Blue Flax Seeds 6925 (Linum perenne). Blue Flax is a short lived perennial that is best sown outdoors as it does not transplant well. Pretty sky-blue flowers 2.5 cm (1″) across, are produced in large numbers on 25-30 cm (10-12″) tall plants with fine textured gray-green foliage. Some plants can reach 60 cm (2′) height. Linum self-seeds readily. Perennial reliably hardy to Zone 5, but can sometimes persist in Zone 4 with winter protection. Native to Europe and Asia, Blue Flax grows best on medium to light soils in full sun. Tends to root poorly in clay dominated soils which can lead to winter survival problems.
How to Grow
645 seed/gram. Best started directly outdoors as it does not transplant well. Sow seed from mid April through to the end of June for blooms in late summer. Broadcast seed and cover with a light sifting of soil. Water regularly to encourage germination. When grown in a suitable location, blue flax self-seeds very readily.