Sixteen Candles Summersweet

Sixteen Candles Summersweet

Clethra alnifolia 'Sixteen Candles'

This native summersweet bears fragrant white to pink flower spikes in midsummer, one of the few flowering shrubs that blooms reliably in partial to full shade and tolerates consistently moist soil.

  • Fragrant white to pinkish flower spikes appear in mid to late summer, filling the garden with a sweet, spicy scent that carries well in humid conditions.
  • Dark green foliage turns reliable golden-yellow in autumn, one of the most consistent fall colour displays among shade-tolerant shrubs.
  • Mounding habit, reaching 1.5 m at maturity; suckering habit can be managed by removing outer shoots to control spread.
  • Best in full sun to partial shade with moist, well-drained soil.
Size
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Plant Characteristics

Sunlight
Full sun, Partial shade
Soil Moisture
Dry, Moist, Well-drained
Hardiness Zone
4 – 4
Mature Height (meters)
125.0 – 150.0
Mature Spread (meters)
60.0 – 80.0
Growth Rate
Medium
Flower Colour
White
Foliage Colour
Green
Bloom Time
Summer
Habit
Mounding
Fragrant
Growing & Maintenance Tips
Clethra grows naturally in wet places, and prefers acidic soil. It tolerates a wide variety of soils and conditions, including shade and salt. Suckering fairly freely, it may need some maintenance.Even in shade, Clethra will flower profusely, ideal for woodland gardens and rain gardens.

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