Linum nanum Sapphire
Sapphire Dwarf Flax
Linum nanum ‘Sapphire’ (Dwarf Flax) is a compact, fine-textured perennial with a low, mounded habit, featuring slender, needle-like green foliage and abundant clear sky-blue flowers that bloom over an extended period from late spring into summer. The delicate, airy appearance and continuous bloom make it a standout in sunny, dry gardens.
Type: Perennial
Mature Size: 12–18" W × 8–12" H
USDA Zones: 5a–9b
Form: Low, mounded
Light: Full sun
Soil / Water: Well-drained, sandy or rocky soils; low water, drought tolerant once established
Bloom Time / Length: Late spring through summer; extended bloom (6–8+ weeks)
Wildlife: Bees
Features & Landscape Uses:
Excellent for rock gardens, borders, edging, and containers. The fine foliage and bright blue flowers add soft texture and color to dry, sunny plantings. Works well in mass plantings or mixed with other drought-tolerant perennials.
Care:
Requires excellent drainage—avoid heavy or wet soils. Deadheading can encourage continued blooming. Cut back lightly after flowering to maintain a tidy form. Very low maintenance once established.
- Plant type
- Perennial
- Height
- 8-12'
- Width
- 12-18"
- Hardiness zones
- 5–9
- Sunlight
- Full Sun
- Growth rate
- Fast
- Bloom time
- Late Spring, Summer
- Flower color
- Blue
- Leaf color
- Green
- Fall color
- Green
- Attracts
- Bees
- Soil
- Rocky, Sandy, Well Drained
- Landscape use
- Border, Container, Rock Garden
- Shape
- Low Mounding
- Fragrant
- Yes
- Drought tolerant
- No