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thebig-bear
most recent 9 FEB SHOW ALL
 
Initial post 7 DEC 16 by thebig-bear
Please can anyone tell me if this rose sets hips, and if so, what the resulting seedlings are like?
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Reply #1 of 5 posted 8 DEC 16 by Margaret Furness
Hmf lists these as descendants:
Madame Gustave Fargeton
Starlight (hybrid multiflora, Paul, 1909)
The Sweet Little Queen of Holland
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Reply #2 of 5 posted 8 DEC 16 by thebig-bear
Thanks Margaret. Shame none of them seem to be in commerce, as I would like to have seen the results of Celine Forestier's motherhood, so to speak.
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Reply #4 of 5 posted 9 FEB by Emily W.
I have a rooted cutting on order from Rose Valley Roses.
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Reply #5 of 5 posted 9 FEB by Robert Neil Rippetoe
I just purchased one recently from Burlington.
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Reply #3 of 5 posted 8 DEC 16 by Robert Neil Rippetoe
"what the resulting seedlings are like?"

This depends on what you use it with.
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most recent 27 MAY HIDE POSTS
 
Initial post 25 MAY by thebig-bear
Does anyone know whether R. Spinosissima is self-sterile? And are the garden hybrid varieties also self-sterile?

I have seen this mentioned in an article I was just reading, and was left curious, especially as my pink garden variety rarely produces hips for me, despite flowering prolifically.

The article in question is "Durham Wild Roses" by J. W. Heslop Harrison, for those that are interested.

Many thanks in advance.
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Reply #1 of 2 posted 26 MAY by Plazbo
Likely varies to some degree with species from one individual to another, some being better hip parents than others.

I have an unknown white (someone bought an old place and no labels and I got a sucker...I don't recommend sticking a spino sucker in the ground, spreads) spinosissima, assume just straight species given all it's habits and traits.

It doesn't set a huge number of hips (maybe half of flowers) but it sets them. Of those that germinated, many of them seemed like straight spinosissima (no others in the garden at that time except the diploid pimps like hugonis on the other side of the garden), while others were obvious hybrids with things near it.


in the references there's one "Cross- and self-compatibility in various species of the genus Rosa"

which says
"R. spinosissima L. Ploidy, Ploidy 4x
Pollen fertility 97.7%
Selfed Fruit set 75.8%
Selfed Seed set 58.7%"

which isn't too far off what I'm seeing with mine (just less hip set)

Meanwhile at a public garden nearby there is plants of Single Cherry (and something labeled Single Purple) that produce a lot of hips. Seedlings from those show no obvious hybridity but who knows if they are self or just crosses between the two.
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Reply #2 of 2 posted 27 MAY by thebig-bear
Great answer. Very interesting stuff. Thank you.
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most recent 5 OCT 22 SHOW ALL
 
Initial post 9 NOV 20 by Ambroise Paré
Hi. This rose is s typical bourbon , leaves , prickles etc . Very good scent. Blooms in flushes ( in my area roses reflower very little ) and good production of hips . Is the rose in commerce an impostor?
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Reply #1 of 2 posted 25 NOV 20 by thebig-bear
I agree with your points - superb scent, at least a decent second flush in autumn in most years, and a reasonable if not prolific amount of hips. I have three that have formed from crosses I have made this year, compared to 2 that didn't form.

I am really starting to think that this rose may well have been misidentified.
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Reply #2 of 2 posted 5 OCT 22 by Ambroise Paré
I wonder why this is not better Known
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most recent 5 OCT 22 HIDE POSTS
 
Initial post 5 OCT 22 by thebig-bear
Very nice!
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