Clethra alnifolia Rosea
Rosea Clethra
Clethra alnifolia ‘Rosea’ is a graceful summersweet valued for its soft blush-pink flower spikes, sweet fragrance, and excellent performance in moist or partially shaded sites. Blooming in mid to late summer, it adds gentle color and scent when many shrubs are past their peak.
Plant Profile
Type: Deciduous flowering shrub
Mature Size:
Width: 4–6 ft
Height: 6–8 ft
Bloom:
Upright racemes of pale pink flowers
Sweet, spicy fragrance
Mid to late summer
Foliage: Medium to dark green; develops yellow to golden bronze fall color
Zones: 4a–9b
Light: Full sun to partial shade (best flowering with some sun)
Soil: Moist to wet, acidic soils; tolerates clay and poor drainage
Water: Moderate to high; prefers consistently moist soil
Features & Uses
Form: Upright, rounded shrub with a natural, slightly spreading habit
Excellent for woodland edges, rain gardens, shrub borders, and naturalized plantings
Softer pink tone than ‘Ruby Spice’, ideal for subtle color schemes
Strong pollinator appeal (bees, butterflies)
Fragrant blooms make it well suited near paths and seating areas
Care Notes
Very low maintenance; prune lightly in late winter or early spring if shaping is needed
Spreads slowly by suckers—can be managed or allowed to naturalize
Mulch to conserve moisture and maintain acidic soil conditions
- Plant type
- Flowering Deciduous Shrub
- Height
- 6-8'
- Width
- 4-6'
- Hardiness zones
- 4–9
- Sunlight
- Full Sun, Partial Shade
- Bloom time
- Early Fall, Fall, Late Summer, Summer
- Flower color
- Hot Pink
- Leaf color
- Green
- Fall color
- Yellow
- Attracts
- Butterflies, Hummingbirds
- Soil
- Acidic, Clay, Loamy
- Shape
- Compact Rounded
- Fragrant
- Yes
- Drought tolerant
- No