Japanese clethra is an East Asian shrub or small tree grown in U.S. gardens. In summer, slightly fragrant white flowers grow in long clusters, and older bark peels away in patches, leaving a mottled trunk.

Appearance

Appearance
Older bark peels away in patches, leaving a mottled trunk.
Growth form
This deciduous shrub can grow into a small tree about 10–20 ft (3–6 m) tall.
Flowers
Slightly fragrant white flowers line up in long clusters in summer.

Look-alikes

summersweetClethra alnifolia

Both have spikes of white summer flowers. Summersweet is a North American shrub of moist sites; Japanese clethra can become a taller, small tree with conspicuously patchy bark.

Where it lives

Typical habitats
  • gardens
  • landscaped grounds
Range
It comes from East Asia and is grown in U.S. gardens.
Preferred conditions
It grows in full sun to partial shade and suits USDA zones 5–7.

Name and classification

Varieties and forms
The pale-leaved cultivar ‘Takeda Nishiki’ is sold as First Snow.

Conservation

IUCN Red List
LCLeast ConcernLow risk of extinction
Japanese Clethra (Clethra barbinervis) — identification, habitat & look-alikes | Moeyo