Magnolia Trees
Q.

Can I use neem oil for black spots on magnolia tree?

Zone Soulsbyville ca 95372 | Anonymous added on October 18, 2019 | Answered

I just purchased a magnolia tree in a container. It has darkening leaves that eventually fall off.

A.
A.Answers to this queston: Add Answer
GKH_Susan
Certified GKH Gardening Expert
Answered on October 19, 2019

This may be a bacterial blight so Neem oil would not be appropriate. Remove infected branches if you can without defoliating the whole tree. If it's not severe, it should recover. There are no chemical means to help. You may be able to return it to the store for another.

https://www.gardeningknowhow.com/ornamental/trees/magnolia/magnolia-tree-diseases.htm

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