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'Baronne Prévost' rose Reviews & Comments
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Because of its strong, pleasant odor and lovely shade of dark rose, I am always thrilled when my Baronne Prevost produces a blossom. I use the singular here deliberately because this rose plant - which has been in the ground for five years and has countless four foot tall canes and half a dozen eight foot tall canes - never produces more than one blossom. All these canes, btw, are perfectly vertical with almost no arching going on. It stands ramrod straight like bamboo. The plant produces several buds each spring which are ravaged by some desiccating insect until they dry out and fail to open. Absent these insects in the fall the plant makes a single blossom. The problem I have is that as profoundly fond as I am of this annual 3 inch fragrant blossom I find myself eyeing this space for use by a rose that might produce, two maybe three times as many blossoms in a year. I would hope they might be at least as pretty as this one i.e. of middling or better form. And they must be chock-full of delicious fragrance. So what should I do?
1) prune Baronne Prevost severely next year; give it one last chance.
2) move Baronne Prevost to a far corner of the garden where the lack of bloom will be less of a problem
3) plant a fragrant, repeat flowering rose with powerful fragrance in its place. (suggestions welcome.)
4) fertilize again and hope for the best.
5) chuck it and plant monarda in its place.
6) selectively prune out old canes, use branch spreaders, and train the long canes horizontally.
Other info: I had the same problem with Mons. Tillier which I pruned to the ground last year. The rose never recovered. Hermosa, six feet away blooms happily. Roxy, planted at the feet of Baronne Prevost blooms happily. Until a damp monsoon season this August when new growth suffered a bit of powdery mildew, it's had not a touch of disease, but it may have been under-watered for its first two years in this location.
Thanks in advance for any and all advice.
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Reply #1 of 3 posted 15 OCT by  BTZMD
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I don't have this rose -- yet. But I think you should try pegging it first. If it has a lot of growth, it seems a shame to move it at this point. All the roses I've trained horizontally bloomed better the next spring. Will cutting back a hybrid perpetual postpone blooming more? I know it's a totally different rose, but I cut back my white Lady Banks by half right before it ate half the house and got no blooms the next spring -- lots of new green though. If that space isn't too premium, I think pegging is worth a try.
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I don't wonder your Monsieur Tiller never recovered. You just do NOT prune teas like this.
Try a little sulphate of potash on your Baronne Prevost, perhaps a teaspoonful once a month for three months in spring.
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Reply #3 of 3 posted 25 OCT by mtspace
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Initial post 8 MAY 10 by kev
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i firmly believe unless we know parentage of old roses,even then with great caution,we should not be changeing families to which a particular variety was originally placed by the rosiers of the day who bred them.1) because many are natures own crosses and the actual crosses are not known.
2)The breeders themslves didnt keep a complete listing of their work.
3)the listings of the crosses were lost.
For these reasons it is best to go with where the old men who knew those plants as new children of the rose family,and leave their oppions intact.
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Reply #1 of 2 posted 9 MAY 10 by Cass
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I, on the other hand, believe that breeders often classify and name their roses on the basis of commercial realities that are not always aligned with genetic realities.
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Reply #2 of 2 posted 10 OCT by mtspace
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Sounds like we are all three on the same sheet of music here.
To clarify: I've read that the practice at one of the larger nineteenth century French rose breeders was to start 250,000 rose plants from seed per year. So a breeder would know a rose cultivar "like a child" in about the sense that any parent who raised 250,000 children per year could know a given child well. Even accounting for how one might treat favorites and for the availability of help, the pressures of culling, tending the roses, tending the business, and bringing new roses into a competitive market would severely limit how much time a breeder could spend with a rose and how well a rose could be known by the breeder at its introduction. Thousands of person-years' experience among dedicated rose gardeners who have no commercial interest in the classification might count for at least as much.
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The variation of animals and plants under domestication, Volume 1 (1876)
By Charles Darwin
Mr. Rivers, as I am informed by him, possessed a new French rose with delicate smooth shoots, pale glaucous-green leaves, and semi-double pale flesh-coloured flowers striped with dark red; and on branches thus characterised there suddenly appeared in more than one instance, the famous old rose called the Baronne Prevost, with its stout thorny shoots, and immense, uniformly and richly coloured double flowers; so that in this case the shoots, leaves, and flowers, all at once changed their character by bud-variation.
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