Do you have yellow mushrooms in your potted houseplant? These mushrooms pop up as a result of contaminated potting soil or mulch. The mushroom spores infect the soil, weakening your plant. So if you don’t want a house full of yellow mushrooms, you can try one of the following to get rid of them.
1. Remove the plant from the house
Either put it outside or get rid of the plant entirely. No doubt the simplest solution.
2. Remove the mushrooms
Pickoff all visible mushrooms from their base and replace the top few inches of potting soil. This may or may not work, depending on how deeply the fungus has grown into the soil.
3. Replace the soil entirely
As a last resort, you can try replacing the potting soil entirely. Remove the plant and try to get as much dirt as possible off its roots. Know that by doing this you may stress the plant, and the mushrooms could very well come back anyway.
4. Make sure your plant has better drainage
A hole at the bottom of the container is critical. It allows water in the soil to drain freely so adequate air is available for the roots. While various kinds of plants have differing drainage needs, few can tolerate sitting in stagnate water. Healthy roots mean healthier plants. So be sure there are holes for drainage.
5. Finally, do your best to not overwater!
An over-watered plant may appear healthy at first, but soon otherwise healthy leaves begin to drop off and the roots and lower stems become mushy. Foliage may also yellow or develop mildew and mold. The plants aren’t drowning in the wet soil but suffocating. Roots can’t pull the oxygen they need from over-soaked potting soil and fungal organisms attack the weakened plant tissues. Prompt action can sometimes save a plant before root rot claims its life.