Re: weather

Cacti are found from Canada to Patagonia, and in every state in the  
Continental US except Maine, New Hampshire and Vermont. (I personally  
saw a cactus ?Mammilaria sp. growing in the wild in Southern Minnesota.)

Cathy, west central IL, z5b

On Jan 17, 2007, at 9:22 AM, james singer wrote:

> At the National Academy of Sciences building in WDC, there is an  
> opuntia that was brought back from the top of the Andes by some  
> scientific expedition or another. Gotta be close to perennially  
> cold up there. I've got no idea what the species is, but one of its  
> interesting attributes is that it is a prostrate grower, no more  
> than about 6 inches high.
>
> On Jan 17, 2007, at 9:10 AM, Aplfgcnys@aol.com wrote:
>
>> Judy, some opuntias are winter-hardy.  I know several stands here in
>> the Hudson Valley, most notably a large patch that grow on a rocky
>> outcrop above the river.  Unlike this strange winter, most years the
>> temperatures are well below freezing most of the winter, and
>> sometimes fall below zero.  I think this species is Opuntia tuna,
>> but there has been some question about it.  I have seen another
>> species in a garden in Chincoteague, Virginia, where the temperatures
>> are milder than here, but still a lot of freezing weather.  These  
>> are much
>> larger than the local ones, but seem totally hardy.
>> Auralie
>>
>> In a message dated 01/17/2007 2:57:20 AM Eastern Standard Time,
>> judylee@lewiston.com writes:
>> I think the cacti here are opuntia. Mine looked dead after we went  
>> from 70s
>> to -10F overnight one fall. Everything was flat dessicated, looked  
>> like a
>> total loss, but it came back. Lost about half its bulk, but I was  
>> surprized
>> how much of the part that looked freeze-dried, survived.
>>
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>>
> Island Jim
> Southwest Florida
> 27.1 N, 82.4 W
> Hardiness Zone 10
> Heat Zone 10
> Sunset Zone 25
> Minimum 30 F [-1 C]
> Maximum 100 F [38 C]
>
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