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Coastal Witch-Alder

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Coastal Witch-alder (Fothergilla gardenii) is a compact, slow-growing deciduous shrub (2–6 ft. tall) prized for its 3-season interest, including fragrant white bottlebrush flowers in early spring. Native to the Southeast US, it features leathery, blue-green leaves that turn brilliant yellow, orange, and red in fall. 
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Key Characteristics
  • Flowers: Aromatic, white,, honey-scented, 1–3 inch spike-like flowers (actually stamens, not petals) that bloom before leaves emerge in early spring.
  • Foliage: Deciduous, alternate, broad, leathery, and dark blue-green.
  • Fall Color: Known for vibrant fall foliage, often displaying red, orange, and yellow on the same plant.
  • Form: A slow-growing, mound-shaped, rounded, or upright shrub, usually reaching 3 to 5 feet, though sometimes smaller.
  • Habitat: Naturally found in wet savannas, pocosins, and bogs, indicating a love for moist, acidic soil. 
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Growing Conditions & Uses
  • Light: Performs best in full sun (for maximum flowers and fall color) to partial shade.
  • Soil: Requires moist, acidic, well-drained, organically rich soil.
  • Maintenance: Low maintenance, generally no serious pests, though it may be affected by poor drainage.
  • Uses: Excellent for small gardens, foundation plantings, woodland gardens, and for attracting pollinators.
  • Hardiness: Zones 5a to 8b.




 



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Southern Arboretum 2026-04-16 16:46:09