Sisyrinchium angustifolium 'Devon Skies'

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Key characteristics

Family: Iridaceae
Height: 10 to 14 in
Width: 8 to 12 in
Flower color: Clear sky blue to lavender-blue petals with a bright yellow eye, creating a star-like appearance
Foliage color: Narrow, grass-like leaves in medium to deep green
Bloom time: Late spring to early summer
Light: Full sun to partial shade
Water: Moderate
Maintenance: Low; shear lightly after flowering to refresh foliage
Growing zone: USDA zones 4 to 8
Wildlife: Bees, butterflies, and other pollinators

Groundcovers

Sisyrinchium angustifolium 'Devon Skies'

Devon Skies Blue-eyed Grass

Sisyrinchium angustifolium 'Devon Skies' produces clear sky-blue flowers with golden yellow centers held above slender, grass-like foliage. Blooms appear in late spring and often continue into early summer, opening in sunlight and closing on cloudy days. Narrow, upright leaves form tidy clumps that maintain a clean, linear presence through the growing season. The flowers are star-shaped with well-defined petals, creating a crisp, luminous effect that reads clearly even at a distance.

Light

Full sun to partial shade

Water

Moderate

Bloom time

Late spring to early summer

Find this plant

Works well in

Rock Gardens
Borders
Pathways & Walkways
Pollinator Gardens

Companion plants

Thyme · Heathers · Gaillardia · Penstemons · Potentillas · Catmint

Design tip

Scatter repeating clumps through sunny borders to create a natural rhythm that feels light and effortless. Blend the fine foliage with broader leaves and airy flowering perennials, allowing the blue blooms to punctuate the planting with seasonal color and movement.

Printable plant sheet (PDF)