The Q&A Archives: How big will the yellow Mushrooms grow in the lily house plant

Question: My house plant is a lily. How would mushrooms get into the plant? The only dirt I have used is Miracle-Gro Moisture Control potting soil. This plant grows in the house not outside in the yard.

How big will the mushrooms get. What effect will they have on my plant. This lily is supposed to get while lily's flowers on them. However I have I not seen any white flowers gowing on them yet. It's just all a sudden these yellow what looks like mushrooms started to grow in the pot with my lily. Is this normal. I have the same dirt in other pots and I have not seen the yellow mushrooms growing in any of them. Thanks for your answer.

Answer: The mushrooms are growing from the organic matter in your potting soil. Potting soil is made up of shredded bark, compost, sand, perlite and vermiculite. The shredded bark in the mixture probably had mushroom spores in it. (It comes from the forest.) The mushrooms are getting their food from the decaying bark. They won't hurt your plant and they are not all that uncommon. They will probably grow 4-6" and then mature and spread their spores over the potting soil. If you allow that to happen you'll get lots more mushrooms in the soil. They are not edible so I wouldn't recommend you allow them to grow, Dig them out, roots and all, with a spoon and then place some fresh potting soil in the holes you dig.

Your lily will flower when it is mature enough. They usually bloom in the summertime so just be patient with it.

Good luck with your lily!

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