Blackroot
Pterocaulon pycnostachyum
Asteraceae


Landscape Uses:

Primarily recommended for natural landscapes and habitat restorations. Also wildflower gardens.

Ecological Restoration Notes:

Availability:
Grown by enthusiasts.
Description:
Medium herbaceous wildflower.
Height:
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.
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.
Wildlife and Ecology:
Horticultural Notes:
Comments:


James Johnson, 2000
In habitat, Miramar Pineland Natural Area,
Broward County, Florida
Roger L. Hammer
Shirley Denton
Shirley Denton
Shirley Denton
Shirley Denton