Adelinia grandis aka Pacific Hound's Tongue

Adelinia grandis belongs to the borage family, Boraginaceae. It is a perennial, which means it lives for years. The supplied garden records name it Cynoglossum grande. Its common name is Pacific hound's tongue. It grows wild from western Canada into the western United States. Records list British Columbia, Washington, Oregon, and California. It grows in woods in this temperate, or mild, region. It is not native to Britain or Ireland.

Plants reach about 2.6 feet [0.8 metres] in height. This gives gardeners a guide to their full height. The supplied records do not state their full spread. They give no leaf, stem, or fruit details for this species. The flowers bloom from April to May. Each flower has both male and female organs. Insects move pollen between the flowers. The evidence gives no flower colour or shape for this species.

In gardens, it prefers deep, rich soil that stays moist. The soil must drain well and not stay soaked. It can grow in plain garden soil that drains well. It accepts sand, loam, and clay soils. Its stated pH range runs from slightly acid to slightly alkaline. It can grow in sun or light woodland shade. Its listed garden uses include spots with patches of shade. They also include shaded edges of woods. It prefers moist soil.

PFAF lists USDA hardiness zones 7–10 for this species. It also says the plant can stand about −5 to −10°C. Its notes warn against planting in Britain's coldest areas. Gardeners can grow plants from seed under glass. The suggested times to sow are autumn, late winter, and spring. At 20°C, seeds may sprout within one to three weeks. The source says to plant out in mid-spring or autumn. It also cites a report that favours sowing in place. This means sowing where the plants will grow.

PFAF lists the cooked root as a part people can eat. It gives the plant a low rating for food use. Records also note past use of the root as medicine. These uses include dressings for burns and scalds. Other records list its use for stomach pain and venereal disease. These past uses do not prove that the treatments work. PFAF reports no known hazards. But it gives no full review of the plant's safety. It lists no other uses and flags no risk of weed growth. The supplied evidence gives no pest or disease details for this species.