Dipladenia and Mandevilla are tropical plants with beautiful showy flowers. The blooms can be red, pink, or white, depending on the variety, and will be trumpet-shaped, reminiscent of a hibiscus. Both plants are hardy popular annuals in northern regions where they can be overwintered. Dipladenia is actually a member of the Mandevilla family. It is widely thought that Mandevilla and Dipladenia are the same plants. While they are similar, Dipladenia foliage is somewhat smaller and the plant is more shrub-like. However, both plants have the same care and growth requirements. These gorgeous vining plants have soared in popularity and can be used in mixed containers, hanging baskets, or in their own container. They are easy to grow and should flower all season long.