Linum narbonense 'Heavenly Blue' (Blue flax 'Heavenly Blue')

Cultivation

Plant in humus-rich, well-drained soil in a sunny, sheltered position. Protect from winter wet. Best in a rock or gravel garden. Tends to self-seed.

Suggested uses

Gravel, Containers/Patio, Rock

UK hardiness

H4

USDA zones

Zone 5, Zone 6, Zone 7, Zone 8, Zone 9

Sunset zone

3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

WUCOLS

North-Central Coastal = Unknown
Central Valley = Unknown
South Coastal = Unknown
South Inland = Unknown
High and Intermediate Desert = Unknown
Low Desert = Unknown

Foliage

Deciduous

Habit

Cushion or Mound Forming, Compact

Native to

Garden origin

Drought tolerant

No

Flood tolerant

No

Toxicity

All parts are poisonous if ingested. Seeds are highly toxic if uncooked. Contact with skin may cause irritation or allergic reaction.