blue moon flower, grows good size , can let it grow on the ground, and fave it grow up something very heavy plant , there are pic of the white ones people have,
yes its a datura , and there called blue , i have them and they have blooms all summer , it looks blue purple , and the white ones are just white, and they open at night , a large flower , i cut mine down when they are done blooming, in late fall , they can get large , and are a heavy plant , i prop mine off the ground,