Blackcap

Rubus leucodermis

Rosaceae · broadleaf deciduous shrub · native

Last updated

Blackcap (Rubus leucodermis), also called western raspberry, is a broadleaf shrub in the Rosaceae family native to western North America from Alaska to California, east to Utah and Montana. It reaches 6 ft tall with medium growth and produces white to pink flowers 2-3 cm across, solitary or in small clusters. It occurs in fields and on open to wooded hills.

Blackcap is hardy in zones 5a-8b and tolerates full sun to shade with moist soil (pH 4.5-8.5) and moderate water. Thirty-two diseases and 12 pests are documented. The fruit has a high edibility rating (4/5) and is gathered for fresh eating and preserves.

Quick Facts

Height
6 ft
Growth Rate
Medium
Light
Full Sun to Shade
Soil
Moist
Water
Moderate
Hardiness
Zone Zones 5a–8b
Origin
Pacific Northwest native
Watch for this season

Primary Spore Release

Spring New Growth - Early Infection Window

Root Colonization Period

Active Below-ground Growth

+ 4 more — see full disease and pest lists below

Diseases: Regionally Documented (30)

Pests: Regionally Documented (12)

Data Maturity
Structured Multiple sources. Expert review underway.