Hesperocyparis sargentii
Endemic to California's Coast Range, this drought-tolerant evergreen conifer typically reaches 10–15 m, has dull grey-green scale leaves, exhibits fire-adapted reproduction and serotinous cones that release seeds after fire on serpentine soils, and is listed as Vulnerable by the IUCN.
Common Names
Sargent Cypress, Sargent's Cypress
Summary
Sargent's cypress is a California-endemic evergreen conifer of the Coast Ranges, from Mendocino to Santa Barbara. It typically reaches 10–15 m in height, with larger individuals over 22 m, and serpentine-site pygmy forests reaching about 2.4–3.6 m. Distinctive features include dull gray-green scale-like leaves, brown fibrous bark, and a pyramidal to rounded or irregular crown. The species has serotinous cones that open after heat to release wind- and rain-dispersed seeds; germination requires bare mineral soil, producing shade-intolerant seedlings that regenerate after fire.
Culture and uses: It prefers full sun to partial shade with well-drained soils, tolerates drought once established, and is deer-resistant. It propagates by seeds, with scarification (soak 24 hours) and cold stratification (about 30 days). Seeds are planted about 1/16 inch deep, and seed beds are mulched. Seeds germinate in a bare mineral-soil seedbed, and post-fire regeneration is common due to serotinous cones. Historic wood uses include fence posts, exterior joinery, shingles, and boats, with potential for other uses. Practical considerations include managing fire regimes to support regeneration.
Lifecycle
Perennial
Height
30-75 feet
Spread
10-20 feet
Hardiness Zones
Zones 8-9
Sunlight Requirements
Full sun to partial shade.
Soil Type
Serpentine soils, well-drained, shallow
Soil Drainage
Well-drained soils
Soil pH
6.0–7.5 (slightly acidic to neutral)
Bloom Color
Yellow
Bloom Time
Spring and Fall
Foliage Color
Green
Fall Foliage Color
Green (evergreen)
Leaf Lifecycle
Evergreen needle
Growth Rate
1–2 feet per year (30–60 cm/year)
Seasons of Interest
Spring, Summer, Fall, Winter
Propagation Methods
Seeds, Cuttings
Attracts Wildlife
Attracts birds, butterflies and moths
Taxonomy
- Taxonomic Rank
- Species
- Author
- (Jeps.) Bartel
- Publication
- Phytologia 91: 183. (2009)
Superior Taxa
- Kingdom
- Plantae
- Subkingdom
- Pteridobiotina
- Phylum
- Pinophyta
- Class
- Pinopsida
- Subclass
- Cupressidae
- Order
- Cupressales
- Family
- Cupressaceae
- Genus
- Hesperocyparis
Synonyms
Cupressus sargentii var. duttonii Neocupressus sargentii Cupressus goveniana var. sargentii Callitropsis sargentii Cupressus sargentii