Answer: I've too often run into this same problem because my garden soil is too rich and fertile! The vines grow lush and huge, but they do not bloom until the end of the summer. For best results with morning glories, sow seed outdoors after danger of frost. Choose a site with marginally fertile soil and, once the plants are up and growing well, water only lightly, as they tolerate drought fairly well. I hope this makes a difference for next year!
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