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Questions & Answers

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Q.Just Wondering What Has Caused This Damage And How Should I Stop Further Issues? Thanks In Advance.

Zone Brisbane, Qld, Australia | Anonymous added on August 11, 2026 | Answered

Just wondering what has caused this damage and how should I stop further issues? Thanks in advance.

GKH_Susan

Certified GKH Gardening Expert

Answered on August 12, 2026

It looks like damage from borers. Help prevent borers by keeping the trees well watered and healthy. Remove nearby brambles and weeds. Keep an eye on the bark for holes or insects. Here is more:

https://www.gardeningknowhow.com/ornamental/trees/tgen/tree-borer-insects.htm

https://www.gardeningknowhow.com/plant-problems/pests/insects/crown-borer-management.htm

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