Mexican Petunia, Purple flowers, TEN plants allseasonsgardenshop09 We do NOT ship to Hawaii, Puerto Rico or California. Mexican Petunia, Purple Ruellia brittoniana Mexican petunia is easy to grow under most conditions. These plants will produce blooms in almost any type of soil, and are resistant to both drought and wet conditions as well. Mexican petunias are perennial shrubs, which can grow as tall as three feet, but in cold climates Mexican petunias can be grown as annuals that must be replanted every year. There are also some dwarf species available, which will grow only to less than one foot. With minimal care and supervision, these plants produce attractive, tubular flowers which are generally bluish or purple in color, and similar in appearance to common petuniaseven though the two plants are not related. These plants are very attractive to butterflies, which makes them popular choices in many yards This listing is for 10 plants in 2.5" containers (as shown in pictures).