Philadelphia Blackberry
Rubus pensilvanicus
- Native to:
- United States
Jackson, Joseph, 1847-,Jackson, Joseph, 1847-,United States. Forest Service,Davidson, Anstruther, 1860-1932,Denison University Denison Scientific Association,Thilenius, John F. cn,Baldinger, Ernst Gottfried, 1738-1804,Suksdorf, Wilhelm N,New York State Museum New York State Museum,John Bartram & Son (Philadelphia) Henry G. Gilbert Nursery and Seed Trade Catalog Collection,Università di Pavia. Istituto e orto botanico,Haberer, J. V. (Joseph Valentine), 1855-1925,Kennedy, George Golding
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rosaceae
- Genus:
- Rubus
- Species:
- Rubus pensilvanicus
- USDA Symbol:
- RUPH2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Subshrub , Vine
- Height:
- 300 cm
- Light Requirements:
- Full Sun,Part Shade,Shade
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- white
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
Tischeria aenea
Reported Fauna Sightings
Moths:Coptotriche aenea
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals, bees, butterflies
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from root crown following fire or mechanical disturbance. Often colonizes disturbed sites.
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 90–120 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 30–90 days
- Notes:
- Seeds require scarification followed by cold stratification. Germination can be erratic and may take several months.
The above propagation data sourced from Claude AI
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Scarify, then cold-moist stratify for 60 days.
Source: Claude AI