You may also need to repot the cactus entirely.
How to Save a Soggy Cactus
A soggy cactus is a sign that the plant is receiving too much water. If you take steps to reduce your watering habits, repot the plant in dry soil with proper drainage, and address any rot that has set in, you should be able to save your cactus.
Additional Tips
- Use a moisture meter to check the soil moisture before watering your cactus.
- Water your cactus deeply, but infrequently. Allow the soil to dry out completely before watering again.
- Choose a pot with drainage holes to prevent waterlogging.
- Avoid using tap water to water your cactus, as it can contain chemicals that can damage the plant. Instead, use rainwater or distilled water.