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Hi Margaret & All, Aug 16, 2008
To contain a perennial herbaceous plant such as JN one must go for
the juglar so to speak.
Such plants are dependent on reserves, that are stored in rhizomes
or other underground storage structures, to get started in the spring.
Sending shoots up in the spring decreases these reserves to some extent
so the trick is to mow before any resources can be translocated back
from the new shoot to the rhizome and by mowing early it may be possible
to deplete the storage reserves of several shoot production cycles in
one growing season.
Getting something else established to compete with it will help
also. Avoid digging. That just perks it up.
Yt, DW, Kentville
Margaret E.Millard wrote:
> I have a patch here that was planted years ago by a previous resident
> and it runs amuck. We slash it and dig it and mow it and it just keeps
> coming. I find the birds love it.
> http://margmillard.ca
> ----- Original Message ----- From: "James W. Wolford"
> <jimwolford@eastlink.ca>
> To: <NatureNS@chebucto.ns.ca>
> Cc: "Zoe Lucas" <zoelucas@greenhorsesociety.com>
> Sent: Saturday, August 16, 2008 6:23 PM
> Subject: [NatureNS] a positive aside on Japanese Knotweed
>
>
>> Without taking sides re this non-native and invasive plant being in
>> Cape Breton Highlands Nat. Park and what if anything to do about it,
>> I'd like to inject a natural history note on J.K. that I heard from
>> Zoe Lucas, and I hope I've got it correct. On Sable Island there is
>> a small "forest" of J.K., and at a certain time of the year these
>> dense plants provide protective cover for small migrant birds from
>> the ravages of sharp-shinned hawks.
>>
>> Cheers from Jim in Wolfville.
>>
>
>
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