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Margaret Furness
most recent today HIDE POSTS
 
Initial post today by Margaret Furness
The late Frank Hogan, who grew roses in the tropics (Mackay) was experimenting with Carabella as a thornless understock, especially for tall or weeping standards. Has anyone tried this? It would be nice if someone would pick up the baton.
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most recent yesterday HIDE POSTS
 
Initial post yesterday by Margaret Furness
In David Elliott's photo from Leiden, it doesn't look like it's thornless. One reference mentions large prickles.
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Reply #1 of 3 posted yesterday by Palustris
My love affair with the Penzance roses began in the Arnold Arboretum about 30 years ago. They had a grove of several that were 10' tall free standing shrubs. Checking the label, I found they were 'Greenmantle' and Malcolm Lowe in Manchester, NH was the source of the plants. So I decided that for a wild garden the Penzance roses were what I needed. I headed up to NH where I bought 'Greenmantle' and a selection of OGRs.

Over the years I bought all the cultivars I could find, including 'Amy Robsart' which I still have. All of them, given enough time to mature, will make a tall free standing shrub. I have never managed to reach the magnificence of the Arnold Arboretum grove, but even in zone 4, if given enough time and manure, they will make a free standing shrub with canes arching gracefully from about 10' (over three meters).

All the Penzance roses I have seen have typical R. eglanteria canes and thorns.
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Reply #2 of 3 posted yesterday by jedmar
The reference from 1900 speaks of "rare and strong" prickles. No mention of arming in other sources. One German nursery mentions strongly armed canes. A further case of mislabelling?
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Reply #3 of 3 posted yesterday by Margaret Furness
Palustris, I see you grow Amy Robsart. Do you think the "Eden Valley-Springton sweetbriar" (photos posted under Amy Robsart) is the same rose? If not, which?
Also, I see you have an interest in ramblers. Would you please look at "Hawthorndene Tennis Court", and see if it's one you've grown? I've seen it in two places in the Adelaide Hills (zone 9b) and in northern Tasmania, don't know the zone but possibly 7.
We'd also appreciate knowing if you recognise the "Eden Valley-Springton Yolk-Yellow Rambler".
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most recent yesterday HIDE POSTS
 
Initial post yesterday by grzeng
Seems a bit too deep a yellow and double? I had a plant from Thomas for Roses at one point, it was much more a translucent lemony colour and semi-double/almost single. (Unfortunately I lost it, and I've been looking for another one ever since!). Photo reminds me more of hemisphaerica or foetida persiana I guess.
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Reply #1 of 1 posted yesterday by Margaret Furness
The plant at Renmark came from Thomas for Roses. John Nieuwesteeg took budwood from Renmark - I don't know if that was the source of the rose photographed.

Maybe the petal count varies with the weather?
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most recent 5 days ago SHOW ALL
 
Initial post 12 NOV by Sweetsummerdays
I'm wondering if Madame Alfred Carrièrecan be grown as a large shrub? Thank you.
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Reply #1 of 4 posted 7 days ago by billy teabag
I have only ever grown it on a strong supporting structure, something it seems to need because it makes such long growth, and I can't recall seeing it grown as a shrub or hedge. I haven't tried to keep it lower or more compact but perhaps others have and will be able to advise how it responded.
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Reply #2 of 4 posted 7 days ago by Sweetsummerdays
Thank you for sharing your experience. It does sound like it needs support.
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Reply #3 of 4 posted 6 days ago by Palustris
When I was living in San Diego 25 years ago there was a huge free standing MAC in the Quail botanical garden. The plant must have been many decades old and really impressed me with its size and its attractive overall shape.
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Reply #4 of 4 posted 5 days ago by Margaret Furness
Deleted by user.
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