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'Gold Pierre de Ronsard Clg' rose Reviews & Comments
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Extremely black spot resistant in my test garden.
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'Graham Thomas' has certainly been a productive parent. I notice MR is being grown in two zone 5a gardens and sold by Rosarium in Spokane, WA. I wonder if this might be a good alternative for those of us who can't grow GT?
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#2 of 9 posted
26 AUG 23 by
 Ericchn
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Star roses and plants is listing the hardness zone of MR as USDA 5-9 so I think it’s worth a try. But for me it doesn’t look like Graham Thomas so much, the plant is more like a very big traditional hybrid tea rose, even the flower color is a bit different from that of GT.
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I know I can't have the real GT, alas, but this one in photos looked like a similar growth habit and flower shape.
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#4 of 9 posted
27 AUG 23 by
Lee H.
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Are you saying that GST is too tender for your area?
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I live in upstate NY, along the Mohawk River, so in a frost pocket. A number of borderline tender roses have not survived the winter for me, despite being covered. I tried 'Sunflare' twice, alas, as it is a favorite of mine.
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#6 of 9 posted
27 AUG 23 by
Lee H.
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That’s discouraging. I love mine. Have you tried growing it own root? In my own experiences with zone pushing, an own-root rose may be killed to the ground, but often still come back in the spring. That’s not usually the case grafted.
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I have several own root roses which do come back, as you say, but they don't grow very much during the rainy summers. I am keeping them because they are extremely rare, and I am still trying to figure out how to propagate roses in my climate without having to buy an expensive misting system.
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Have you tried Mike Shoup's ziplock bag technique? This is a variant of it (replace dot with .)
heritagerosesdotorgdotau/articles/rose-propagation-ziplock-bag-technique/
Mike recommends about equal amounts of potting soil and aerator, eg perlite - I don't use any aerator but our potting mix here must be very different from what he uses.
It needs about 6 weeks of warm weather - might be borderline late for you this season.
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this rose, now in october, is between 6-7' feet tall in its bed at the lyndale park rose garden in minneapolis, mn in z4/5. looks to be healthy, with a very upright growth pattern. i would say it has good cold hardiness judging from the size and vigor of these bushes.
to me as well, it looks more like a hybrid tea than a graham thomas, which i have in my garden.
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2020 Portland rose trials gold medal winner
The results could be retrieved here: portlandrosesociety.org/?page_id=114
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Available from - High Country Roses
www.highcountryroses.com
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Available from - High Country Roses
highcountryroses.com
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