Coastal Pepperbush (Clethra alnifolia)

Coastal Pepperbush is a deciduous shrub native to the eastern United States, commonly found in moist woodlands, streambanks, and coastal areas. It is best known for its fragrant, bottlebrush-like spikes of white (or sometimes pink) flowers that bloom in mid to late summer, attracting bees, butterflies, and hummingbirds. Its adaptability to wet soils and shade makes it ideal for rain gardens, naturalized plantings, and woodland edges.

Category

Sun Needs:

  • Full sun to partial shade
  • Best flowering in full sun
  • Tolerates shade, especially in moist environments

Bloom Time:

  • Mid to late summer
  • Fragrant, white or pink flower spikes
Size:

Height: 3 to 8 feet
Width: 4 to 6 feet

Attributes:
  • Fragrant, late-summer blooms
  • Attracts pollinators and supports native wildlife
  • Glossy green leaves with golden-yellow fall color
  • Tolerant of wet soils and salt spray
  • Native to the eastern U.S., especially coastal regions
Care Tips:
  • Prefers moist, acidic, well-drained soil
  • Tolerates clay and sandy soils
  • Water regularly during establishment
  • Mulch to retain moisture and suppress weeds
  • Prune in late winter or early spring to shape or rejuvenate
Pest Watch:
  • Generally pest- and disease-resistant
  • Monitor for leaf spot or mildew in humid conditions

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