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Blackroot
Pterocaulon pycnostachyum
Asteraceae
 

Copyright by: Roger L. Hammer

General Landscape Uses: Primarily recommended for natural landscapes and habitat restorations. Also wildflower gardens.

Availability: Grown by enthusiasts.

Description: Medium herbaceous wildflower.

Dimensions: About 1-2 feet in height. About as broad as tall.

Growth Rate: Moderate.

Range: Southeastern United States west to Texas and south to the Monroe County Keys; West Indies. 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 north to Indian River and Manatee counties.

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

Habitats: Pinelands.

Soils: Moist, 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: High; does not require any supplemental water once established.

Light Requirements: Full sun.

Flower Color: White.

Flower Characteristics: Showy.

Flowering Season: Spring-fall.

Fruit: Inconspicuous achene.


Copyright by: Roger L. Hammer

Copyright by: James Johnson, 2014
In habitat, Miramar Pineland Natural Area,
Broward County, Florida

Copyright by: Shirley Denton

Copyright by: Shirley Denton

Copyright by: Shirley Denton

Copyright by: Shirley Denton


Other data on Pterocaulon pycnostachyum available from:



 
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