Arizona Cypress

Hesperocyparis arizonica

Cupressaceae · coniferous tree · introduced

Last updated March 8, 2026

Data Coverage 3 of 6 dimensions

Site Data

Threats

Cultivars

Phenology

GDD Thresholds

Puget Sound

Quick Facts

Height

40–60 ft

Growth Rate

Moderate

Light

Part Shade

Soil

Adaptable

Water

Moderate

Hardiness

Zone Zones 7a–8b

Bloom Time

Mar 15-May 15

Origin

is mostly in northern Mexico at elevations of as high as

Stage	Typical Window	What to Look For
New growth flush BBCH 11	May 15-Jun 15	Lighter-colored new growth visible at branch tips
Bloom start BBCH 61	Mar 15-May 15	First open flowers visible; flowers yellow
Bloom end / petal fall BBCH 69	Apr 15-May 31	Last petals falling; flower structures fading
Fruit/seed development BBCH 71	Jun 1-Aug 31	Fruit or seed structures forming; fruit color: brown
Fruit/seed maturity BBCH 85	Sep 1-Nov 30	Fruit fully colored and ripened; seed dispersal may begin

'Blue Ice'

Common name: Blue Ice Arizona Cypress; Mature height: 15 ft

Hardy to USDA Zone 5

'Blue Spire'

Common name: Blue Spire Arizona Cypress; Mature height: 20 ft

Hardy to USDA Zone 5

'Chaparral'

Common name: Chaparral Arizona Cypress; Mature height: 1 ft

Hardy to USDA Zone 5

'Raywoods Weeping'

Common name: Raywood's Weeping Arizona Cypress; Mature height: 20 ft

Hardy to USDA Zone 5

'Sulphurea'

Common name: Sulphurea Arizona Cypress; Mature height: 10 ft

Hardy to USDA Zone 5