Short trillium

Roy Herold via pbs
Mon, 13 Apr 2020 08:26:07 PDT
Interesting. I wonder if there is a difference in the T erectums in 
cultivation based on their geographical origin. Perhaps the southern 
ones (say from North Carolina) are better adapted to warm weather than 
the northern ones. The ones I grow came from western Massachusetts where 
the average winter lows are around -20F/-30C.


On 4/12/2020 6:22 PM, Peter Taggart wrote:
> I have a stem of Trillium erectum flowering now, in a very mild location in
> the west of Scotland. It is 12 inches high, and the ground where it is
> planted has not frozen for the past three winters. I dont believe that it
> requires cold below freezing in Winter.
> Peter (UK)
> On Sun, 12 Apr 2020 at 22:36, Roy Herold <> wrote:
>> Rimmer,
>> Not enough cold, I'm sure. I have a Trillium erectum that's normal size,
>> between 1 and 2 feet tall.  I moved part of it to a bed that's on top of
>> the septic tank where the soil rarely, if ever, freezes. It now tops out
>> between 3 and 6 inches tall.
>> I was wondering why, and your experience seems to confirm the lack of
>> cold theory. In the wild it seems to be common in the mountains of
>> Kentucky, but once you get down to your area, nothing.
>> Time to find a colder spot for mine...
>> --Roy
>> NW of Boston
>> On 4/10/2020 1:41 PM, Rimmer deVries wrote:
>>> This was much taller in Michigan but here in S Kentucky in half day sun
>> it is 3” tall.
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