Moonflower
By Cynthia
Michigan,
United States 
This is the 3rd and probably last year I will attempt to gow moonflowers. Each year I get beautiful big green leaves but not one flower?
23 Sep, 2009
Previous question
There are loads of people on this site who grow Ipomea successfully - sadly, I'm not one of them. I have had the same experience as you - lots of leaves, no flowers. Hopefully, someone else might know the secret - though all the research I've done hasn't revealed any kind of "secret" to get them to flower. Sorry I can't be more help.
23 Sep, 2009