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Narrowleaf blueeyed-grass
Sisyrinchium angustifolium

Copyright by: Roger L. Hammer

General Landscape Uses: Wildflower gardens.

Availability: Native plant nurseries. Available in in Boynton Beach at Sustainscape (561-245-5305).

Description: Small herbaceous wildflower.

Dimensions: About 6-18 inches in height. Taller than broad.

Growth Rate: Moderate.

Range: Eastern and central North America west to Texas and south to the Monroe County Keys; Cuba, Mexico. In the Monroe County Keys, disjunct from Miami-Dade County to the pine rocklands of Big Pine Key.

Plant Map Map of select IRC data from peninsular Florida.

 Map of suggested ZIP codes from South Florida north to southern Brevard, Osceola, Polk, and Pasco counties.

 Map of ZIP codes with habitat recommendations from the Monroe County Keys north to Martin and Charlotte counties.

Habitats: Wet pinelands and prairies.

Soils: Seasonally wet to moist, moderately well-drained sandy or limestone soils, without humus.

Nutritional Requirements: Low; it grows in nutrient poor soils.

Salt Water Tolerance: Low; does not tolerate flooding by salt or brackish water.

Salt Wind Tolerance: Low; salt wind may burn the leaves.

Drought Tolerance: Low; requires moist to wet soils and is intolerant of long periods of drought.

Light Requirements: Full sun.

Flower Color: Blue.

Flower Characteristics: Semi-showy.

Flowering Season: Winter-summer.

Fruit: Inconspicuous capsule.

Wildlife and Ecology: Attracts native bees and other beneficial insects.

Horticultural Notes: Can be grown by division.

References: Miami-Dade County Landscape Manual (2005).

Comments: See also the Florida Wildflower Foundation's Flower Friday page. See a 2019 post on the Treasure Coast Natives blog on pollination in narrowleaf blueeyed-grass.

Copyright by: Roger L. Hammer

Copyright by: James Johnson, 2014
In habitat, Larry and Penny Thompson Park,
Miami-Dade County, Florida

Copyright by: George D. Gann, 2015, with Patty
Phares. Base of plant in habitat, Larry and Penny Thompson Park, Miami-Dade County, Florida

Copyright by: Shirley Denton

Other data on Sisyrinchium angustifolium available from:

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