Harsh Dewberry
Rubus × biformispinus
- Native to:
- Canada, United States
Kajakalas,No machine-readable author provided. Severus assumed (based on copyright claims).,No machine-readable author provided. Severus assumed (based on copyright claims).,Pinkava, Viktor,Bacon, Francis, 1561-1626,Publications Office of the European Union (en.wikipedia.org),Zavadil, Ladislav Tiray, Jan, joint author,Bacon, Francis, 1561-1626,Václavek, Matouš,Šime Ljubić,Publications Office of the European Union (en.wikipedia.org),Anton Kosi (www.wikidata.org)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rosaceae
- Genus:
- Rubus
- Species:
- Rubus × biformispinus
- USDA Symbol:
- RUSE4
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Subshrub
- Height:
- 150 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun
- Bloom Colors:
- white
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 vigorously from root crown following fire disturbance.
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 90–120 days
- Germination Time:
- 30–90 days
- Notes:
- Seeds have double dormancy and may take up to two years to germinate. Fresh seed sown in fall may germinate the following spring.
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