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'Rosa chinensis var. pseudoindica' rose Reviews & Comments
Discussion id : 22-129
most recent 15 JUL 17 SHOW ALL
 
Initial post 19 OCT 07 by Unregistered Guest
I also would like to (urgently) know more about this rose! To what zone has this been successfully grown? (I am in Western Maryland, in a mountainous region with many niches ranging through Zone 6a, 6b and 5. The garden is full-sun, south-facing, protected by the house to the north ...I believe I am in the zone 6 range.) Has anyone in my zone/region successfully grown this as a tall climber? Does this rose tend to bleach out considerably with full sun, or does it retain the pink/gold coloration? Is the foliage lush and healthy or is it sparse? How long and how prolific is the bloom time, etc? I am looking for a romantic tall climber of this coloration to wrap around the columns and arch over my wrap-around porch. Ideally, I am looking for a plant that will reach 15 to 20 feet, have foliage that looks nice when the plant is not blooming and have glowing yellow and pink blooms. I am almost to the point of giving up and settling for a tall pink climber like Cecile Brunner or New Dawn that is reliable but not so exciting to me (I really like the yellow mixed in) or looking for a prolific, tall red climber. Any suggestions, comments? (suggestions on tall, prolific red climbers also welcomed!) Thanks very much, all suggestions welcomed! Cynthia
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Reply #1 of 2 posted 22 JUN 08 by Margaret Furness
This rose is a hooker (leaps out and grabs passers-by). Don't plant it anywhere near your house or a path! Ditto New Dawn. It would be worth asking a local nurseryman about Crepuscule in your district.
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Reply #2 of 2 posted 15 JUL 17 by Andrew from Dolton
Rosa dumalis is just like that, each curved prickle perfectly angled like a miniature sickle that will rake a bloody furrow at the slightest provocation.
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Discussion id : 102-630
most recent 15 JUL 17 HIDE POSTS
 
Initial post 14 JUL 17 by BarbaraG SE Virginia
This rose should come with a warning label; I became entangled while mowing and was able to escape only with great difficulty. Don't even think about training it; the wood is very heavy and stiff and the thorns are evil.

I planted this in a rather dry area on a six foot panel fence in north Texas (Dallas area) and the first season it covered 25 feet (3 panels). I might go back to visit it but I surely would not admit to any of the 3 neighbors who may have had a close encounter that I was the guilty party.

A rose for a country estate, NOT the suburbs.
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Reply #1 of 3 posted 14 JUL 17 by Andrew from Dolton
or Sleeping Beauty's castle.
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Reply #2 of 3 posted 15 JUL 17 by Patricia Routley
or as a ladder for the climbing beans - as I once did.
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Reply #3 of 3 posted 15 JUL 17 by Margaret Furness
See my comment of 22/6/08!
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Discussion id : 91-201
most recent 29 FEB 16 HIDE POSTS
 
Initial post 29 FEB 16 by AnitaSacramento
Does Countryside Roses still exist as a nursery? It is listed as a source for many roses but its website appears to have been hacked, their number is disconnected and they have had no reviews in Dave's Garden since 2010.
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Discussion id : 57-487
most recent 28 OCT 14 SHOW ALL
 
Initial post 25 SEP 11 by IanM
Are there any China or China hybrid roses with yellow blooms still in existence? It almost seems as though they are all extinct.
Yet there are many yellow HT's around today which must still have some of the early yellow China hybrids in their genes.
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Reply #1 of 3 posted 25 SEP 11 by jedmar
All existing early yellows (Desprez, Devoniensis, Lamarque, Le Pactole) carry Noisette blood in addition to the Tea. The pure Chinas & Teas have died out. However, Hume's Blush must also have had yellow genes, as Knight's seedling of 1823 shows ('Yellow China Rose').
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Reply #2 of 3 posted 25 SEP 11 by IanM
Yes, even "Smith's Yellow China" was a Noisette/Tea. It seems that a lot of the early yellows with a lot of China and Gigantea influence were prone to balling and very susceptible to disease and cold.
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Reply #3 of 3 posted 28 OCT 14 by CybeRose
The hypothetical "yellow genes" are actually the lack of a gene that codes for an enzyme that degrades carotene. A 40-carbon carotene is snipped into two pieces - a 13-carbon and a 27-C. The latter is then snipped again into a 13-C and a 14-C. These smaller carotenoids can then be oxidized, producing the most potent perfumes: including β-damascone, β-damascenone, β-ionone. These are known as the rose ketones.

The Musk rose and its allies start with different carotenes than the original Tea rose types. Some of the Tea-Noisettes inherit the Musk rose carotenes along with the Tea rose's lack of carotene degrading enzyme(s). Thus, the more deeply colored Tea-Noisettes are showing carotenes that would be degraded and oxidized into perfume in the Musk rose itself. This can be apparent even in crosses between Noisette and Tea, such as Smith's Yellow, where part of the carotenes are degraded but the remainder provide color.

This also occurs in some of the Luciae hybrids, such as François Foucaud. Here, again, the the richness of color is partly due to the Luciae carotenes remaining intact and visible, while the remainder provide a delicious scent.

Similarly, the yellow Banksiaes are less fragrant than the white forms that smell of violets (β-ionone).

Many of the Pernetianas are richly perfumed, often with a somewhat different scent than HPs and other roses. Rosa foetida produces its own distinctive carotenes, which can be degraded and oxidized into equally distinctive scents.
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