Dianthus amurensis is a short-lived perennial dianthus that is similar to Dianthus chinensis except for its perennial habit and purple-pink flowers that are often solitary. It is native to the Amur River region of Siberia. Genus name comes from the Greek words Dios meaning "of Zeus" and anthos meaning flower. Specific epithet means from the Amur River area in eastern Asia.
'Siberian Blue' (frequently sold in commerce as 'Siberian Blues') is an Amur pink cultivar that produces reddish-violet to lavender-blue flowers on stems rising to 30 cm tall over a bushy sprawling mound of lance-shaped green leaves (each to 5 cm long). Flowers bloom solitary or in three-flowered inflorescences. Flowers typically bloom from late spring to frost. This is a striking dianthus that is eye-catching and unusual. The lilac-coloured flowers form a wonderful display in a garden bed or in a rockery.
Amur pinks are short-lived perennials that may be grown from seed. They are best grown in gritty, medium moisture, well-drained soils in full sun. Drought tolerant once established. Start seed indoors 6-8 weeks before last spring frost date. Set out seedlings and/or purchased plants 1-2 weeks before last spring frost date. Plantings are less apt to burn out in poorly drained soils or in hot and humid summers than some other species of dianthus. Deadhead spent flowers to prolong bloom. When flowering declines, plants may be sheared to promote additional bloom.
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