American Bush Violet (Browallia speciosa)

American bush violet (Browallia speciosa), also called sapphire flower or amethyst flower, is a tender perennial grown as an annual for its profuse, star-shaped, violet-blue flowers. Native to South America, it's a member of the Solanaceae family and a shade-tolerant bloomer.

Description

Bushy, mounding plant 12–18 inches tall and wide. Leaves are ovate, pointed, bright green. Flowers are 1–1.5 inches, 5-lobed, star-shaped, violet-blue with a white throat. Blooms continuously from early summer to frost. Self-cleaning.

Growing Conditions

• Zones: 10–11 as perennial; grown as annual everywhere.
• Light: Part shade to full shade. Tolerates morning sun. Ideal for shady containers.
• Soil: Well-drained, rich, moist.
• Water: Consistent moisture; don't let dry out.
• Temperature: Cool to moderate; heat causes legginess.

Care & Maintenance

No deadheading needed. Pinch early for bushiness. Feed every 2 weeks with balanced fertilizer. Overwinter indoors in bright shade. Propagate from cuttings or seed.

Uses

Shade containers, hanging baskets, window boxes, shady bedding. Combines beautifully with impatiens, ferns, and white flowers.

Potential Issues

Root rot in wet soil. Whiteflies, aphids. Leggy in deep shade or heat. Generally easy and floriferous.

A shade-loving, nonstop bloomer that brings cool blue tones to dark corners.