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Boraginaceae
Lithodora
Lithodora diffusa
Pure sky-blue devotion.
- Family
- Boraginaceae
- Genus
- Lithodora
- Native to
- southwestern Europe
- Bloom season
- Late Spring, Summer
- Type
- evergreen subshrub
- Height
- 10–20 cm
- Sunlight
- full sun
- Soil
- acidic, gritty, well-drained
- Water
- low
- Hardiness
- 6–8
- Lifespan
- long-lived perennial
Did you know
- Its gentian-blue flowers are among the truest blues in the plant world — almost electric in sunlight.
- It hugs the ground in a low evergreen mat, perfect tumbling over rock garden walls.
- It belongs to the same family as forget-me-not, borage, and comfrey — all famous for blue pigments.
- Despite its tough Mediterranean origins, it sulks in heavy clay or alkaline soil — a true lime-hater.
- The cultivar 'Grace Ward' won the RHS Award of Garden Merit for its especially intense flower color.
Color meanings
Blue
radiant fidelity