To begin with, the flowers are much too large.
Iris,

Maybe so "up nawth" but for a fairly large bonsai, they'd be
OK -- especially if you limit how many flowers the vine will
produce. Down here in the deepest south, I have some growing
along my pasture fence line that MUST be 100 feet long, perhaps
more. Their base (when you can find it in the tangle of vines)
is often 6-8 inches in diameter. The flowers are 2/5 - 3
inches -- shaped like trumpets (of course). In at least one
sizeable area, the vine is all that holds the fence up.

Jim Lewis - - Tallahassee, FL - The phrase
'sustainable growth' is an oxymoron. - Stephen Viederman

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