Mushrooms around a tree can have many causes. Some fungi are decomposers in mulch or soil, while particular fruiting bodies associated with the trunk, root flare or major roots can indicate wood decay.
Do mushrooms mean the tree is dying?
Not necessarily. Identification and location matter. Fungi growing from buried wood or mulch differ from fruiting bodies emerging directly from structural roots or decayed trunk tissue.
Why basal decay matters
The base and major roots transfer loads into the ground. Significant decay in these areas can affect stability, particularly when combined with cavities, root damage, lean or canopy decline.
What should you photograph?
Take clear photos of the entire tree, the base and the fruiting body if safe. Keeping evidence available can help with assessment.