Re: Dahlia imperialis

Yeah, the Bismarckia is my favorite palm. Native of Madagascar. It seems to be hardy to zone 9a. I now have four of them in the ground--all raised from seed. First one I planted in the shade, and it has really grown slowly. Next two, I planted in full sun a year later, and they like that a lot better--and they've grown twice as fast as the one in the shade and are now almost 6 feet tall. Squinty and I planted the fourth one last tuesday in full sun. It's only about 6 inches tall now, however. Getting the silver color as good as in that picture is something of a crap shoot; I happened to get very good seeds.

On Dec 23, 2005, at 8:07 AM, Donna wrote:

love it! But to be honest I browsed the rest of the
pictures and am in love with Bismarckia noblis11a - Is
that in your yard? I don't suppose that would be hardy
in Zone 5 <lol>

So where is the group photo with yourself, Cathy, and
Gary at?

Donna

--- james singer <islandjim1@verizon.net> wrote:


Picture at

	 	http://hort.net/+134P

On Dec 22, 2005, at 10:19 PM, James R. Fisher wrote:


Donna wrote:

Hum.... Can you start them indoors to get a jump

start on the season

in zone
cold areas? Confused since is a tree form? Does

it have tubers? Is it

just a
basic type dahlia and is pruned to look like a

tree? Does it go

dormant in
the high zones and re-sprout/bloom? I am

definitely confused about

this....





++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++



You can dig the tubers (very large), overwinter in



the cool, bring out



in early spring, take cuttings of new sprouts and



grow those on, like



any Dahlia.
It's a basic type Dahlia, called a tree Dahlia



because it grows very



tall,
10-12 feet I've seen, with a thick hollow stem,



not 'pruned' in the



sense
that a tree gets pruned, but as some Dahlias get



pruned to thin the



laterals
and so induce fewer but larger flowers. I doubt



that many of the tree



Dahlia
species get pruned in such a fashion. If left in



the ground it will



put up new growth in the spring and grow new



stems. In this sense it's



perennial, but any
given stem is annual.
-jrf
--
Jim Fisher
Vienna, Virginia USA
38.9 N 77.2 W
USDA Zone 7
Max. 95 F [36 C], Min. 10 F [-12 C]







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Island Jim
Southwest Florida
27.0 N, 82.4 W
Hardiness Zone 10
Heat Zone 10
Minimum 30 F [-1 C]
Maximum 100 F [38 C]





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Island Jim
Southwest Florida
27.0 N, 82.4 W
Hardiness Zone 10
Heat Zone 10
Minimum 30 F [-1 C]
Maximum 100 F [38 C]

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