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Semaphore eupatorium, Semaphore thoroughwort
Eupatorium mikanioides
Asteraceae
 

Copyright by: Roger L. Hammer

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

Availability: Grown by enthusiasts.

Description: Medium herbaceous wildflower.

Dimensions: 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.

Plant Map Map of select IRC data from peninsular Florida.

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

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.

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."


Copyright by: Roger L. Hammer

Copyright by: Shirley Denton

Copyright by: Shirley Denton

Copyright by: Shirley Denton


Other data on Eupatorium mikanioides available from:



 
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