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Summersweet

Clethra Alnifolia

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Overview

Summersweet, Clethra alnifolia, thrives in USDA zones 4-9 with a mature height of 3-8 feet and a spread of 4-6 feet. This deciduous shrub features fragrant, white-to-pink blooms in late summer, serving as a pollinator magnet. Plant in full sun to part shade in moist, acidic soil. Excellent for rain gardens or naturalized areas, it adds multi-season interest with its fall foliage and exfoliating bark.

Sun Full, Half, ShadeWater HighZones 3–9Type Shrub
Summersweet (Clethra Alnifolia) — shrub for full or half or shade; supporting local wildlife

Culture

Sun
Full, Half, Shade
Water
High
USDA zones
3–9

Shape & size

Mature height
3–8 Ft.
Mature width
4–6 Ft.

Classification

Type
Shrub
Family
Clethraceae

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Photos (110)

Summersweet (Clethra Alnifolia) — Excellent for rain gardens or naturalized areas
Summersweet (Clethra Alnifolia) — that offers multi-seasonal interest to any landscape design; shrub with white blooms, image 89
Summersweet (Clethra Alnifolia) — it thrives in USDA hardiness zones 3 through 9; well-drained soils but capable of withstanding periodic, image 64
Summersweet (Clethra Alnifolia) — that offers multi-seasonal interest to any landscape design; shrub with white blooms, image 62
Summersweet (Clethra Alnifolia) — when many other plants have completed their bloom cycle; thrives in USDA zones 4-9 with a mature height of 3-8 feet and a
Summersweet (Clethra Alnifolia) — upright spikes of fragrant white or pink flowers emerge
Summersweet (Clethra Alnifolia) — supporting local wildlife; plant in full sun to part shade in moist, acidic soil, image 78
Summersweet (Clethra Alnifolia) — flourishing in either full sun or partial shade; this broadleaf shrub is relatively low maintenance
Summersweet (Clethra Alnifolia) — Plant in full sun to part shade in moist, acidic soil
Summersweet (Clethra Alnifolia) — upright spikes of fragrant white or pink flowers emerge; its upright and slightly rounded form lends a structured, image 72
Summersweet (Clethra Alnifolia) — shrub for full or half or shade
Summersweet (Clethra Alnifolia) — scientifically known as Clethra alnifolia; summersweet is particularly forgiving of various soil conditions
Summersweet (Clethra Alnifolia) — shrub with white blooms
Summersweet (Clethra Alnifolia) — it adds multi-season interest with its fall foliage and exfoliating bark, image 32
Summersweet (Clethra Alnifolia) — supporting local wildlife; plant in full sun to part shade in moist, acidic soil
Summersweet (Clethra Alnifolia) — Its upright and slightly rounded form lends a structured yet naturalistic aesthetic; requiring minimal pruning, image 69
Summersweet (Clethra Alnifolia) — is a versatile deciduous shrub native to North America
Summersweet (Clethra Alnifolia) — thrives in USDA zones 4-9 with a mature height of 3-8 feet and a spread of 4-6 feet; excellent for rain gardens or, image 55
Summersweet (Clethra Alnifolia) — Excellent for rain gardens or naturalized areas; white flowers in the garden, image 58
Summersweet (Clethra Alnifolia) — white flowers in the garden; it thrives in USDA hardiness zones 3 through 9, image 79
Summersweet (Clethra Alnifolia) — This broadleaf shrub is relatively low maintenance
Summersweet (Clethra Alnifolia) — Summersweet unveils its visual and olfactory charm
Summersweet (Clethra Alnifolia) — with a similar spread of 4 to 6 feet, image 68
Summersweet (Clethra Alnifolia) — that offers multi-seasonal interest to any landscape design
Photographs by 13 contributors

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