Elmleaf Blackberry
Rubus ulmifolius
Also known as: Cutleaf Blackberry
- Native to:
- Albania, Algeria, Baleares, Belgium, Corse, France, Germany, Great Britain, Ireland, Italy, Morocco, Netherlands, NW. Balkan Pen., Portugal, Sardegna, Sicilia, Spain, Switzerland, Tunisia
Simonjoan
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rosaceae
- Genus:
- Rubus
- Species:
- Rubus ulmifolius
- USDA Symbol:
- RUUL
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Subshrub , Vine
- Height:
- 300 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- white, pink
- Food Forest:
- Contains edible parts
- Landscaping Shrub:
- Yes
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
Proeulia sp.
Garden & Ecology Notes
- Wildlife Value:
- birds, butterflies, small mammals
- Fall Color:
- red, purple
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from root crowns after fire; can increase in abundance post-fire.
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- thrives in nutrient-rich environments
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 30–90 days
- Notes:
- Seeds benefit from cold stratification for 2-3 months to break dormancy; germination can be slow and erratic.