Fassett's Juniper
Juniperus × fassettii
- Native to:
- Canada, United States
GBIF: Cecelia Alexander






Taxonomy
- Division:
- Coniferophyta | - Conifers
- Family:
- Cupressaceae
- Genus:
- Juniperus
- Species:
- Juniperus × fassettii
- USDA Symbol:
- JUFA2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 600 cm
- Drought Tolerance:
- High
- Evergreen Shrub:
- Yes
- Landscaping Shrub:
- Yes
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
Abagrotis glenni, Abagrotis mirabilis, Coleotechnites occidentis, Eupithecia niphadophilata, Eupithecia placidata, Freyer's Pug (Eupithecia intricata), Henricus infernalis, Semiothisa setonana, Semiothisa triviata, Stamnoctenis morrisata, Juniper Hairstreak (Mitoura grynea), Nelson's hairstreak (Mitoura nelsoni), Siva Hairstreak (Mitoura siva)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
Soil Requirements
- Soil Type:
- well-drained, rocky or sandy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to rocky slopes and open areas
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 90 days.
Notes: Seeds may require light for optimal germination.
Source: Claude AI