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| I would like to grow some polyanthas. Are there any which can be grown in zone 5? I do have enough water but how much cold than they take? Do the root systems remain as small as the plants? |
Follow-Up Postings:
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| You might not do well with the "Poly-Teas," but the real old Polyanthas, like the whole Koster family . . . a bunch of those come from the Netherlands, and from the Poulsens, in Denmark. Just guessin' but I'd think if they can thrive in Denmark . . . |
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- Posted by mad_gallica Z5 Eastern NY (My Page) on Sat, May 24, 14 at 12:33
| If they can thrive in Denmark, they must be hardy to zone 7. There are some, but they aren't always easy to pick out. Particularly since, like HPs, they don't really fit into the modern rose world, so relatively few people have relevant experience. Fortunately, they root easily, so it is easy to try a lot of them and see which ones work. I have a rather random collection, made more random by the fact that the hardier ones are mostly multiflora, and turn bright chartreuse here without special treatment to lower the pH. This is Mme Norbert Levavasseur from last year. Others that I have are Mrs. R. M. Finch, which dies back severely pretty much every year, but manages to grow back, and Verdun, which might eventually turn into something. It gets maybe a half-inch taller each year. I have played with some of the Kosters, but for some reason they never stick around. I really liked the red one, Mothersday, but it didn't make it through the first winter. |
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| 'Perle d'Or' barely survived last winter at -5 F, but it was a very small plant. 'The Fairy' has been hardy for me in a couple of zone 5 winters we had long ago. |
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| 'Perle d'Or,' like the other "Poly-Teas" are half Tea Rose. I wouldn't expect them to be good prospects. I'd look at the "true" Polyanthas. Check out the Kosters, and the Poulsens -- and I think, stick to the older ones ... or at least try to avoid things with tender things in the pedigree. |
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- Posted by mariannese 5b (My Page) on Sat, May 24, 14 at 17:11
| Katharina Zeimet is considered the hardiest of the polyanthas. It was one of few survivors in the Frogner Park in Oslo, Norway, in one of the worst winters of the 80'es when 5,000 modern roses froze and they had to plant potatoes the next year. There were not enough plants in Norwegian nurseries for a public park, all available roses had to go to private customers. I am in zone 5b and Katharina Zeimet does well here, Marie Pavie a little less so but not too bad. Nathalie Nypels is also good. A Swedish rosarium in a colder zone than mine grows whole rows of KZ at the front of their borders of climbing roses. |
This post was edited by mariannese on Sat, May 24, 14 at 17:15
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- Posted by roseblush1 8a/Sunset 7 (My Page) on Sat, May 24, 14 at 17:13
| When I did an ADVANCED SEARCH on HMF, by class and zone, the database came up with four pages of roses, many of which are still in commerce. Smiles, |
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- Posted by annececilia z5a/N.Michigan (My Page) on Sat, May 24, 14 at 19:15
| If it helps any, I've had a Marie Jeanne since 2005 when Lisa (from Rose Peddlers) gave me a rooted cutting. It is not very big, but it has survived many zone 4 winters under no more protection than snow and it does bloom. Anne |
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| I've had Verdun, 1918, since 2006 and it's wintered wonderfully for me and did survive this past winter with some green cane even. One of the few I didn't have to cut to the ground. I have had Blanche Neige (White Koster), 1929, since 2010. It is NOT a vigorous grower for me but survives every winter. I also have a newer one, Zenaitta, 1985, that I got in 2008 and it is very vigorous, healthy and very winter hardy. All of them are planted in the ground and get NO winter protection. They're wonderful bloom machines too! |
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| I'm not familiar with either the rose or the climate, but I was wondering if 'Little White Pet' might work, being as it's a dwarf reblooming sport of a Sempervirens rose (and...they're pretty cold-hardy, right?). I looked it up on HelpMeFind and it's listed among a few 5b gardens. Perhaps you could contact those gardeners via HelpMeFind and see how it's doing for them. :-) ~Christopher |
Here is a link that might be useful: 'Little White Pet' at HelpMeFind
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- Posted by ratdogheads 5b NH (My Page) on Sun, May 25, 14 at 6:05
| Little White Pet does nicely here. Little bit of slow grower, but winter has been no problem. Does China Doll count as a polyantha? (HMF calls it floribunda/ployantha). Whichever, I LOVE her! Never out of bloom. I have one that is budded that I got from Regan last year and it was one of my top survivors this winter. Weeping China Doll, which was an own root band also did remarkably well. |
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| K. Ziemet is an excellent performer if you deadhead it. It was not very cold here when I had this rose, so I didn't mention it. Fragrant, disease resistant, heavy bloomer. |
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| Thank you, everyone. that gives me a lot of choices to investigate. I had an 'Anna Vena', gorgeous purple blooms, which died and broke my heart, so I am a bit leary of trying again. |
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| Katharina Ziemet did well this past winter whereas many (most?) of the roses died to the ground. It had a little more twig loss than usual but no major branches. Marie Pavie died her first winter, planted some time ago at the same time as Katharina, but she was small. White Pet and Clothilde Soupert survive here...and I love Clothilde. Cath |
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- Posted by Nippstress 5-Nebraska (My Page) on Mon, May 26, 14 at 1:04
| I have quite a few polys in my zone 5 yard, and for the most part they're hardy healthy easy plants. Baptiste LeFaye has been an absolute trooper in a poor location under an oak tree and was one of the very few that was cane hardy in this terrible winter. Clothilde Soupert is lovely and hardy, and blooms well when she doesn't ball. In my dry climate, that's mostly spring, but elsewhere I understand she's a balling nightmare. Excellens von Schubert is big and trouble free, as is its relative Gartendirektor Otto Linne. Neither reblooms quite as well as advertised, but they're both plant and forget about care roses. Marie Daly is a totally reliable all summer bloomer in a part shade location. La Marne has survived this last winter as has Carol Amling and White Pet, but it's just their second year and they're still getting settled. Margo Koster blooms OK for me, but I don't get a lot of rebloom even in full sun. My Perle d'Or is over 5 years old and survives every winter in partial shade, but it also doesn't rebloom all that well. The absolute most reliable rebloomer among polys would be Marie Daly and Pink Pet/Caldwell Pink. They're energizer bunnies and totally healthy, and mostly cane hardy. My recommendation is to find a poly that you like and go for it - they're pretty tough and hardy in my experience in zone 5. Cynthia |
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- Posted by gothiclibrarian 5b (My Page) on Mon, May 26, 14 at 10:48
| I'm in 5b and I grow White Pet & Clotilde Soupert. Our winter in Indianapolis was brutal and I had to cut far back, but they are both looking wonderful right now. Neither had any winter protection and aren't in particularly protected spots. ~Anika |
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