Photo by Melody

PlantFiles: Clethra
Clethra monostachya

Family: Clethraceae
Genus: Clethra (KLEE-thra) (Info)
Species: monostachya (mon-oh-STAK-ee-uh) (Info)


12-15 ft. (3.6-4.7 m)

8-10 ft. (2.4-3 m)

USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:
Light Shade

Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Mid Summer


Other details:
Requires consistently moist soil; do not let dry out between waterings
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant

Soil pH requirements:
6.1 to 6.5 (mildly acidic)

Patent Information:
Unknown - Tell us

Propagation Methods:
From softwood cuttings

Seed Collecting:
Unknown - Tell us

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By GardenerGardner
Thumbnail #1 of Clethra monostachya by GardenerGardner

By Lily_love
Thumbnail #2 of Clethra monostachya by Lily_love


1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive GardenerGardner On Nov 24, 2006, GardenerGardner from Lexington, MA (Zone 6a) wrote:

I planted my Clethra in 1990 as a small shrub. It is has matured to about 12' high with light pink fragrant flowers. Self-rooting runners have provided shrubs for friends. Seems to enjoy partial shade and acidic New England soil.


This plant has been said to grow in the following regions:

Vincent, Alabama
Barnesville, Georgia
Lexington, Massachusetts

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