Semaphore eupatorium, Semaphore thoroughwort
Eupatorium mikanioides
Asteraceae


Landscape Uses:

Primarily recommended for natural landscapes and habitat restorations.

Ecological Restoration Notes:

Availability:
Grown by enthusiasts.
Description:
Medium herbaceous wildflower.
Height:
About 1-2 feet in height. Taller than broad.
Growth Rate:
Moderate.
Range:
Endemic to Florida from Miami-Dade and Collier counties north to the Florida Panhandle.
Habitats:
Pinelands, prairies and marshes.
Soils:
Wet to moist, seasonally inundated sandy or calcareous 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:
Whitish or pinkish; the inflorescence appearing greenish.
Flower Characteristics:
Semi-showy inflorescence.
Flowering Season:
Summer-fall.
Fruit:
Inconspicuous achene.
Wildlife and Ecology:
Horticultural Notes:
Can be grown from seed.
Comments:
The leaves are held out parallel to each other, thus the part of the common name "semaphore."


Roger L. Hammer
Shirley Denton
Shirley Denton
Shirley Denton