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'Double Delight ®' rose Reviews & Comments
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Double Delight isn't a bad plant, and there are much better actual plants out there, however the coloring of DD just can't be beat in the realm of bi-colors. And, they smell amazing. In Houston it may get a touch of mildew in the spring, or a little blackspot. Nothing tragic.
Double Delight is a garden staple and it's easy to see why it has stuck around so long. Everyone stops to gawk at it, everyone has to put their nose in it, and everyone loves it. It's a bit like having an antique car...sure, there are more reliable and more comfortable newer cars available, but the style and cache of this "oldie but goodie" just can't be beat. IMO, they certainly don't make them like this anymore.
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Cherry Parfait here resembles Double Delight very much. It doesn't have any scent to compare, but it grows without the fungal issues and keep pushing new flowers when Double Delight stops. If you love the Double Delight coloring and don't have to have the scent, but want a stronger grower with healthier foliage, try Cherry Parfait.
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Where does this colour changing ability come from? Would it originally have been inherited form a China rose like 'Archduc Charles'?
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Quite possibly. Some China roses deepen with age, heat and UV. European (and American) types fade.
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#4 of 8 posted
15 FEB 17 by
 jedmar
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I believe an important element is 'Rosa foetida bicolor' which is found in the ancestry of many (if not all) red/yellow bicolor roses. This rose has a high concentration of anthocyanin pigments (for red) on the upper side of its petals and an equally high concentration of carotenoid pigments (for yellow) on the lower side. These pigments are then found in varying combinations in its descendants. A good example is 'Rumba', where the red components deepen with time. It is thought that with UV light, biosynthesis of anthocyanins progresses in the direction of higher frequencies of light absorption (darker colours), while biosynthesis of the carotenoids progresses towards lower frequencies of light absorption (orange to light yellow to almost colourless). The resulting effect is that the rose seems to become redder with time. "The Chemistry of Rose Pigments" (1991) by Swiss chemist Conrad Hans Eugster gives a detailed description of these pigments and processes as relating to roses.
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That's very interesting, thank you Kim and Jedmar.
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Thanks for that. Interesting to know, and explains how the 'Charisma' in my garden works.
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#8 of 8 posted
17 JUN by
kgs
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I hear that a lot (about Cherry Parfait being similar to Double Delight) but after comparing both roses in their glory at the International Test Rose Garden in Portland, I see why people say that and yet there's something about Double Delight's coloring that is more complex than Cherry Parfait. Maybe it's that there is more yellow in it.
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Initial post
28 MAY by
Unregistered Guest
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Available from - Walkers Nurseries
walkersnurseries.co.nz
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Blooms tend to scorch a bit (edges mostly, not whole blooms like scentimental) in very hot and dry weather...which is a fault given my climate here in Sydney Australia, but possibly not one most people would have to deal with.
The plant does get spots/mildew issues, it's not as bad as some other roses but that may be due to DD never really having a whole lot of leaves at any one time, generally it's bare sticks with sparse foliage
One of the few plants I've seen proliferate in the flower bud growing out of a flower rather than just green centered.
I like it but at the same time can see it being replaced at some point due to it's obvious flaws if you look past it's blooms. Really just a matter of time for something with very similar flower traits on a better plant comes a long I would imagine.
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Initial post
4 NOV 17 by
Plazbo
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Is it common for the blooms after the first day or two to have slightly singed edges?
May just be Australia with the high UV index we have. It's interesting how some roses burn while others don't, like George's Best right next to it is a deep dark red mini that never looks burnt.
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