Sisyrinchium angustifolium
Stout Blue-Eyed Grass
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Stout Blue-Eyed Grass (Sisyrinchium angustifolium) - Description
Sisyrinchium angustifolium, commonly known as Stout blue-eyed grass or simply blue-eyed grass, is a herbaceous perennial growing from rhizomes, native to moist meadow and open woodland. It is the most common blue-eyed grass of the eastern United States, and is also cultivated as an ornamental. Range: Eastern Canada and US, west to Texas and Minnesota, in meadows, low woods, and shorelines.
Stout Blue-Eyed Grass (Sisyrinchium angustifolium) - Blooming
Blooms star, cup, or trumpet shaped flowers in a range of colors such as white, yellow, blue, and mauve.
Stout Blue-Eyed Grass (Sisyrinchium angustifolium) - Growth
Does best with full sun exposure. Where Sisyrinchium is not growing hardy, raise plants in a cool greenhouse or alpine house. Cool greenhouses have a minimum temperature of 35ºF (2ºC). During the day, set temperatures between 41-50ºF (5-10ºC), and at night, keep the temperature at 36ºF (2ºC). Where hardy, smaller species work nicely in a rock garden or gravel planting. Taller ones are suitable for a herbaceous border.
Stout Blue-Eyed Grass (Sisyrinchium angustifolium) - Planting
Propagate from the seed. Sow seeds in containers in a cold frame in fall or early spring. Cold frames are protective structures, located outside for propagating and growing plants. Some species self seed freely, like S. californicum, S. graminoides, and S. idahoense. Conduct division in spring. Division entails propagating a plant by splitting it into 2 or more parts. Each part has its own root system and more than one shoot or dormant bud.
Stout Blue-Eyed Grass (Sisyrinchium angustifolium) - Pest
Affected by spider mites, aphids, and rust.
Stout Blue-Eyed Grass (Sisyrinchium angustifolium) - Interesting facts
There around 90 known species in the genus Sisyrinchium, native to North and South America. They are found in a wide range of habitats including mountainous regions, meadows, and coastal sands. Some of the shallow rooted species may die suddenly after some years.
Stout Blue-Eyed Grass (Sisyrinchium angustifolium) - Soil and irrigation
Grows best in soil that is poor to moderately fertile, well-drained, and neutral to slightly alkaline. Protect plants from excessive moisture during the winter.
