Amethyst Dream Bachelor Button — Centaurea montana 'Amethyst Dream'

Amethyst Dream Bachelor Button (Centaurea montana 'Amethyst Dream') is a clump-forming herbaceous perennial with upright stems and gray-green foliage. Shaggy, thistle-like royal purple flowers bring rich color to the garden from late spring into summer.

Plant in full sun and dry to medium, well-drained soil. Deadheading may encourage a light repeat bloom.

Growing details

• Plant type: Herbaceous perennial
• Mature height: 1–2 feet
• Mature spread: 2–2.5 feet
• Spacing: Approximately 2 feet apart
• Hardiness: USDA zones 3–8
• Light: Full sun
• Soil: Dry to medium, well-drained soil
• Flowers: Royal purple, thistle-like blooms
• Bloom season: Late spring into summer

Care and garden use

This low-maintenance perennial is drought tolerant. It can spread rapidly in rich soil, so allow room and monitor its growth. Remove spent flowers to encourage possible rebloom.

Use in borders, grouped plantings, naturalized areas, rock gardens, foundation beds, or containers with good drainage. Pair with catmint, sedum, or aster where growing conditions suit each plant.

Image credits: Prides Corner, Centaurea 'Amethyst Dream'; BallSeed Inc, Centaurea montana Amethyst Dream. Plants naturally vary in appearance and may differ from the images shown.