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'Rosa rugosa alba plena' rose Reviews & Comments
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Initial post
7 OCT 21 by
 Ben H
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Question: Is it really a mutation of R. rugosa alba? I just purchased R. rugosa alba-plena from Heirloom Roses. the stamens are dark in the photo . the stamens of extremely highly rated (9.1) R. rugosa alba are yellow. Does this mean rugosa alba-plena is not a mutation of rugosa alba? Both flowers in both photos have fully intact petals. Do the stamens turn dark before the petals fade?
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#1 of 2 posted
8 OCT 21 by
jedmar
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These stamens are yellow too, like on most roses. When they turn darker, it is a sign that the pollen has already picked up. - A service of the plant for pollinators telling them to use their energy elsewhere. Stamen colour is not a characteristic sign for parentage.
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#2 of 2 posted
8 OCT 21 by
Ben H
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This is a plant I usually just take for granted. It's stood out in the far back yard for a great many years (more than 20, I think) without a single complaint. It's taller than I am now, and I'm 6'1". I'd guess it's easily 7 feet tall if not more, so I think the 5' estimate is a little conservative.
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Does Plena indicate a different color or a different bloom type from a species rose? In other words does plena=double or something?
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Plena roughly means full but when a specific rose (especially species types)has a single flower and then sports to more petals often plena is used at the end of the orginal name. Rugosa alba is a beautiful pure single white flower which sported to the double rugosa alba plena.
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