[MAIPC] Use of Tree of Heaven Mulch

[Greenberg, Patricia]

Hi,
Such great questions. Not sure if there is any research out there on this topic.

I have only used mulch from invasive species as weed control in garden pathways. Pretty useful but I wouldn't use it to mulch where I'd like native plants to grow just to be safe. I would love to see the results of a study on this. We are in the process of taking down many Ailanthus trees these days in Fairfax County.

Warm wishes,

Patricia Pearl Greenberg
Invasive Management Area (IMA) Program Manager
Office: 703-324-8673
(She/Her/Hers)



From: MAIPC <maipc-bounces at lists.maipc.org> On Behalf Of Jackson, David Robert
Sent: Monday, February 7, 2022 11:17 AM
To: MAIPC Listserve <maipc at lists.maipc.org>
Subject: [MAIPC] Use of Tree of Heaven Mulch

See question below.  Does anyone have any information or knowledge on this subject?  Thanks.


Ailanthus mulch
I had nine 30-40' ailanthus trees cut down and mulched. I did not realize at the time that it is allelopathic. I am trying to re-grow a native Virginia garden. Should I age this massive amount of mulch, or get rid of it? How long does its allelopathy last? Weeks? Months? Years?
Thank you so much for your kind consideration.
Robin Allman
robinallman54 at gmail.com<mailto:robinallman54 at gmail.com>
(804) 714-5874


Dave

David R. Jackson
Forest Resources Educator
Penn State Extension-Centre County
Willowbank Building, Room 322, 420 Holmes Street
Bellefonte, PA 16823
drj11 at psu.edu<mailto:drj11 at psu.edu>         814-355-4897(office)
Forests and Wildlife Extension:  https://extension.psu.edu/forests-and-wildlife<https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fextension.psu.edu%2Fforests-and-wildlife&data=04%7C01%7CPatricia.greenberg%40fairfaxcounty.gov%7Ce59d5db44375424ca47308d9ea5555dc%7Ca26156cb5d6f41729d7d934eb0a7b275%7C0%7C0%7C637798474802859096%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000&sdata=nMNiRhU7rtUcv8KY0CdwUgm8nHj8DC1aOdNYIA%2FP5fQ%3D&reserved=0>

"Anything we can't do forever is by definition unsustainable."
Sir David Attenborough


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