Australian natives with minty smelling foliage and an enormous profusion of small flowers, usually in shades of purplish blue or white. Although they tend to be short-lived, they grow quickly and put on a good show. Prune them carefully; avoid cutting into bare wood or doing any other hard pruning. There are many species available; look for them at specialists’ nurseries or at plant sales held by botanical gardens. These plants require excellent drainage.Prostanthera nivea
Grows to 7 ft. tall and 4 ft. wide, with an open-growing habit. White flowers.Prostanthera nivea induta
Upright, compact form. Grows to 6 ft. tall and 3 ft. wide. Narrow, silvery leaves somewhat longer than 1 in. Produces blue flowers in the spring.
Grows to 6 ft. tall and nearly as wide, producing purple-blue flowers in spring. Selections include ‘Ghost Cave’, with grayish green leaves and purple flowers; ‘Glen Davis’, with an especially profuse showing of dark purple flowers; and ‘Rosea’, to only 3–4 ft., with dark green leaves and deep rose-pink flowers.
These Sisyrinchium relatives have dark green, grasslike leaves arising from short, woody rhiz...
Native to the Channel Islands off the coast of Southern California. The species has lobed or scallop-e...
Grows to 7 ft. tall and 4 ft. wide, with an open-growing habit. White flowers.