Water in thoroughly. Spacing: Flax spreads and naturalizes over time through seed dispersal. Planting: You may plant flax in the early spring or in temperate climates, in the late summer/early fall to overwinter. Flax is a hardy plant and will not be harmed by late frosts in the spring.

Does blue flax spread?

Blue flax is a western U.S. native plant that will naturalize in open, sunny or partly shaded areas. In summer, the flowers produce seedpods that ripen and dry. When ripe, the seeds scatter and germinate. To encourage this native wildflower to spread, allow the flowers on the plant to go to seed naturally.

Is blue flax native to Canada?

Linum lewisii (Linum perenne var. lewisii) (Lewis flax, blue flax or prairie flax) is a perennial plant in the family Linaceae, native to western North America from Alaska south to Baja California, and from the Pacific Coast east to the Mississippi River (USDA Plant Profile: Linum lewisii).