Perennial Bachelor’s Button (Centaurea montana)

Perennial Bachelor’s Button, also known as Mountain Bluet, is a hardy, clump-forming perennial known for its striking fringed, cornflower-blue blooms with purple centers. Blooming in late spring, it brings a wildflower look to the garden and is loved by pollinators. Its silvery-green, lance-shaped foliage adds texture even after blooming has passed. Easy to grow and drought-tolerant once established, it’s a great choice for cottage gardens, borders, and naturalized areas.

Category

Sun Needs:

  • Full sun to part shade (Best bloom performance in full sun)

Bloom Time:

  • Late spring to early summer (May rebloom lightly later in the season if deadheaded)
Size:

Height: 12 to 24 inches
Width: 12 to 18 inches

Attributes:
  • Unique, fringed blue flowers with strong visual appeal
  • Attracts bees and butterflies
  • Drought-tolerant once established
  • Low maintenance and deer resistant
  • May self-seed mildly but not aggressively
  • Foliage can decline in heat – can be cut back for a fresh flush
Companion:
  • Coreopsis – similar height and bloom time, adds warm tones
  • Salvia – vertical flower spikes contrast well with the fringed blooms
  • Shasta Daisy – clean white flowers pair beautifully with blue
  • Yarrow – hardy and long blooming with flat-topped flowers
  • Poppy – vibrant color mix and natural garden texture
  • Lamb’s Ear – soft silver foliage enhances texture
  • Nepeta (Catmint) – airy look and complementary colors
  • Penstemon – upright growth and tubular flowers attract pollinators

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