Ageratum maritimum

Photo by Virginia Overstreet. Photograph belongs to the photographer who allows use for FNPS purposes only. Please contact the photographer for all other uses.

Natural Range in Florida
USDA Zones

Suitable to grow in:
10A 10B 11 

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Seaside Ageratum, Cape Sable Whiteweed


Also known as Ageratum littorale

Plant Specifics

Size:Typically 1 to 2 ft tall.
Life Span:Annual to short-lived perennial
Flower Color:Blue, lavender
Phenology:Blooms year-round in south Florida.
Habitats:Coastal hammocks and thickets. Roadsides and other disturbed areas.


Recommended Uses:Wildflower garden.
Light: Full Sun,  Part Shade
Moisture Tolerance:
always floodedextremely dry
Moisture Tolerance: Somewhat moist, no flooding ----- to ----- Very long very dry periods
Salt Water Flooding Tolerance:Tolerant of occasional/brief inundation such as can occur in storm surges.
Salt Spray Tolerance:Moderate. Tolerant of salty wind and may get some salt spray. Exposure to salt spray would be uncommon (major storms).
Soil/Substrate:Lime rock, Sand



Attracts butterflies and bees.