Plant of Ruellia Brittonia, Mexican Petunia the variety is Chi Chi. This is a drought resistant perennial for zones 8 and above. The plant also known as Mexican Petunia that is pink is a very hard to find color in this plant. The plants when covered with masses of these 1 inch flowers, give your garden a bright spot always. They grow to 30 inches and can fill in a dry and sunny area in no time at all. They are in blossom from May thur October with almost continuous blooms. This plant does reseed and also forms runners for extra plants.