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'J.P. Connell' rose Reviews & Comments
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This cultivar is listed as triploid in the paper 'Pollen diameter and guard cell length as predictors of ploidy in diverse rose cultivars, species, and breeding lines'
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Where does this rose get its hardiness to zone 2b from??
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#1 of 2 posted
18 OCT 18 by
 jedmar
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Difficult to imagine from the parentage stated in Modern Roses 10, isn't it? However, if we modify the pollen parent from 'Von Scharnhorst' to 'open-pollinated seedling of Von Scharnhorst' (as stated in the note) then it is quite possible that a very hardy nearby rose in the Experimantal Station played a role.
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That would make sense. Thank you Jedmar.
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In Denver Colorado, JP Connell blooms are pale yellow and will have 2-3 flushes during the season. It appears to tolerate some shade and grows in a difficult location, next to the street and under a locust tree. It does suffer some winter die-back. This is a great rose for difficult conditions.
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Initial post
13 DEC 09 by
Anne M
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Northwestern Ontario, Canada USDA Zone 2
I have had J.P. Connell in my garden for 7 years - no winter protection - disease free. It was suffering from 4 years of neglect and was rescued late last fall and relocated. This summer she put out numerous sturdy new canes, grew to 4 feet and bloomed well until hard frost. Hopefully next year she'll do even better.
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