Erik (and everyone):Here is the best quote from the article that Erik posted above:"There is no single mechanism involved in plant freezing tolerance,...
John,I am always impressed with the shear number of palms that you have!I forget, how do you protect your in ground palms?Paul
Hey Tim- Ya, that 'humifusa' is an odd-ball alright. It's a naturalized group of plants near Long Point, Ontario. This is further north and east than ...
These might be worth a look, if they can be found. Principes might be difficult to locate online, however. Larcher, W. & Winter, A. (1981) Frost s...
Jay- What form is that? It looks completely spineless! The Canadian native O. humifusa are somewhat spiny, this one is from the lake Erie shore of Sou...
Here is a research article on the subject:Really interesting stuff. FYI The sites they used ranged from zone 5 (Northern sites) to zone 6 (Southern si...
Yup. Montreal city proper is borderline zone 5a. It is only slightly cooler than Kingston long-term, similar to my location just outside Kingston. Tor...
"I was delighted that Chameadorea radicalis also look good, as does Sabal mexicanum. I plan to give these good protection when I have time...."Thanks ...
That spinless fellow looks like O. ficus-indica to me, but the picture is a little distant. If it is, it should be toasted by temps of ~ -10C to -15C....
Jesse- I often see it rated to the warmer parts of zone 5. This has not been my experience, but I've only got 1 planted and it was planted a seedling ...
Paulownia I do like. Mine dies to the ground each winter. I'm still waiting for the HUGE leaves, however. It does bloom on old wood, and, if I recall ...
It looks like my title for this thread was too long! I also forgot to mention that I asked for scientific articles but no one came forward.
Erik- I planted one out a few years ago. It was small and made it to, perhaps, December. I have another that I'm growing indoors... I don't mean to be...
Thanks for all the pics! The climate there is so different from mine, I find it interesting that the climate zones aren't too different, but my averag...