[Trillium-l] Decipiens

Robin Graham Bell rgb2 at cornell.edu
Sat Jan 17 06:32:07 CET 2015

Someone will probably shoot me down on this but my impression is that ovatum is the most widespread of the westerners so I think that many of the caveats that apply to decipiens & underwoodii also apply here. You could almost nominate your ecologic parameters & find ovatum growing there somewhere, so long as the parameters don't include very dry! I suspect that if you could try some ovatums sourced from other sites you might eventually be successful. Russ would know more, I guess it might depend on what you thought the fatal component was in your environment.....very hard to tell. Have you tried albidum? A friend had a patch of it in Ithaca that was ever expanding. Coastal N. California/Oregon is really pretty cool climate stuff, I think it is why they do so well in kiwiland & Scotland.
Robin Bell, Medford, OR. also zone 7, or 8, depending on how you feel, this year 8 I think.
On Jan 16, 2015, at 9:07 PM, Charles Hunter wrote:

John's experience with western trilliums is a little different than mine. I kill ovatum almost immediately, and rivale within a couple of seasons. I can keep some of the sessiles from California alive and have had some chloropetalum going outside for over 10 years now, but they do not thrive and never make flower buds. Ditto on coastal angustipetalum. It is hotter here in the summer than where John lives in SE Pennsylvania, so go figure! I have some seed planted outside from western sessiles as well- didn't work before, but I am trying again.

That is interesting that decipiens does well in the Pacific northwest though. I had not heard that before.

Charles Hunter
Smyrna, Georgia USA, zone 7 (not magic for western trilliums where I live)

From: trillium-l-bounces at science.uu.nl<mailto:trillium-l-bounces at science.uu.nl> [mailto:trillium-l-bounces at science.uu.nl] On Behalf Of Russell Graham
Sent: Friday, January 16, 2015 11:04 PM
To: john at johnlonsdale.net<mailto:john at johnlonsdale.net>; Trillium Enthusiast Discussion List (and other Woodland plants)
Subject: Re: [Trillium-l] Decipiens

On Jan 16, 2015, at 6:48 PM, John T Lonsdale PhD wrote:

Apart from rivale, which does fine,

VERY interesting John! Any thoughts as to why rivale works? Do you know the provenance of your rivale? Have you tried ovatum?

I have seen native rivale, ovatum and kurabayashii growing within a few feet of each other...


Russell Graham, Purveyor of Plants, Salem, OR, Zone 8 (7)

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