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'Thornless Rose' Reviews & Comments
Discussion id : 108-678
most recent 21 FEB HIDE POSTS
 
Initial post 21 FEB by mamabotanica
A rose at my mamas house hadn't been pruned in forever. I got in there and found a tag that identifies it as this rose. Also saw that it had been planted in a decomposed wooden box wrapped with a plastic tub mat. I tore that away and tried to bury the roots as best I could. Now I fear perhaps I should have been more tender? How hardy is this one? We are in zone 10 and this rose was well established when the house was bought 8 years ago.
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Reply #1 of 8 posted 21 FEB by Give me caffeine
How happy does it look? If the roots got damaged when you messed with them, or if being stuck inside the box means it got badly root-bound, it may need a bit of TLC for a while. The usual thing with any shrub is to prune it back a bit if you have to lose some of the rootball when transplanting, and to give it extra water for a while.

It's a bit late to worry about being more tender. I'd just apply common sense (along with food and water) and see how it goes.

Oh and in Zone 10 and with it probably being spring where you are, I'd think about some mulch for summer. Roses love lucerne mulch. I think you call it alfalfa over there.
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Reply #2 of 8 posted 21 FEB by mamabotanica
Thanks much! Will focus on water (praying for rain here!) and deep mulch as we move into the summer. I hope it recovers as it is a lovely rose when it does it's one big show.
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Reply #3 of 8 posted 21 FEB by Andrew from Dolton
It's a rose that likes cool moist roots.
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Reply #4 of 8 posted 21 FEB by Give me caffeine
It should do a second show in autumn if it's happy (and if it's deadheaded so autumn energy doesn't go into making hips from the summer blooms). I've seen a Zephy flowering in autumn before.
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Reply #5 of 8 posted 21 FEB by Jay-Jay
One big show? This rose is almost never without a flower and has several flushes during the season...
Or is the one big show due to the available amount of water at Your place?
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Reply #6 of 8 posted 21 FEB by Andrew from Dolton
I've picked flowers in November and it was one of the first roses to flower too. It grows well in a cool damp climate.
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Reply #7 of 8 posted 21 FEB by Margaret Furness
I grow its sport, Kathleen Harrop, on its own roots, in zone 9b. It strikes readily from cuttings, so I'd suggest as a backup, you start some cuttings going.
Well-established plants in my clay soil, with mulch, get little or no supplementary watering; I wouldn't get away with that on sandy soil. We do get occasional summer rain. KH flowers most of the time.
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Reply #8 of 8 posted 21 FEB by Give me caffeine
I remember reading that one person (in Vermont I think*) had quite different results growing ZD and KH. He found KH was much more resistant to disease.

Which might sound odd, but then sports are sports because of mutations, and it's quite possible that mutations will also affect things other than colour.

*Found it. South Carolina. See: http://paulzimmermanroses.blogspot.com.au/2010/02/rose-to-know-kathleen-harrop.html
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Discussion id : 97-338
most recent 12 FEB 17 SHOW ALL
 
Initial post 6 FEB 17 by JasonSims1984
Is this rose fertile? As a pollen parent maybe?
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Reply #1 of 2 posted 6 FEB 17 by Patricia Routley
Are you using HelpMeFind's LINEAGE facility? It is all there.
I would say that it is not fertile. Two of the four 1st generation descendants are "probably" and "parentage uncertain". That leaves just two - since 1868.
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Reply #2 of 2 posted 12 FEB 17 by JasonSims1984
Yes. I use all the features. I just wonder if anyone has experience with it.
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Discussion id : 97-177
most recent 30 JAN 17 HIDE POSTS
 
Initial post 29 JAN 17 by JasonSims1984
This rose has been mostly considered a bourbon, but I have read a few books that say this may be a cross between a bourbon and a boursalt. This would account for its ploidy, as well as its thornlessness and reddish canes. Additionally, this rose does not rebloom as well as a bourbon would. It has a very sparse rebloom pattern when it does rebloom, which is also similar to a boursalt. Just an interesting thought.
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Reply #1 of 5 posted 29 JAN 17 by Jay-Jay
It repeats flowering constantly in my garden, in contrary to what You state.
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Reply #2 of 5 posted 29 JAN 17 by JasonSims1984
Interesting. I wonder if there are a few of these going around. I get a spring flush and ocasionally a flower here and there.
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Reply #3 of 5 posted 29 JAN 17 by Jay-Jay
I got my own root specimen from IlGiardinodeipigri, see the photo's of his plant, for instance:
http://www.helpmefind.com/rose/l.php?l=21.190308
And all the other photo's he uploaded January 5 2012
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Reply #4 of 5 posted 29 JAN 17 by Andrew from Dolton
In the U.K. too it flushes throughout the season often flowering early and continuing late with the autumn flowers a much richer colour. Perhaps it needs moisture to do well and does not like to dry out too much in summer. Not a rose I grow myself but one I have grown for various other people in a range of different environments, it does not need a lot of sun but does not like over head shade. It is very prone to rust.
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Reply #5 of 5 posted 30 JAN 17 by Nastarana
That, about needing moisture, was my experience growing both ZD and the sport Kathleen Harrop, lovely soft pink version, in hot and dry CA. Gorgeous spring flush, BUT, only during those years when there had been a wet winter, and sporadic bloom at all other times. I would say that Mme. Zephrine and her sport progeny are not desert roses. OTOH, SLDM and her sports thrived in my hot and dry conditions, and seemed to need remarkably small amounts of summer irrigation.
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Discussion id : 84-637
most recent 2 MAY 15 HIDE POSTS
 
Initial post 2 MAY 15 by Give me caffeine
I was up at "The Shambles" the other week (Montville, Queensland, sub-tropical) and their 'Z├ęphirine Drouhin' is doing quite nicely after they moved it. Seems to be fine without spraying as long as it gets sun and air. Mildew is generally not seen around here though. Around there it's black spot that's the problem. ZD will get some, but not enough to bother it much if the location is good.

When I saw it, it was budding up for an autumn flush. Not covered in buds, but there seemed to be enough to make for a bit of fun, so I'd say it's remontant to some extent in this climate. I didn't ask how religious they were about deadheading.

Their roses don't get supplementary water, or hardly ever, as the house is on tanks so water is precious. The garden survives on rainwater only. I'm not sure about their feeding regime.
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