White Cedar

Chamaecyparis thyoides

Cupressaceae · coniferous tree · native

Last updated March 8, 2026

Data Coverage 4 of 6 dimensions

Site Data

Threats

Cultivars

Phenology

GDD Thresholds

Puget Sound

Quick Facts

Height

50 ft

Growth Rate

Moderate

Light

Sun to Part Shade

Soil

Wet Tolerant

Water

Low

Hardiness

Zone Zones 4a–8b

Bloom Time

Non-flowering

Origin

swampy areas along the Atlantic coast from Maine to Florida

Stage	Typical Window	What to Look For
New growth flush BBCH 11	Feb 15-Mar 15	Lighter-colored new growth visible at branch tips
Bloom start BBCH 61	Mar 15-May 15	First open flowers visible; flowers green
Bloom end / petal fall BBCH 69	Apr 15-May 31	Last petals falling; flower structures fading
Fruit/seed development BBCH 71	Sep 1-Nov 30	Fruit or seed structures forming; fruit color: brown

'Ericoides'

Common name: Ericoides White Cedar; Mature height: 5 ft

'Red Star'

Common name: Red Star White Cedar; Mature height: 25 ft

Hardy to USDA Zone 5