Desert Bitterbrush

Purshia glandulosa

Native to:
Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Rosaceae
Genus:
Purshia
Species:
Purshia glandulosa
USDA Symbol:
PUGL2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub
Height:
250 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr,may,jun
Bloom Colors:
yellow
Landscaping Shrub:
Yes

Wildlife Benefits

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

Host Plant for Caterpillars

Anticlea pectinata, Filatima aulaea, Itame colata, Provia argentata, Western tent caterpillar (Malacosoma californica), Ypsolopha walsinghamiella, Behr's hairstreak (Satyrium behrii)

Garden & Ecology Notes

Wildlife Value:
birds, deer, small mammals
Fragrant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from root crown following fire; important browse species that recovers well in post-fire environments.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to arid desert regions

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–42 days
Notes:
Seeds benefit from cold stratification; germination can be erratic without pretreatment.

The above propagation data sourced from Claude AI

Pre-treatment: Seeds are placed in cold stratification

Source: npn.rngr.net