Can also be grown in containers.
Blooms continuously from spring until first heavy frost. Great ground cover and filler plant. Enjoys morning sun and afternoon shade in my beds. Although it spreads, it is easy to dig up.(San Antonio, Tx.)
Desert petunia, blue shade (Ruellia brittoniana) growth habit, new leaves and different lighting. They can appear a grayish green due to the fine hairs on the leaves.
A close view of blue shade (Ruellia brittoniana) ... note the fine hairs on the leaves.
Desert Petunia zone 9B makes a nice ground cover in shady area