Lobelia erinus
Edging Lobelia

A compact, showy annual with a mounding, cascading growth habit. Loose clusters of semi-tubular flowers are available in blue, dark-blue, pale sky-blue, lilac-pink, rose-pink, or white. Leaves are narrow, green, and sometimes tinged with bronze. Attracts butterflies and hummingbirds. Used for borders, hanging baskets and window boxes.

USDA zones: 10 - 11, or all zones as an annual
Sunset zones: all zones as an annual
Mature size: 3 - 9 inches high and 3 - 18 inches wide
Light needs: full sun to part shade
Water needs: regular water