https://gardenerspath.com/plants/flowers/grow-morning-glory/ Sow morning glory seeds in late spring or early summer, once the ground has warmed to about 64°F (18°C). CHOOSING AND PREPARING A PLANTING SITE Grow morning glories in a sunny site. They need a lot of sun to bloom their best! Plant in moderately fertile, well-drained soil. Choose a site that is sheltered from strong, drying winds. HOW TO PLANT MORNING GLORIES Germination rates are improved by filing down the seeds just enough to break the coat, then soaking them for 24 hours before planting. This encourages them to send out a root. (They look like little worms!) Cover lightly with ¼-inch of soil. Space about 6 inches apart. Water thoroughly at planting. Apply a balanced liquid fertilizer after planting. Do not over-fertilize, or the vine may grow more foliage than flowers. Support climbers and trailing species with structures like trellises, pergolas, or arches. Tip: Morning glories climb by twining their vines (like peas or beans) around a support, so make sure that whichever type of structure you grow them against has plenty of space for whorling! Morning glories are low-maintenance; just be sure to water during dry periods. Mulch to retain moisture and avoid weeds. If you don’t want the plant to reseed itself, just snip off old flowers before they turn into seedpods. https://www.almanac.com/plant/morning-glories