Re: Comments on these perennials appreciated - Knautia
- To:
- Subject: Re: Comments on these perennials appreciated - Knautia
- From: M* T*
- Date: Fri, 19 May 2000 02:45:52 -0400
Hmmm.....Bob, well UK doesn't count because it's not warm winters -
ours aren't, really - it's the hot, humid nights of summer that I
theorize kill off plants who are happy in zones 2 and 3 and sometimes
4. A couple of weeks of 95F doesn't count - we get that for the
entire month of July and hotter - with no breaks - and continuing
into August...just finished having a week of that lovely temp. here
in May:-) Do your summer nights - as a general rule - cool down
below 70 or 75F in summer?
My theory is developing because I cannot keep plants like Cornus
canadensis alive...they just melt away in a slow, agonizing (to
watch, anyway) death. Seems to happen with any plant I try who is
hardy to zone 2 or 3...hence this budding theory that I keep trying
to test. Need people from MD, VA, NC, SC, and points south and west
of that to testify here to help prove or disprove my theory...tho'
certainly appreciate your input...and am thoroughly jealous of your
plants.
Marge
Marge Talt, zone 7 Maryland
mtalt@clark.net
Editor: Gardening in Shade
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> From: BOB CAMPBELL <llebpmac_bob@hotmail.com>
> Date: Friday, May 19, 2000 2:26 AM
>
> Well, a quasi relative in Southampton, England grows them. That
would be
> warmer in winter than zone 7 (I think) but cooler in summer. I
don't think
> it can be heat though Marge because I hit 95 f for a couple of
weeks
> straight there last summer with no rain for over a month and mine
did just
> fine. They're huge plants this year.
>
> Bob Campbell
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