This is Mirabilis jalapa, also known as Four O'Clock, and Marvel of Peru. This annual likes to live in full sun, where it grows up to 4 feet tall. Blooming in the middle of the Summer this annual blossoms pink, red, yellow, and white. The aztecs used this plant for medicinal, and ornamental uses. An edible dye can be used from the flowers. It is most commonly used to dye cakes and jellies. The seeds can be crushed down and used as pepper. USDA Hardiness Zones 7 to 11