Arum italicum

Peter Taggart petersirises@gmail.com
Tue, 22 Apr 2014 22:29:14 PDT
Digging it up needs to be done very carefully or you spread it. The tubers
(these Arums do not have corms) have small off setts and break up much like
Ranunculus ficaria. The tubers can be very deep!
To remove; I usually leave them well alone until I am using glyphosate,
when I spray the leaves.


On 23 April 2014 03:31, Bracey Tiede <tiede@pacbell.net> wrote:

> Hi K,
>
> It is invasive here in the SF Bay Area of California with a little summer
> water.
>
> If you can completely starve them with no water, that will be the end of
> them.
>
> If that is not possible, then I suggest digging.
>
> Cheers,
> Bracey
> San Jose CA
>
> -----Original Message-----
> From: pbs-bounces@lists.ibiblio.org [mailto:pbs-bounces@lists.ibiblio.org]
> On Behalf Of Kathleen Sayce
> Sent: Tuesday, April 22, 2014 6:24 PM
> To: pbs@lists.ibiblio.org
> Subject: [pbs] Arum italicum
>
> Working on a wetland mitigation site last week, I found three patches and
> two seedlings of Arum italicum. My question to the PBS members in temperate
> climates is this:  How invasive is this species? It's listed as invasive in
> the state of Oregon, which is 25 miles to the south, and it's in a natural
> area that is supposed to be left alone. I suspect it needs to come out,
> though that may be difficult, given the likelihood of deeply rooted corms.
>
>



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