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Q.

Casuarina needles as mulch

Zone Portugal | billure added on October 15, 2017 | Answered

I want to use casuarina needles, of which I have a lot, as mulch. I have heard, however, that unlike pine needles, they have an inhibiting action on plants, which is why nothing grows under them. Is this true, and would they make a good mulch? Regards, Bill Ure

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BushDoctor
Certified GKH Gardening Expert
Answered on October 15, 2017

All of my research points to them being a decent mulch for deep rooted plants, as they will prevent young weeds from starting. Just have care, and don't apply this to baby plants.

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