'Blue Flax' or 'Prairie Flax' (LY-num)
This Flax is upright growing with much branched stems. Perennials with narrow leaves and an abundance of cup-shaped, blue flowers that bloom late May to September. A fast-growing perennial that re-seeds itself and has moderate water requirements. It displays a moderate tolerance to salt and alkali soils too. Grow in light, well drained soils in full sun.