[Trillium-l] Decipiens

John T Lonsdale PhD john at johnlonsdale.net
Sat Jan 17 03:48:40 CET 2015

No!  Apart from rivale, which does fine, the other western species are a
total failure.  Gone within three years of planting mature specimens, at
most.  Seedlings ex pots just don't do anything.  They can't stand the lack
of diurnal temperature variation in summer, maybe combined with the eastern
summer humidity.  I saw albidum growing beautifully at Norm Deno's place but
he was in the mountains at State College in central PA.  Cooler nights.

-----Original Message-----
From: trillium-l-bounces at science.uu.nl
[mailto:trillium-l-bounces at science.uu.nl] On Behalf Of Robin Graham Bell
Sent: Friday, January 16, 2015 9:03 PM
To: Trillium Enthusiast Discussion List (and other Woodland plants)
Subject: Re: [Trillium-l] Decipiens

Hi Dan, I am imagining (& hoping) that zone 7 is where all the south eastern
& western species will come together & be happy. Ithaca certainly was not
the place for that ( lancifolium did do well there) & apparently neither is
the SE US for western species. Both ovatum & rivale are native here &
albidum is pretty close by as well. Although there are what appear to be
vastly different habitats around me, water (presence or absence) appears to
be the defining thread. Perhaps I'm oversimplifying things, but I am about
to find out. I should just check your website John but did/do you grow
western T's with any success?
Robin Bell, Oregon extension of N. California, known by locals as the State
of Jefferson.
On Jan 16, 2015, at 5:20 PM, Miles, Dan wrote:

> A bit I can add re the discussion of T. decipiens:  I received seeds which
I sowed in my USDA zone 7a woodland in 2010. By 2013 I had 30 yearlings. In
2014, 15, 3-leaved plants remained. Presumably the losses were from voles or
invertebrates, as I noticed no injury from too-early emergence, and the
plants were healthy in appearance.  Here they have emerged at about the same
time as cuneatum. They are in always-moist, sandy loam beside a brook. The
winter lows here reach the single digits Farenheit a few nights yearly, with
typical lows around 20; it can remain below freezing for a week or more in a
spell; the soil typically freezes to a depth of several inches and may
remain so for weeks; winter is usually interrupted by warm spells with
complete thaw followed by deep freezes. I believe the seeds originated from
a collection in Boone, NC, which is above 3,000 ft. above sea level and I
would guess is zone 5. 
> T. lancifolium thrives and has been colonizing with seedlings for several
years under the same conditions. 
> Dan Miles, Virginia Piedmont
> Sent from my iPhone
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