They are so sweet looking. Mine are only about six inches high at this time in Zone 5. They are nice because they stay open slightly longer than morning glory. Durgan.
It is not too late to plant the seeds. Soak ovenight to speed up germination if taking this route. Durgan.
Yes, you are so right. I never looked closely. http://www.durgan.org/29%20May%202006%20Devil's%20Trumpet/HTML/