I recently started a brown oyster mushroom grow kit. It came with a plastic sleeve for keeping moisture in until pinheads form. After a large mushroom emerged, I removed the sleeve. This morning, I noticed that splits have appeared on top of the mushroom:

enter image description here

Are these splits benign, or do they indicate that the mushroom has too little moisture? If this is an indication of dehydration, what is the best way to fix it?

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.