Arisaema griffithii

J.E. Shields
Sat, 20 Feb 2010 05:39:36 PST
I have several Arisaema tubers in the fridge right now, but they came form 
the U.C. Berkeley Botanical Garden, , 
because it is not the right time to plant them here in Indiana.

Besides, when I grow Arisaema from seeds, I cycle them every 3 to 4 
months:  grow under lights, then store dry in the fridge (ca. 40 F), then 
back under the lights, etc.  This is in fact the way I grow my mature 
Arisaema yunnanense album (an unimpressive flower, but a 
curiosity).   Yunnanense is so unimpressive I don't seem to have ever taken 
a photo of it.  It produced seeds last summer, hand pollinated, which I 
sent to the Arisaema Enthusiasts Group <… > for their imminent 
seed distribution.  If I'd thought that PBSers were interested in Arisaema, 
I could have sent some of the seeds to Dell as well.  Maybe next year.....

Since my A. fargesii survive outdoors in the ground year-round but have 
never bloomed there, I'm trying a pot of fargesii seedlings on the 
permanent indoor 3-4 month cycles.  We'll see if I can get them to bloom 
that way.

I should mention that one of the 3-month growth cycles, in summer, is 
handled outdoors in my lath house with overhead irrigation.

Using the cyclic indoor growth technique, the bulbs grow to flowering size 
twice as quickly measured in years by the calendar.

A. sikokianum survived for several years, blooming each year, outdoor in 
the ground.  It eventually expired, so I bought 3 more from the Berkeley 
Botanical Garden to continue them in my garden.  Being the gaudiest 
Arisaema, it is my favorite.  My motto is, "Gaudy is Good!"

Jim Shields
in Westfield, Indiana,
USA, where it is snowing again

At 08:11 PM 2/19/2010 -0500, you wrote:
>While we're on the subject of Arisaema...
>As many of you know, Arisaema griffithii is available from a number of
>general bulb vendors in the USA.  I had purchased these two or three times
>in the past, with the same result.  I'd receive a firm healthy bulb and
>plant it promptly, and that would be the last I'd see of it.  Last year I
>purchased a bulb (on sale).  When I received it, I put it, unpotted, in the
>crisper drawer of my refrigerator and left it there for about six weeks
>(temperature 40 F/4 C).  I then planted it and, lo and behold!, it sprouted
>roots and leaves.  Unfortunately, I let it dry out (vacation) and it
>expired.  Either that, or our heat and humidity did it in.
>I suspect that many of our Arisaema bulbs are imported from India, where
>they may not get enough chilling during storage.  I'm going to repeat my
>experiment this year, but I think I'll try A. griffithii as a house plant.
>Eugene Zielinski
>Augusta, GA
>pbs mailing list

Jim Shields             USDA Zone 5             Shields Gardens, Ltd.
P.O. Box 92              WWW:
Westfield, Indiana 46074, USA
Tel. ++1-317-867-3344     or      toll-free 1-866-449-3344 in USA

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