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Re: question about KnockOut roses and overwintering
Having not planted any roses in my own garden for more than 20 years I was
tempted to try a new variety at our zone 5 garden (2000 feet high and 140 avg.
inches of snow) where the Japanese Beetles and deer seem to be manageable.
I queried the list a few years ago and the consensus was to try a Knockout
rose...no scent but virtually disease and insect free. I planted Radrazz in
the spring of 2006 and while I only got a couple of flowers I did get some
vegetative growth and thought I was well on my way. Last year it showed now
signs of breaking dormancy until late June and finally flowered in early August
but I'd by no means call it a robust plant. It seems to have over wintered
much better this year (no protection other than what we got from the snow) and
it's about two feet tall now with more than a dozen buds. Unlike last year
I've decided to feed it a bit as our soil is mostly clay and rock with meager
amounts of organic matter...and yes, I did dig deep and wide adding plenty of
compost and humus at planting.
Still don't know how long it will survive but it's pretty obvious that it's
virtually disease free and insect resistant. Now if they could only insert
a scent gene...but fear that would doom its insect resistance. I refuse to
mound it or give it any winter protection other than holding back on the
fertilizer come August to harden it off. It's not that I don't believe in those
practices, it's just that I don't want to have to do that kind of work to
insure that my garden and plants survive.
Andrew Messinger
The Hampton Gardener
The Hampton Gardener is a Registered Trade Mark
(Published every Thursday in the Southampton Press, The Press and the
Easthampton Press)
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