Mulch
Q.

Using leaves for mulch

Zone Phoenix, AZ | Anonymous added on April 21, 2018 | Answered

What specific leaves should NOT be used on the garden?

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A.Answers to this queston: Add Answer
MichiganDot
Answered on April 24, 2018

I have other do Not use plant leaves: buckthorn, pokeweed and eucalyptus. I'm sorry I omitted these in my original answer.

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MichiganDot
Answered on April 21, 2018

The key is to allow the leaves to dry and then shred them or run the mower over them to keep leaves from matting down. This creates a barrier to water and air. All tree leaves can be used. Black walnut toxin, juglone, breaks down within 2 weeks after shredding. Any effect would be minor compared to the juglone in roots. Oleander and other toxic leaves like poison ivy should not be used unless they are fully composted first.

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