Morning glories need well draining soil—neither too sandy, in which case water would run through it, nor too thick/composted which would cause water to puddle and not drain. They like a soil pH of 6.0 to 7.5 (see that and more here: http://www.almanac.com/content/ph-preferences)
Morning glories need well draining soil—neither too sandy, in which case water would run through it, nor too thick/composted which would cause water to puddle and not drain. They like a soil pH of 6.0 to 7.5 (see that and more here: http://www.almanac.com/content/ph-preferences)