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Re: Adiantum lovers


Nancy:

	Good to hear from you and hope you are doing well!  I'd love to try spores
of your hardy Adiantum hispidulum if you have any to share.  I am
determined to get this fern to grow outdoors here.  I'll be glad to share
any of our adiatums as soon as the sporelings are up and shippable.  Let me
know.

At 09:44 AM 11/11/2003 -0800, you wrote:
>Tony,
>I have an A. hispidulum that has lived outside for any number of years. In 
>that time we have had a week of -5 Fahrenheit. You know, don't know the 
>year, but camellias were killed back to the ground. I think it is adaptive. 
>At any rate, I put out 50 and two lived. I grew spores from the one that 
>lived, but Lee gathered them in. So much for experiments. The one that 
>survived had no covering at all. The other was in a place that I have had 
>non-hardy ones to survive.
>As to A. venustum, It survived in pots, but was really fine. Took it 2 
>years to recover, but is now growing like it did on the west coast. I'm 
>about to try it back in pots. You wouldn't recognize it. If you want to try 
>some of the rest of them, I'm available. We haven't had the winters that I 
>am used to..... Nancy
>
>>         Several folks have answered about tropical adiantums, but not 
>> much mention
>>has been made of winter hardy species.  We find these fascinating and have
>>collected several species as follows:
>>
>>A. aleuticum - very hardy in both cold and heat
>>A. bellum - wild collected in Bermuda and has survived well here...so far
>>to 9 degrees F after two winters.  Our form resembles a very compact A.
>>capillis-veneris
>>A. capillis-veneris - A great garden plant but very variable from different
>>locations.   We grow clones from Alabama, Virginia, North Carolina, Florida
>>panhandle, Michigan, Texas.  I am       looking for spore of the 
>>population from
>>the Dakotas.  I picked up several Texas forms this year that looked to be
>>wonderfully dwarf.  This will be their first winter outdoors here.  I
>>collected this also on Uullong Island, Korea, but I didn't get good spores.
>>  I would like to try this form again.
>>A. caudatum - I have never found this to be hardy before obtaining a new
>>wild collection from China which has been perfectly hardy through 9
degrees F.
>>A. hispidulum - I have never overwintered this outdoors, but collected it
>>at the top of Mt. Haleakala in Hawaii this year and when the sporelings are
>>large enough will try these outdoors.  There must be a hardy form of this.
>>A. lorentzii - We saw this everywhere in northern Argentina.  It survived
>>our first winter of 9 degrees F and very wet.  We saw this species range
>>from 18" tall to 4" tall.
>>A. pedatum - ditto, we have a clone that we wild collected in Louisiana
>>that is probably more heat tolerant than most in the trade
>>A. thalictroides - fabulous species from our Argentina trip...seems to love
>>the climate here and reaches 2' tall with very fine leaves
>>A. venustum - does fine here once established, but will not over-summer in
>>containers.  This is fine north to at least zone 5.  I have collected this
>>in the Himalayas at 11,000' but it did not survive the trip home.
>>
>>Has anyone else had experiences with winter hardiness of adiantum.
>>
>>Tony Avent
>>Plant Delights Nursery @
>>Juniper Level Botanic Garden
>>9241 Sauls Road
>>Raleigh, NC  27603  USA
>>Minimum Winter Temps 0-5 F
>>Maximum Summer Temps 95-105F
>>USDA Hardiness Zone 7b
>>email tony@plantdelights.com
>>website  http://www.plantdel.com
>>phone 919 772-4794
>>fax  919 772-4752
>>"I consider every plant hardy until I have killed it myself...at least
>>three times" - Avent
>>
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>
>Nancy Swell
>505 Baldwin Road
>Richmond, VA  23229
>
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>
Tony Avent
Plant Delights Nursery @
Juniper Level Botanic Garden
9241 Sauls Road
Raleigh, NC  27603  USA
Minimum Winter Temps 0-5 F
Maximum Summer Temps 95-105F
USDA Hardiness Zone 7b
email tony@plantdelights.com
website  http://www.plantdel.com
phone 919 772-4794
fax  919 772-4752
"I consider every plant hardy until I have killed it myself...at least
three times" - Avent

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