There are several different species of Datura, not just one, and they don't
all have "jagged" leaves, Missy.
Look it up yourself.
Plants are identified by their flower parts, not their foliage. The plant you
have is Datura inoxia. There are other datura varieties and cultivars which
have different shaped leaves, D.metel has a double flower, D.wrightii is a huge
plant with huge flowers with slightly lavender throats (and I mean slightly).
So, to have a plant identified you'd need to include a photo of the flower, cone
or seed pod. In some cases you can identify by the seed pod, not always.
seeds have to ripen in the pod. Just as the pod starts to crack, it will have
turned brown/tan and then the seeds are ready to harvest. The thorns on the pod
are very sharp and can stick into you quite deeply. The entire plant is toxic
so don't ingest any part of it, wash hands before touching your mouth or face.
I tie a paper bag around the pods as they start to turn brown. If you don't get
seeds, I have tons of them for many types of datura.
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
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.
From the shape of the leaves, it appears to more likely be a moonflower vine
(Ipomoea alba), than datura. Moonflower is a fragrant cousin of morning glory,
but it has huge fragrant, white blooms. Take a look at this webpage and see if
it looks like your flowers (you can't see it very well, but they are trumpet
shaped and at least 6").
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