However, they are slightly different in appearance. “Mandevilla have large leaves, large blooms, and a vining habit. Dipladenia have a small bloom size on a more compact bush habit,” says ...

By BECKY LIVERMORE, Master Gardener The first annual vines in the ground at our place are sweet peas — Lathyrus odoratur. During a well-organized spring, I start them indoors in pots.