Japanese Morning Glory 'Double Blue Picotee'

I have tried 3-4 times to grow these M.G. and finally got one to grow in a conainer. I had done the24 he soak and planted most of t...Read Morehem along a fence that had Grandpa Ott plus 2 other type that I had planted years before an had come back as volunteers. These were already coming up and simply outgrew the Picotee. I noticed an unidentified vine growing in my rose pot. I let it grow then contacted Outsidepride, where I bought the seed from. They helped me identify it because the leaves looked so much different than the other M.G. It has grown up a chain I hooked to my post. However I don't think it will blossom as it is getting close to our frost season. I may tack up clear plastic to prolong its life as I want to see what color it is. I had planted Blue, red, and a black morning glory,( not a picotee) but am not sure what went here.
I live in Twin Falls,Idaho which is a zone 6 so the frost could come at anytime.
Does anyone know if it has to reach a certain height of run out of climbing space before it blooms?

I planted morning glory...soaked seed overnight...and then sowed em...seedling came out in 3 days...bit now they wont grow beyond that..t...Read Moreheir stem r long and have ony two small leaves...thy grow beyond thaydopls help...

I grow these as an annual by seed. You have to soak the seeds for 24 hours before planting them, that breaks the seed pod that the actua...Read Morel seed is encased in. After 3 years I notice it does get bigger, I take seeds off of my own plant and every year the number of seeds has steadily increased. Also the double blooms (mostly single blooms the first year) become more pronounced. It just takes time to establish.

I was really quite unimpressed with these; maybe I just had a bad batch of these or something. I got them in a trade; maybe they weren't...Read More labeled correctly, but they said 'double blue picotee'. I planted them, and waited and waited and waited (you get the picture) and finally, like 5 months later, when I'd forgotten I'd planted them, I noticed these weird purplish blue things in one of my containers. I thought it was a piece of paper or something...The plants had finally sprouted, but never vined out at all, and were blooming on tiny 3" tall bushes. They're definately morning glories allright, but the whole plant was honestly about the size of a bedding pansy. Like from a six pack. Don't get me wrong, I love morning glories, and will grow them again, just not this variety. I must say, though, that the flowers actually did look like the ones pictured above, but were about the size of a golf ball. Not big like many other types of morning glories.