Bristlecone Fir

Abies bracteata

Native to:
United States

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Taxonomy

Division:
Coniferophyta | - Conifers
Family:
Pinaceae
Genus:
Abies
Species:
Abies bracteata
USDA Symbol:
ABBR

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Tree
Height:
3000 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
apr,may

Wildlife Benefits

Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

Caterpillar Keystone:
★★★★★ Butterfly & moth species supported by this genus (NWF)

Host Plant for Caterpillars

Cydia bracteatana

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Fragrant:
Yes

Soil Requirements

Soil Type:
rocky, well-drained, nutrient-poor soil
pH:
5.5 - 6.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to steep, rocky slopes in California

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
30–90 days
Notes:
Seeds benefit from cold stratification for 30-60 days to break dormancy.

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.

Source: Claude AI