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#1
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[IBC] Elm Taxonomy
Ulmus anglica Druce, 1932, British Isles, English elm.
Ulmus campestris is a synonym of U. minor. Ulmus carpinifolia is a synonym of U. minor. Ulmus xelegantissima Horwood, 1933, U. minor x plotii, parts of England. Ulmus glabra Hudson, England, 1762, wych elm. Ulmus xhollandica Miller, 1754-1768, U. minor x glabra, Europe, Dutch elm. Ulmus minor Miller, 1768, field elm, Eurasia, North Africa. Ulmus plotii Druce, 1911, England, Plot's elm. Ulmus procera is a synonym of U. minor. 'Jacqueline Hillier' is sold in this country as U. xelegantissima. The garden where it was found is within the range of U. plotii. However, due to taxonomic difficulties, the RHS places 'J. H.' within U. xhollandica. Regarding pests: Those of you who raise Chinese elm have probably encountered leaf gall mites. I have to spray for them occasionally. A grower in Holland who has what appears to be Ulmus xhollandica photographed infestation with leaf gall mites, so I would watch 'Jacqueline Hillier' for them. Orthenex is good for both leaf gall mites & spider mites. Iris ************************************************** ****************************** ++++Sponsored, in part, by John Quinn++++ ************************************************** ****************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ |
#3
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[IBC] Elm Taxonomy
Hey Craig,
Brent has it listed as follows... Ulmus x hollandica 'Jacqueline Hillier' (formerly listed as Ulmus x elegantissima) S\M\-20ø\RG\Ls\B Decoder ring found at http://www.evergreengardenworks.com/viewcat.htm. Oh I'll just paste it here... Culture Codes: S=sun PS=part sun Sh=shade M=moist or regular garden watering D=dry or little summer water W=wet or bog conditions DegøF=minimum low temperature RG=rock garden plant Ls=landscape plant B=bonsai plant. Best, /jhd "Craig Cowing" wrote in message ... wrote: snip 'Jacqueline Hillier' is sold in this country as U. xelegantissima. The garden where it was found is within the range of U. plotii. However, due to taxonomic difficulties, the RHS places 'J. H.' within U. xhollandica. snip Iris To which zone is 'Jaqueline Hillier' hardy? Craig Cowing NY Zone 5b/6a Sunset 37 Oct. 16, 11 AM. Be there!! ************************************************** ************************** **** ++++Sponsored, in part, by John Quinn++++ ************************************************** ************************** **** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ |
#4
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[IBC] Elm Taxonomy
In a message dated 7/1/04 9:30:31 AM, writes:
To which zone is 'Jacqueline Hillier' hardy? It is considered hardy in Zone 5, but if I had it in the ground outdoors, I would use a rose cone. The branches are very brittle. Iris ************************************************** ****************************** ++++Sponsored, in part, by John Quinn++++ ************************************************** ****************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ |
#5
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[IBC] Elm Taxonomy
wrote:
In a message dated 7/1/04 9:30:31 AM, writes: To which zone is 'Jacqueline Hillier' hardy? It is considered hardy in Zone 5, but if I had it in the ground outdoors, I would use a rose cone. The branches are very brittle. Iris Thanks Iris. I haven't seen any in the nurseries I've visited in this area. I'll keep an eye out. Craig Cowing NY Zone 5b/6a Sunset 37 October 16, 11 AM--be there! ************************************************** ****************************** ++++Sponsored, in part, by John Quinn++++ ************************************************** ****************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ |
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