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Keys ageratum
Ageratum maritimum
Asteraceae
 

Copyright by: Keith Bradley

General Landscape Uses: Wildflower or rock gardens in the Florida Keys.

Ecological Restoration Notes: A somewhat rare element of coastal hammock edges and thickets.

Availability: Grown by enthusiasts and occasionally by native plant nurseries.

Description: Small to medium wildflower.

Dimensions: Typically 10-15 inches in height. Sprawling and usually broader than tall.

Growth Rate: Moderate.

Range: Monroe County Keys; Cuba, Grand Cayman and Belize. In the Monroe County Keys, apparently absent to the north of Windley Key.

Map of select IRC data from peninsular Florida.

Habitats: Coastal hammocks and thickets.

Soils: Moist, well-drained limestone or calcareous sandy soils, with or without humusy top layer.

Nutritional Requirements: Moderate; can grow in nutrient poor soils, but needs some organic content to thrive.

Salt Water Tolerance: Low; does not tolerate long-term flooding by salt or brackish water.

Salt Wind Tolerance: High; can tolerate moderate amounts of salt wind without injury.

Drought Tolerance: Moderate to high; plants growing in extremely dry soils may die during extended periods of drought.

Light Requirements: Full sun.

Flower Color: Heads bright blue.

Flower Characteristics: Showy, 1/4" wide.

Flowering Season: All year.

Fruit: Inconspicuous achene.

Horticultural Notes: Can be grown from seed.

Comments: It is listed as endangered by the state of Florida.


Copyright by: Keith Bradley

Copyright by: Keith A. Bradley

Copyright by: Keith A. Bradley

Copyright by: Keith A. Bradley

Copyright by: Keith A. Bradley


Other data on Ageratum maritimum available from:



 
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