Fassett's Juniper

Juniperus × fassettii

Fassett's Juniper

Photo by David J. Stang

Taxonomy

Division:
Coniferophyta | - Conifers
Family:
Cupressaceae
Genus:
Juniperus
Species:
Juniperus × fassettii

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub , Tree
Height:
20-40 ft
Bloom Months:
mar, apr, may
Bloom Colors:
Blue, Black

Native Range

Canada: Alberta, British Columbia

Keystone Species Ranking

Caterpillar Keystone:
★★☆☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)

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)

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

Germination Information

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: OpenAI GPT-4o