Western blue-eyed grass (Sisyrinchium bellum)

Western blue-eyed grass

Also known as: Rocky Point Blue Eyed Grass

Western blue-eyed grass is a perennial flowering grass native to California. It reseeds easily and can also be grown from rhizomes. This plant grows small purple-blue flowers and is summer-drought tolerant, making it a nice choice for border edges and tree lines.

Scientific classification

Species

Western blue-eyed grass (Sisyrinchium bellum)

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Herb

Plant Type

Spring, Early summer

Bloom Time

10 cm to 41 cm

Plant Height

10 cm

Spread

Green, Blue

Leaf Color

2.5 cm

Flower Size

Blue, White, Purple

Flower Color

Evergreen, Semi-evergreen

Leaf type

Images of Western blue-eyed grass

Distribution of Western blue-eyed grass

Distribution Map

Western blue-eyed grass is primarily native to major regions in North America. It's established in its native range, thriving in a variety of habitats. Outside its natural zones, western blue-eyed grass has been introduced to other locales and is sometimes cultivated for its ornamental value, adapting to similar climates and conditions as found in its original habitat.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Variable, but mostly open, grassy places below 3000 ft

Hemisphere Trend Curve

Northern

Sorthern

Culture

Symbolism

Psychic powers, Protection. It symbolizes food, concealment and hardiness.

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Toxicity

The entire western blue-eyed grass plant is mildly toxic to humans, cats, and dogs. Ingestion can cause gastrointestinal issues such as nausea, vomiting, and diarrhea, while contact may result in skin irritation or allergic reactions. Immediate veterinary care is critical if pets consume western blue-eyed grass.

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Quickly Identify Western blue-eyed grass

Narrow, bluish-green, grass-like leaves

Metallic purple-blue, six-petaled flowers with yellow centers

Dark brown fruit releasing abundant seeds

Clump-forming perennial reaching 6 to 12 inches (15 to 30 cm) in height

Umbrella-like clusters of vibrant flowers on branched stalks

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Care Guide for Western blue-eyed grass

Every 1-2 weeks

Water

Full sun

Sunlight

20 - 38 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Western blue-eyed grass prefers well-drained soil and consistent moisture, with watering every 1-2 weeks depending on the environment. While it tolerates occasional dryness, adequate watering during the growing season promotes healthy foliage and blooms, especially in temperate climates.

Fertilize: To promote optimal blooming of western blue-eyed grass, fertilize with a high phosphorus formula every 4-6 weeks during spring to early summer. Avoid over-fertilization to prevent reduced flowering and environmental harm, adjusting frequency as seasonal changes dictate for enhanced vigor and bloom quality.

Pruning: Western blue-eyed grass requires minimal pruning, focusing on removing dead foliage in early spring and spent flowers to discourage self-seeding. Late winter pruning can shape the plant and control height. Regular maintenance promotes healthier blooms while respecting its natural growth habit.

Propagation: Western blue-eyed grass should be divided every few years to prevent overcrowding and encourage growth. When dividing, carefully separate the root ball and replant at the original soil depth, ensuring each clump has healthy roots to support successful establishment and minimize root disturbance.

Repotting: Western blue-eyed grass thrives when repotted every 2-3 years in spring to align with its growth cycle. Use a larger container for root expansion, provide well-draining soil, and maintain consistent moisture without waterlogging for optimal recovery and vitality.

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Images of Western blue-eyed grass

Distribution of Western blue-eyed grass

Culture

Toxicity

Quickly Identify Western blue-eyed grass

Care Guide for Western blue-eyed grass

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