Heavenly Blue MG blooming, but not growing

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ginadruber Syracuse, IN(Zone 5b) Jun 24, 2012

I have always admired Morning Glories and decided this year that I had a good spot to try a couple of plants out to see how they would work for me. I'm in zone 5b, Northern Indiana. Well, so far, they have not worked very well.

I planted three Heavenly Blue MG in mid-May that I purchased at my local nursery - they were very healthy and approximately 8-10" in height. Unfortunately, they are still 8-10" in height. The good news is that they are blooming beautifully and the plants look healthy. The spot I planted them in gets approximately 6-8 hours of sun and I have been watering the area 2 to 3 times per week. I have not fertilized or done anything special. Our growing season this year has been unusual in that it has been unseasonably warm - mostly in the 90's all this month - and we have had NO rain (less than 1/2"). We aren't used to this type of weather in Northern Indiana. Neither are my poor plants!

What has gone wrong? The only thing I can figure is that they aren't getting enough sun because they get some shade from some neighboring lilac bushes. I'm obviously not an expert re: morning glories, so I thought I'd ask the experts. Thank you in advance for your advice!

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patootie Jacksonville, AR(Zone 7b) Jun 25, 2012

Gina, no experts here so I'm sure thats the reason no one has tried to answer. Its not a lack of sun,
my glories on the front porch bloom for over a month with no sun.
90 degrees is plenty warm enough so its not the temps. I'm puzzled about the lack of growth in height. I guess it wouldn't hurt to add some fertilizer, a balanced type, 20-20-20 and see if that helps. You can switch over'to the bloom booster fert after you get vertical growth or the 15-30-15 that I like to encourage blooms.
Be sure and let the vines dry out a little between waterings
Very perplexing, 1st time I've ever heard of such a thing, ;-)

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