Re: loosestrife
- To: perennials@mallorn.com
- Subject: Re: loosestrife
- From: C* P* L*
- Date: Mon, 17 Jul 2000 13:37:40 -0500
- References: <35.7af22ec.26a4a0a2@cs.com>
> Perhaps it really is a sterile modern cultivar.
>
> We don't have the problems with the purple loosestrife here like other
> places, which is why I'm not sure of it's identification. (I've seen
> pictures on the Web but they're just not quite clear enough). Anyway, since
> I live on a lot in the middle of the city, I think I'll be a pretty safe bet
> for containment.
Just as an aside, there's a misconception that because a loosestrife
cultivar is sterile it's not harmful to the environment. Here's a good
URL about it:
http://www.ducks.ca/prov/purple.htm
And the relevant passage:
CULTIVAR CONFUSION
Loosestrife cultivars have been developed for use as garden
ornamentals and landscaping plants. Cultivars such as 'Morden
Pink', 'Morden Rose', 'Morden Gleam' and 'Dropmore Purple'
were thought to be safe for garden use, in that they would
not produce viable seeds. Recent research has indicated that
cultivars can cross amongst themselves or with wild loosestrife
and produce viable seed, further contributing to the spread of
loosestrife. Plants do not have to be near each other to cross
pollinators. Loosestrife planted in gardens may eventually
spread to drainage ditches, streams, creeks, wetlands, and
rivers. Many wild populations can be traced back to garden or
horticultural escapes.
Chris
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