Plants with erect, branching stems and narrow leaves produce an abundance of shallow-cupped, five-petaled flowers over a long bloom period. Each bloom lasts only a day, but others keep coming. The flax of commerce—Linum usitatissimum—is grown for its fiber and seeds, which yield linseed oil.
Use in borders; some naturalize freely in uncultivated areas. Light, well-drained soil. Most perennial kinds live only 3 or 4 years and should be replaced regularly. Easy to grow from seed; perennials also can be propagated from cuttings. Difficult to divide.Linum grandiflorum
From North Africa. Grows to 1 1/2–2 1/2 ft. tall and 6–12 in.wide, with narrow gray-green leaves. Summer flowers are rose pink, 1–1 1/2 in. wide. Sow seed thickly in place in early spring or (in mild-winter climates) in fall. Self-sows without becoming a pest and is often included in wildflower mixes.
Wild species (for which seed is available) grows to 2–4 ft. tall (possibly to 6 ft. under ideal ...
Native to South America. Upright, open habit, 2–3 ft. tall and 1 ft. wide. Stems and narrowly ob...
This annual is from South Africa. Popular, dependable edging plant grows to 3–6 in. high. Compac...