Clethra alnifolia 'Hummingbird'


Tips for Homeowners:

Might need to prune for shape in early spring, and at the same time it is best to apply a slow-release fertilizer.

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'Hummingbird' is perfect for the home garden with its numerous white flowers in the summertime.

  • Ideal compact size for small gardens
  • Sweetly fragrant, white flowers
  • Attracts butterflies

Prefers moist soils in situations like shrub borders, woodland gardens, perennial gardens or along foundations. Grows best in eastern, central Kansas.

Height: 2-4 ft
Spread: 3-5 ft
Zone: 3-9
Color: White

Interesting Notes about Summersweet:

Clethra is a shrub that grows naturally in moist soils and in the landscape it appreciates the same treatment. If the soil gets too dry it may drop some leaves. The shrub naturally suckers (sends out new sprouts from the trunk) and will spead in an area if allowed.

Characteristics & Attributes


  • Fragrant
  • Low Maintenance
  • Specimen
  • Mass Planting
  • Focal Point
  • Border or Bed
  • Great Foliage
  • Long Blooming
  • Naturalizing

Foliage Color:

  • Green
  • Yellow


  • Full Sun
  • Partial Sun

Attracts Wildlife:

  • Attracts Butterflies

Critter Resistance:

  • Deer Resistant


  • Upright

Season of Interest (Flowering):

  • Fall
  • Summer

Soil Moisture:

  • Moist, Well-Drained