Water them during dry periods. You also can ask neighbors which kinds have done well for them. Or you can ask your county agricultural agent or your State agricultural college to recommend varieties suitable to your area. Some of the more commonly grown varieties of crabapples are described in this section. Crabapple flowers are single, semidouble, or double.
Single flowers have five petals.
Semidouble flowers have 6 to 11 petals. Double flowers have 12 to more petals. They bloom annually, except in extreme southern areas. Its flowers are single, pinkish white to white, and about 2 inches across. They blossom heavier in alternate years.