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hardy  Aroids)" <ARISAEMA-L at NIC.SURFNET.NL> Aroids)" <ARISAEMA-L at NIC.SURFNET.NL>
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From: Tony Avent <tony at PLANTDELIGHTS.COM>
Subject: Re: Arisaema flavum
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David:

Your experience with Arisaema flavum is the opposite of ours with
similar weather.  We find A. flavum to be the easiest species of
arisaema in our climate, suriving in beds from wet to bone dry and from
sun to shade, even after chopping with a rototiller.  It is very late to
emerge compared to the other species, and one that sets seed well in the
garden.   I hope you will try it again outdoors.   As for Pacific Coast
Bulbs toxicity...

Tony Avent
Plant Delights Nursery @
Juniper Level Botanic Garden
9241 Sauls Road
Raleigh, North Carolina  27603  USA
Minimum Winter Temps 0-5 F
Maximum Summer Temps 95-105F
USDA Hardiness Zone 7b
email tony at plantdelights.com
website  http://www.plantdelights.com
phone 919 772-4794
fax  919 772-4752
"I consider every plant hardy until I have killed it myself...at least th=ree times" - Avent



Mellard, David (ATSDR/DHAC/SRAB) wrote:
>
> I need a break from writing about PCB toxicity so thought I would
> report to the group my experience with growing Arisaema flavum.  I've
> tried it in the garden but it doesn't tolerate Atlanta's wet winters
> but 3 potted plants are doing fine.  The tubers are potted in Metro
> Mix, a soil-less mix based on milled sphagnum peat moss.  When I pot
> the tubers, I usually sit them on Turface and then cover the tuber or
> most of it with additional Turface.  This increases drainage around
> the tuber's surface.  I don't know if this is absolutely necessary but
> seems like a good idea for a plant that might not like the excessive
> moisture from using a peat-based mix.  All three plants flowered this
> year and I had a little bit of fun with an artist's brush to see if I
> could induce seeds.  I grow a number of tuberous/bulbous plants this
> way.  Arisaema candidissimum grows both in the garden and in pots.
> When fall approaches and the stalks begin to wilt, I move the pots
> under the front porch for the winter.  Here they experience Atlanta's
> zone 7 winter with the coldest winter lows being around 15 to 20 F
> (-10 to -6 C).  The tubers easily tolerate these lows as the pots
> receive no protection from the cold but remain bone dry during the
> winter.  When late spring arrives, I repot with fresh mix and wait
> until I see a growth point emerge from the pot before watering begins.
> The plants get some Osmocote if I think about it and are fertilized a
> few times in the spring with MSU RO fertilizer at about 100 to 200 ppm
> nitrogen.
>
> Now, back to PCBs
>
> David
> Atlanta
>
>
>
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