Common Names: blue stars
Origin: South Africa
Type: Herbaceous perennial
Size: 3 ft high and wide in bloom
Flowers: Deep blue flowers less than 1 in. across on 2.5 ft. branching stalks, early spring through summer and some all year; narrow green leaves to 18 in.
Uses: Woodland gardens, mixed borders, near water gardens, pools, salty air, wind.
Wildlife: Butterflies like. Deer resistive.
Soil: Well-drained, moderately fertile, humus-rich.
Water: Medium to high when in growth and bloom; otherwise just keep moist.
Sun: Full sun; some shade inland.
Pruning: Prune flower stems to prevent self-seeding.
Pests & Diseases: (None found.)
Notes: Individual flowers don’t live long, but new ones appear over long season. Seeds prolifically; may become invasive. Hardy to 20° F.