Nantucket Blackberry
Rubus setosus
- Native to:
- Canada, Prince Edward I., United States
U. S. Department of Agriculture (USDA), Natural Resources Conservation Service (NRCS),Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 279. Provided by Kentucky Native Plant Society. Scanned by Omnitek Inc.,United States Forest Service,Stickney, Peter F Intermountain Research Station (Ogden, Utah),Stickney, Peter F Intermountain Forest and Range Experiment Station (Ogden, Utah) United States. Forest Service,Peck, Charles H. (Charles Horton), 1833-1917 House, Homer D. (Homer Doliver), 1878-1949 New York (State). State Botanist,Thilenius, John F. cn,Stickney, Peter F Intermountain Research Station (Ogden, Utah),Dame, Lorin Low, 1838-1903 Collins, Frank S. (Frank Shipley), 1848-1920 Adams, Edward P,[Rutland, Vt. : W.W. Eggleston],United States. Army. Corps of Engineers. Tulsa District,New York State Museum New York State Museum
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rosaceae
- Genus:
- Rubus
- Species:
- Rubus setosus
- USDA Symbol:
- RUBI2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Subshrub
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- white, pink
- Ground Cover:
- Yes
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from root crown following fire. Often increases in abundance in post-fire environments.
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 have double dormancy requiring warm stratification followed by cold stratification. Scarification improves germination rates.
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