Bristly Dewberry

Rubus hispidus

Also known as: Blanchard's Dewberry

Native to:
Canada, Prince Edward I., United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Rosaceae
Genus:
Rubus
Species:
Rubus hispidus
USDA Symbol:
RUHI

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Subshrub
Height:
60 cm
Light Requirements:
Full Sun,Part Shade,Shade
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug
Bloom Colors:
white, pink
Ground Cover:
Yes

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)

Keystone Species Ranking

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

Host Plant for Caterpillars

Orthotaenia undulana, purplish leafroller moth (Olethreutes permundana)

Reported Fauna Sightings

Moths:Ectoedemia rubifoliella

Garden & Ecology Notes

Wildlife Value:
birds, small mammals, bees
Fall Color:
red, bronze
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from rhizomes following fire; can increase in abundance post-disturbance.

Soil Requirements

Soil Type:
sandy, acidic, nutrient-poor soil
pH:
4.5 - 6.0 (acidic to slightly acidic)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Commonly found in bogs and wetlands

Propagation & Germination

Stratification:
Warm then cold/moist stratification (double dormancy) — 90–120 days
Scarification:
Seed coat scarification required before sowing
Germination Time:
30–90 days
Notes:
Seeds require scarification followed by warm then cold stratification. Germination can be erratic over multiple seasons.

The above propagation data sourced from Claude AI

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

Source: Claude AI