How to Tell If It’s Serious
Not all gummosis is dangerous.
Sometimes it’s a minor response to a small injury, and the tree will recover on its own.
However, it’s worth taking a closer look.
Signs it may be mild:
Small, isolated patches
No visible damage around the area
Tree otherwise looks healthy
Signs it may need attention:
Large or multiple oozing areas
Cracked or sunken bark
Leaves wilting or branches dying
Presence of insects or holes
The context matters more than the gum itself.
What You Should (and Shouldn’t) Do
If you notice this on your tree, the first step is observation—not panic.
What you can do:
Check the surrounding bark for damage
Look for signs of pests
Ensure the tree is getting proper water (not too much or too little)
Keep the area around the base clean
What to avoid:
Don’t scrape off large amounts of gum aggressively
Don’t apply random chemicals without knowing the cause
Don’t ignore signs of spreading damage
In some cases, gently removing loose gum can help you inspect the area underneath—but it’s not always necessary.
Read more on the next page
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