Re: Re: weeds, damping off?
- Subject: Re: [iris-talk] Re: weeds, damping off?
- From: "Iris Test Garden" i*@stjohncable.com
- Date: Tue, 24 Sep 2002 19:51:50 -0700
Quack grass spreads by rhizomes and is difficult to kill. It will take
several spraying of roundup to completely eliminate all the quack grass
rhizomes. Roundup is not kind to iris. I have found a product call Poast
or Poast Plus that will kill all grasses in the flower beds and will not
harm the iris or other perennial flowers in my beds. You can also find this
same grass killer under the name Vantage. Again it will take more than one
spray application to eliminate the quack grass. A very heavy application
will cause some short term damage to the perennials but a proper spray
application does little to no damage to the perennials. This is a contact
herbicide so it only kills those grass blades that have the herbicide
directly applied upon. In the State of Washington Poast is a registered
chemical and it takes a pesticide license to even purchase this product. If
you cannot purchase this chemical in your area, you may have to contact a
lawn care business to have them apply the Poast. It is quite expensive but
it does give one control of Quack grass without harming other flowers that
are not grasses in your flower beds.
Jim Leifer
IRIS TEST GARDEN
Jim & Janet Leifer Family
1102 Endicott - St. John Rd.
St. John, WA 99171
www.iristg.com
----- Original Message -----
From: "Jeff and Carolyn Walters" <jcwalters@bridgernet.com>
To: <iris-talk@yahoogroups.com>
Sent: Tuesday, September 24, 2002 6:59 PM
Subject: Re: [iris-talk] Re: weeds, damping off?
> > From: Tanya <tan0301@yahoo.com>
> > The quack crass is killing me! It is over running all of my beds...
> > The stuff grows over night! I have plucked,pulled, stomped, sprayed
> > and cussed... it's still there. Going to try using Preen next year.
>
> Tanya,
>
> If the Quackgrass in Virginia is the same as the Quackgrass here, I don't
> think Preen will do you much good. Our Quackgrass is a hardy perennial
that
> spreads rampantly by means of underground runners, the tips of which are
so
> sharp they can pierce right through tulip bulbs, if not iris rhizomes. It
> seldom, if ever, seems to come from seed. It is highly susceptible to
> Roundup, however.
>
> Jeff Walters in northern Utah (USDA Zone 4/5, Sunset Zone 2, AHS Zone 7)
> jcwalters@bridgernet.com
>
>
>
>
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>
>
>
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