Flax 'Heavenly Blue'
A delightful perennial flax producing masses of sky-blue, saucer-shaped flowers from late spring into summer. Its fine, airy foliage forms a graceful mound, making it perfect for rock gardens or borders. Drought-tolerant once established and attracts pollinators.
Sun: Full sun.
Soil: Well-drained.
Hardiness: H4 — down to −10°C.
Flowering: May, Jun, Jul.