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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.

Map of select IRC data from peninsular Florida.

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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