Wax begonias are a staple in a shade garden, and add a fabulous splash of tropical color to your porch or windowsill. Their name comes from the waxy gloss of their ovate leaves. They produce clusters of white, red and pink petals, peppered with tiny yellow stamens in the center. This annual can reach up to 6 to 12” tall and wide. Begonias prefer shade to part shade. Zone 9+ hardiness for this annual.