Why Mushrooms Keep Appearing Around Your Tree
You walk outside after a bit of rain and suddenly there they are. Mushrooms popping up like magic around the base of your tree. For some homeowners, they’re a welcome sign that nature is doing its thing. For others, they’re an instant cause for concern.
So, should you be worried?
Well, the answer depends on why they’re there.
Mushrooms are a sign that fungi are active in the soil. That’s actually a completely natural process. Fungi are the decomposers of the natural world, they help break down dead organic matter, recycle nutrients and improve soil health. In many cases, the mushrooms you see are simply feeding on old mulch, buried roots or decaying organic material underground.
Often, they’re completely harmless but other times, they’re telling you something far more important.
When Mushrooms Can Be a Warning Sign
If mushrooms are growing directly from the base of the tree trunk, from exposed roots or attached to the tree itself, it’s worth paying closer attention as this may be indicative of a serious problem (for the tree and any structures nearby).
Certain fungi feed on living or recently dead wood and when they’re growing directly onto your tree this can become an issue. Over time, this can cause internal decay that weakens the tree’s internal structure, meaning the likelihood of falling or breaking is much higher. The tree may still look healthy on the outside while slowly becoming unstable on the inside.
That’s why arborists never judge a tree by its leaves alone, we look at the full picture to get a whole idea of the trees health.
Other signs to look for include:
- Dead branches high in the canopy
- Cracks in the trunk
- Hollow sections
- Leaning that wasn’t there before
- Fungal growth that keeps returning year after year
One sign on its own doesn’t always mean the tree is dangerous, but several together deserve a professional assessment.
Don’t Rush to Remove the Mushrooms
Many people pull the mushrooms out thinking they’ve solved the problem. Unfortunately, mushrooms are only the fruiting body of a much larger fungal network living underground. Removing the visible mushrooms won’t remove the fungus itself if it’s already established.
It’s a bit like picking an apple off a tree. The tree is still there.
Can the Tree Be Saved?
Sometimes, yes.
If the issue is identified early enough, pruning, improving soil conditions or reducing stress on the tree may help slow further decline. In other cases, particularly where extensive internal decay has occurred, removal may be the safest option.
Every situation is different, which is why proper assessment matters.
The next time mushrooms appear around one of your trees, don’t panic, but don’t ignore them either.
They might simply be helping your garden recycle nutrients, or they could be your tree’s way of telling you something isn’t quite right.
Need help or have any questions? Don’t hesitate to get in touch with Ecological Tree Services or call on 07 3520 8661.
-Alex the Arborist
