Cynoglossum

Family: Boraginaceae
Common Name: Hound's Tongue

From temperate zones, these rough-stemmed biennials and short-lived perennials have alternate, simple leaves and terminal, one-sided sprays of small blue, purple or white flowers. The foliage and stems are hairy and the fruits containing the seeds form a prickly burr which can stick to clothing or animal fur.

Species

C. amabile, Chinese forget-me-not, zone 7, is a biennial which grows to 60 cm (24 in), with lance-shaped or oblong leaves and small sprays of pink, blue or white flowers. Clear sky blue flowers are the most often seen.

C. nervosum, zone 5, a perennial to 1 m (3 ft), has lance-shaped or oblong leaves and bright blue flowers.

Cultivation

Cynoglossun+ likes good drainage and sun, though it will tolerate poor quality soil. Propagate from seed, sown in autumn in a garden frame for perennials, in spring in flowering positions for annuals and biennials. Perennials can also he divided in spring.

Climate

There are species suited to various climatic zones.

 
Cymbidium      Cyperus