Eucalyptus Tree
Q.

Brown leaves on eucalyptus planted in New Zealand

Zone Auckland | Anonymous added on October 25, 2019 | Answered

Previously healthy tree of 20 metres suddenly leaves turned brown and over a six week period still brown but not dropping much.

A.
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GKH_Susan
Certified GKH Gardening Expert
Answered on October 26, 2019

Yes, wait and see how it does this spring and summer. It may be frost damage, from the characteristic partial browning on one side. If a hard freeze is sustained for a few days the Eucs can be killed; if only for a night or two, they brown like yours and then recover the next growing season.

Consider creating a drainage system for the lower property; dig a channel, install drain tiles or whatever is appropriate.

https://www.gardeningknowhow.com/ornamental/trees/eucalyptus/eucalyptus-cold-damage.htm

https://www.gardeningknowhow.com/ornamental/trees/eucalyptus/eucalyptus-tree-root-damage.htm

https://www.gardeningknowhow.com/plant-problems/environmental/tips-for-saving-cold-damaged-plants.htm

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