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'Duchesse de Rohan' rose Reviews & Comments
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Initial post
25 APR 19 by
 Cats N Roses
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Available from - heirloom rose
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Initial post
16 AUG 13 by
StrawChicago heavy clay zone 5
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I sniff my 1st Duchess de Rohan bloom from Roses Unlimited. The scent is magnificent, no perfume can match .. just as good as Comte de Chambord rose. The bush is thornless upper branches, with tiny harmless prickles lower branches. VERY DISEASE RESISTANT pretty leaves, and grow tall fast. It blooms well in 4 to 5 hours of morning sun, zone 5a. The soluble gypsum greened up Duchess de Rohan and she bloomed more in my alkaline clay, pH 7.7. I bought it end of June as a tiny own-root, got 2 flushes before frost hit in mid-October.
Duchess de Rohan survived this past coldest zone 5a winter, many days below -25 degree. Was the 1st to bloom in May. Fantastic spring flush, even with less than 4 hours sun. This rose needs a high dose of potassium for it to repeat blooms.
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#1 of 3 posted
16 MAR 19 by
perpetua
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How should I prune this rose?Can it be pruned at least one third in spring like a H.perpetual?
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#2 of 3 posted
16 MAR 19 by
StrawChicago heavy clay zone 5
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This rose is best pruned AFTER BLOOMING, but NOT in spring. When I bought it as own-root in June, it was really tall (already done with spring flush), so I chopped it off by 2/3 and gave it SOLUBLE fertilizer, and it bloomed in July. Then it gave another flush before winter came in my zone 5a.
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#3 of 3 posted
16 MAR 19 by
perpetua
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Thank you for your quick reply!
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Initial post
10 JUL 16 by
Carsten
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It really is a splendid rose and has "grown on me", healthy, "cold-resistant", very beautiful and characteristic flowers with a great scent. And, comparing my specimen with the photos posted so far, it's definitely the Duchesse. But with my ca. 5 years old specimen there never was any rebloom to speak of - just one or two scattered blooms in September. Not that I miss it, but has anybody really experienced a profuse second flush with this rose?
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#1 of 2 posted
2 AUG 17 by
StrawChicago heavy clay zone 5
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I have Duchess de Rohan as own-root for 6 years, most healthy among my 110 own-root varieties. Yes it did give 3 flushes when it was in a MG-potting soil, morning sun only, well-fertilized with high-potassium NPK 10-20-40, plus gypsum. I brutally pruned it after each flush. It gave 3 flushes again in my alkaline clay: spring flush, equally abundant 2nd flush (high dose of sulfate of potash and acidic gypsum) plus partial shade to shield from hot sun, then a sparse 3rd flush. The 3rd flush has fewer blooms but best in quality: deeper colors due to cooler weather, and bigger blooms.
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#2 of 2 posted
2 AUG 17 by
Carsten
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Perhaps I should give it some lime... The soil in our garden is a bit peaty and rather acidic (most of my OGR seem to like that); maybe that is what makes the difference. It's no own-root and gets full sun after about 11 o'clock until sunset. And I do not prune.
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Initial post
17 MAY 17 by
jeff3948
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Available from - Rogue Valley Roses
https://www.roguevalleyroses.com/rose/duchesse-de-rohan
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