Lavender Trumpet Vine?

Westbrook, ME(Zone 5a)

Anyone know what a lavender trumpet vine might be? I got the seeds from a trader & I have no idea what it is. Is it hardy? The only trumpet vine I know is the yellow & orange Campsis radicans. The seeds are brown, about an inch long, flat and papery.

Benton, KY(Zone 7a)

Sounds like Cup and Saucer Vine (cobaea scandens)It's a tender perinnial in z9 I think. I've just grown them as annuals here in KY.
Very pretty,climbs by stickyfeet.
Plant the seed with the edge straight down,not flat.I don't cover it entirely,just leave a little ridge sticking out of the dirt.
They start nicely indoors and transplant well.A very easy plant if they are what I think they are.

Whittier, CA(Zone 9a)

Hmmm...I've heard of Clytostoma callistegioides called violet trumpet vine, but the flowers are more of a lavender or light purple. It is in the bignoniaceae family, and as far as I know, these sort of seeds do tend to fit your description. I checked up on the hardiness and my book says tops are hardy to 20 F, roots to 10 F. You could probably root cuttings to overwinter indoors. This is a widely used perennial vine here in So. Cal. and very pretty when in bloom. The foliage reminds me vaguely of bean foliage. hope this helps! :) good luck with it!

Westbrook, ME(Zone 5a)

Thanks for your help! I don't think these are cobea - I've grown that before and the seeds were more round. Maybe Surf is right with the clytostoma. The seeds did come from California. I'm not a surprise person - I hate fussing with something only find out it won't grow for me. My garden space is too limited for that anymore. I wonder if the clytostoma will flower the first year? I'll do a little research and see what I can find.

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