Costa Farms


Passionate about plants? So are we! Costa Farms is a wholesale grower that discovers, develops, and grows plants for your home and life -- indoors and out. We’re your online gardening resource for plant info and inspiration. Our articles, blogs, tips, and photos help you use plants to beautify your living spaces and enhance your life.

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Blue-Eyed Grass

Sisyrinchium angustifolium

Blue-Eyed Grass Plant Features

Blue-eyed grass is an adorable spring-blooming perennial flower native to areas of Southeastern North America. It's both easy to grow and charming, making it a longtime favorite plant. It has earned its common name because the thin foliage looks like blades of grass. In late spring and early summer, those clusters of leaves are accented by clusters of blue, purple, or white flowers.

A relatively small perennial, blue-eyed grass is wonderful in the front of the border or in container gardens where its foliage adds a fun, contrasting texture to other flowers.

Blue-Eyed Grass Questions?
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Blue-Eyed Grass Growing Instructions

Grow blue-eyed grass in full sun or part shade and moist, well-drained soil. It likes lots of organic matter in the soil, so add compost at planting time to help it thrive. Because blue-eyed grass doesn't like droughty conditions, spread a layer of mulch over the soil after planting to help keep the soil cool and moist into the summer.

If you wish, you can cut back blue-eyed grass in autumn, after freezing temperatures have turned the foliage brown. You can also leave it over winter -- it's up to you.

Blue-eyed grass doesn't require regular fertilization to stay happy, especially if you grow it in a soil rich in organic matter. 

  • Light

    Outside: Part sun
    Outside: Sun

  • Colors

    Blue, White

  • Water

    Medium water needs

  • Special Features

    Attracts butterflies

Varieties: Our Favorites

Sisyrinchium angustifolium 'Lucerne' Lucerne Blue-Eyed Grass

Sisyrinchium angustifolium 'Lucerne'

Lucerne blue-eyed grass is an easy-growing variety that features blue flowers in late spring and early summer. It grows 12 inches tall and wide. Zones 4-8