On Tue, 04 Nov 2003 11:52:57 -0500, "Jim Shaffer, Jr."
opined:

On Tue, 04 Nov 2003 13:33:12 GMT, animaux wrote:

I'm getting confusing info on how they'll grow in Colorado. Some say as an
annual, some say perrenial. Do the species vary that way too?

Not really. Datura are not hardy much further north than USDA Zone 7b and
that's pushing it. They are perennial in 8b where I live, in Texas. They may
not be perennial in 8b in Washington State. It all depends on many
circumstances. They will reseed, that I can assure you.

Here in Pennsylvania on the border of 5b and 6a, I have daturas emerge from the
roots somewhere below ground (all visible stems have died) about every other
year, depending on how cold the winter was and where they're planted. The
shoots that come up are much too large to be seedlings.

I have never bothered to figure out what species it is. It's a white variety
that everyone has had forever, but I don't think it's Jimson Weed. It has
non-scalloped leaves.

Every time I've grown colored varieties they haven't survived the winter, but
they've been in poorer locations.


You're experience is not common. However, you have micro climate and that is
what will determine this situation. I rarely have any return from the original
roots and I live in warm climate winter. I think that may have to do more with
moisture in soil than anything else. We get fall rains and the soil stays
pretty wet most of the winter and can cause the crown of the plant to rot. I'm
never in any shortage of datura of many species.