[MAIPC] another note about Garlic Mustard

Thu Apr 15 17:46:24 PDT 2021

In one park there is an isolated area no one goes to, where I have left contactor bags filled with removed invasives. And sealed tightly. I came back a year later and emptied the 20 bags in one pile. No invasives survived the year in the bag when I checked a year later. The empty bags were then used to bag invasives elsewhere in the park. Marc

From: MAIPC <maipc-bounces at lists.maipc.org> On Behalf Of Ruth Douglas
Sent: Thursday, April 15, 2021 8:00 PM
To: Jil Swearingen <jilswearingen at gmail.com>
Cc: MAIPC Listserve <MAIPC at lists.maipc.org>
Subject: [MAIPC] another note about Garlic Mustard

It is my understanding that if you just cut off the flowering head off GM, then buds in the remaining leaf axils will be released from inhibition and will go ahead and make flowers, etc.  You are better off taking off the entire stem.

These plants have so many ways of perpetuating the species it's amazing!

Ruth Douglas

On Thu, Apr 15, 2021 at 7:46 PM Jil Swearingen <jilswearingen at gmail.com <mailto:jilswearingen at gmail.com> > wrote:

I agree with the other's and suggest also that if you pull the entire plant and pile it up, whether it has viable seeds or not, piling it up concentrates the plants in one spot where it can be tended to on future visits. I often pull GM plants and lay them in a nearby well traveled path because they will be trodden upon even if they do germinate. This has been very successful. 

Jil

On Thu, Apr 15, 2021 at 6:47 PM Tim Maywalt <temaywalt at gmail.com <mailto:temaywalt at gmail.com> > wrote:

Carry hand pruners, hand pull and cut the stem below the seed heads. Leave cut portion on forest floor - only bag seed heads. You can carry a lot this way before it gets heavy.

Discard bagged seed heads as garbage.

On Thu, Apr 15, 2021 at 3:03 PM Mike Van Clef <mike.vanclef at gmail.com <mailto:mike.vanclef at gmail.com> > wrote:

Similar idea avoiding trash bags is to remove the seed/flower heads from the pulled plant to assure that immature seeds cannot ripen.  Usually only in shady or damp conditions, nearly ripe seeds can ripen from a pulled plant. If too far along, then just bag the seed heads.

-Mike

Michael Van Clef, Ph.D.

Stewardship Director, Friends of Hopewell Valley Open Space

Program Director, New Jersey Invasive Species Strike Team

Principal, Ecological Solutions, LLC

Office: 609-730-1560

Mobile: 908-528-6674

On Thu, Apr 15, 2021 at 1:27 PM Stephen Hiltner <stevehiltner at gmail.com <mailto:stevehiltner at gmail.com> > wrote:

One idea, in order to avoid lots of bulky heavy bags of garlic mustard that must be hauled away and tossed in the trash, is to have all volunteers make one big pile of the pulled plants, preferably in a spot where the seeds won't be washed into new locations. That way, if any seeds do mature, they will be concentrated in one location, which will make subsequent workdays easier. Not ideal, but better than generating loads of trash.

On Thu, Apr 15, 2021 at 12:31 PM Marc Imlay <ialm at erols.com <mailto:ialm at erols.com> > wrote:

Over a decade ago it was found that garlic mustard is one of the few invasive plants that will regrow if left in a pile. 

Marc

From: MAIPC <maipc-bounces at lists.maipc.org <mailto:maipc-bounces at lists.maipc.org> > On Behalf Of Kenny, Colleen
Sent: Thursday, April 15, 2021 11:44 AM
To: MAIPC at lists.maipc.org <mailto:MAIPC at lists.maipc.org> 
Subject: [MAIPC] Garlic mustard disposal

Hello everyone,

Does anyone have experience pulling garlic mustard and piling it on site? I am having a large volunteer event to pull it, and am limited in how much we can cart out. I'm hoping if we pile it up it will decompose and not reroot or spread. Has anyone had a positive or negative experience if not bagging and removing?

Thanks!

Colleen

Colleen Kenny

Natural Resource Manager

Upper Dublin Township Parks and Recreation Department

267-615-3731

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