Maine Dewberry
Rubus × biformispinus
- Native to:
- Canada, United States
Apis_mellifera_mellifera_Euroopa_meemesilane_pampli_õiel_estonia.JPG : Tauno Erik derivative work: B kimmel ( talk ),Francisco Manuel Blanco (O.S.A.),Francisco Manuel Blanco (O.S.A.),Francisco Manuel Blanco (O.S.A.),Francisco Manuel Blanco (O.S.A.),Francisco Manuel Blanco (O.S.A.),Francisco Manuel Blanco (O.S.A.),Francisco Manuel Blanco (O.S.A.),Francisco Manuel Blanco (O.S.A.),Francisco Manuel Blanco (O.S.A.),Francisco Manuel Blanco (O.S.A.),Francisco Manuel Blanco (O.S.A.),User:JohnOyston,,Toter Alter Mann,Babington, Charles Cardale, 1808-1895,Matthias Zepper , https://www.flickr.com/photos/curnen (www.flickr.com)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rosaceae
- Genus:
- Rubus
- Species:
- Rubus × biformispinus
- USDA Symbol:
- RUAL8
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Subshrub
- Height:
- 150 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- white
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals, bees
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from root crown following fire. Colonizes disturbed areas post-burn.
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 90–120 days
- Germination Time:
- 30–90 days
- Notes:
- Seeds have double dormancy; cold stratification improves germination rates. Germination can be erratic.
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