Forum : Exotic gardeningSubject : Info about oleanders© 2005 Lrey
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kurt674TX :
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2005/4/20 10:33 |
 We usually have USDA 9a winters here, but have also a 8b frost every few years. I'd like to grow oleanders, but I don't know much about their true hardiness. Are all oleanders equal about frost hardiness?
The ground here is well drained, plenty of sun, dry winters (and, uh, summers)
Many thanks. | |
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Rajesh : |
2005/4/20 14:02 |
Kurt, I known that some varieties are said to survive -12°C temperatures. I don't know much about the names, however. Hope it can help.
Regards | |
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Kacey : |
2005/5/8 22:20 |
Hi Kurt, I'll second Rajesh about varieties being more or less cold hardy. I've always been told that red and pink oleanders were generally hardier than yellow and orange ones.
After a little web search (didn't know about the names)
- ‘Calypso’ : red flowers, cold hardy
- ‘Hardy Red’ : as the name suggest, red and hardy  (in fact, deep red and very hardy.)
- ‘Hardy Pink’ : As you might have guessed... Just like 'Hardy Red' with noticeable pink flowers instead 
I assume there are many other cultivars, as there are numerous oleander varieties.
Kacey | |
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kurt674TX : |
2005/8/3 16:28 |
Rajesh, Kacey, thanks for the answers. I still haven't made my choice (colors matter!) but I noted Kacey's varieties.
Kurt. | |
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Etto : |
2005/10/9 10:38 |
Hello,
some extra suggestions :
- Nerium oleander 'Sister Agnes’ is said to be both frost hardy and vigorous. White single flowers.
- Nerium oleander 'Hardy White' - is it the same as 'Sister Agnes'? Not sure.
- Nerium oleander 'Hardy Yellow' - well, not much info about that one, but I assume flowers are yellow and it is reliably hardy 
Note : all parts of Oleanders are poisonous, take care.
Note 2 : here in Italy we have many more hardy selection, but I'm not sure they would be available in the U.S.
Note 3 : Anyway, most selections are hardy to at least -8°C. Many are hardy to -10°C. Some are hardy to -12°C.
Regards, Etto.
[ Edited by Etto on 2005/10/9 10:40 ] | |
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Info about oleanders