North American Fruit Explorers mailing list at ibiblio

[mIEKAL aND <qazingulaza@gmail.com>]

Steve, thanks for this excellent post.  Im wondering if I can get them
to fly in the new tropics of southwest WI..  I'd say on top of these
ridges it seems we are clearly zone 5 the last 15 years or so..

~mIEKAL

On Fri, Apr 27, 2012 at 10:19 AM, loneroc <loneroc1@gmail.com> wrote:
> Hi Jim,
>
> "Japanese maple" generally refers to two species Acer palmatum and Acer 
> japonicum.       There are no commercial cultivars of either that are fully 
> hardy in climates colder than zone 5.  Betty Addison of the former Rice 
> Creek Gardens in the Twin Cities, Minnesota (zone 4a) and Ed Hasselkus, 
> retired curator of the University of Wisconsin Arboretum in Madison (zone 
> 4b-5a) both found that some seedlings of Acer japonicum atropurpureum could 
> sometimes survive in very sheltered locations but had regular winter 
> damage.  Ed also told me that the clone Emperor II (I forget which of the 
> two species it is) had also survived for a number of years for him although 
> I couldn't find it when I looked this spring.  If you really have a zone 3 
> hardy clone of either species it's an important find and you should make an 
> effort to get material to an Acer specialist nursery.
>
> In my zone 3 garden I grow a similar related species from Korea, Acer 
> pseudosieboldianum, a lovely addition to my garden.  You might also want to 
> key out that species to determine exactly which one you have.  Acer 
> pseudosieboldianunum has few or no cultivars although I have a dwarf 
> seedling that I'm watching closely.  I won't be tapping it any time soon 
> obviously.
>
> If you post pictures that show as many details as you can I can pass them 
> along to Dr.Hasselkus--I'm sure he'd be very excited to see your find.
>
> Steve Herje, Lone Rock, WI USA.  USDA zone 3b (but with good summer heat)
>
> Sent from my U.S. Cellular® Android phone
>
> Jim Fruth <jimfruth@charter.net> wrote:
>
>>    I know where there is one with a 6" diameter bole (at 3') so it had to
>>have withstood alot of cold weather.
>>
>>Jim Fruth
>>Brambleberry Fruit Farm
>>4002 Davis Street
>>Pequot Lakes, MN  56472
>>
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