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'Rosa glauca Pourr.' rose Reviews & Comments
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The Redoute and the Guimpel & Willdenow, 1815 paintings are showing heart-shaped petals with no space between. They are slightly different to the majority of the photos.
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#1 of 1 posted
31 DEC 10 by
Jay-Jay
You're right Patricia! And both the "book scans" of Cass and Jedmar show the same petals as You described.
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I was wondering why there is no seperate listing under Class for R. glauca/R. Rubrifolia? The only possible selection is just Species or Wild, Species. Thank you.
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According to the Combined Rose List (Dobson & Schneider 2003) R. glauca dates from 1789.
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#1 of 1 posted
18 AUG 07 by
Cass
According to the International Plant Names Index, Rosa glauca was first described by Pierre André Pourret in Mémoires, Academie des Sciences, Inscriptions et Belles-Lettres de Toulouse, 1788. As a species, it undoubtedly existed long before that date.
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Initial post
25 FEB 04 by
Anonymous-797
I just purchased 4 bushes of these roses for the front of my house. They are facing West and it gets very windy. I live in Western Canada in zone 3a. What type of pruning is required for this rose and how often? Also, what type of winter protection, if any, is required for this variety of rose?
Thanks! Lynda
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R. glauca flowers on the previous year’s growth so you should only really prune to dead head in spring and cut out any dead wood. Can’t help on the winter protection unfortunately as I live in the UK and protection isn’t necessary in out climate
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It is in the Montreal Botanical Garden which is zone 5 in Botanica's Pocket Roses, Peter Beales wrote the species section of Botanica and states that it is hardy to zone 4. Zone 3 being the prairies south of the Calgary - Winipeg line. When pruning take the old canes out to the bottom otherwise you get a cluster of new shoots like a witches broom! If they will grow for you the birds will love you in winter!
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