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Savanna iris, Prairie iris
Iris savannarum
Iridaceae
 

Copyright by: Roger L. Hammer

General Landscape Uses: An excellent groundcover for water gardens and along pond and lake margins.

Availability: Widely cultivated.

Description: Medium herbaceous wildflower.

Dimensions: About 2-3 feet in height. Forming small clumps about as broad as tall.

Growth Rate: Moderate.

Range: Southeastern United States north to Missouri, west to Texas and south to Palm Beach, Glades and Collier counties. In Palm Beach and Martin counties, native to the Dupuis Reserve and J.W. Corbett Wildlife Management Area.

Plant Map Map of select IRC data from peninsular Florida.

 Map of suggested ZIP codes north to Indian River and Manatee counties.

 Map of ZIP codes with habitat recommendations north to Martin and Charlotte counties.

Habitats: Swamps, marshes and wet prairies.

Soils: Wet to moist, poorly-drained to moderately well-drained organic soils.

Nutritional Requirements: High; requires rich organic soils for optimal growth.

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 to light shade.

Flower Color: Purple.

Flower Characteristics: Showy.

Flowering Season: Spring.

Fruit: Capsule.

Wildlife and Ecology: Provides food for birds.

Horticultural Notes: Can be grown from seed or divisions.

Comments: See also the Florida Wildflower Foundation's Flower Friday page.


Copyright by: Roger L. Hammer

Copyright by: Shirley Denton

Copyright by: Shirley Denton

Copyright by: Shirley Denton


Other data on Iris savannarum available from:



 
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