Keys Ageratum (Ageratum maritimum)

Description:  Perennial wildflower to 1+ ft , often spreading wider than tall, with almost continuous clusters of pastel to bright blue rayless aster flowers. Flowers resemble Blue Mistflower, but leaves are glossy and semi-succulent.

Natural Habitat:  Coastal areas and hammock edges; occurs naturally south of Key Largo; Listed as "endangered" by the State of Florida. 

Planting and Care: Flowers in full sun and some shade. Does well in poor soil. Drought tolerant after establishment.

Pros:  Attractive blue flowers year-round, and frequented by butterflies. An excellent plant for a wildflower garden. Flowers even in shady areas. Drought and salt spray tolerant. Requires no special care. Ideal for coastal areas. 

Cons:  May grow wide by sprawling and rooting at stem nodes.