Thornless Dewberry
Rubus setosus
- Native to:
- Canada, Prince Edward I., United States
Jaxon Lane,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.,Link, Heinrich Friedrich, Willdenow, Karl Ludwig,,Natural History Society of Montreal,,Publications Office of the European Union (en.wikipedia.org),Pantheo, Giovanni Agostino, 16th-cent,Publications Office of the European Union (en.wikipedia.org),United States. Plant Pest Control Division United States. Plant Quarantine Division,New York State Museum New York State Museum,Linné, Carl von, 1707-1778 Gómez Ortega, Casimiro, 1740-1818 Murray, Johan Anders, 1740-1791
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rosaceae
- Genus:
- Rubus
- Species:
- Rubus setosus
- USDA Symbol:
- RUUN
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; can increase in abundance in early post-fire succession.
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:
- Double dormancy typical of Rubus; scarification followed by warm then cold stratification improves germination rates.
The above propagation data sourced from Claude AI