Mushroom stacks! by meghan | Jun 30, 2018 | Fruiting Mushrooms | 0 comments Some of our stacks fruited! These stacks were created last spring and they started fruiting in the middle of June this year. These are pearl oyster on Trembling Aspen. Related Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website 4 − one = Notify me of follow-up comments by email. Notify me of new posts by email. This site uses Akismet to reduce spam. Learn how your comment data is processed.