Rio Grande Dewberry
Rubus trivialis
- Native to:
- Mexico, United States
Bernie
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rosaceae
- Genus:
- Rubus
- Species:
- Rubus trivialis
- USDA Symbol:
- RURI
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Subshrub
- Height:
- 50 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- Medium
- Bloom Months:
- mar,apr,may
- Bloom Colors:
- white, pink
- Ground Cover:
- Yes
Wildlife Benefits
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
Old Man Dart (Agrotis vetusta)
Reported Fauna Sightings
Bees: ⚠️Western honey bee (Apis mellifera) Moths:Coptotriche aenea, Eight-spotted Forester (Alypia octomaculata)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals, butterflies
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from root crowns and rhizomes following fire; can become aggressive colonizer in post-burn habitats.
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 90–120 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 30–90 days
- Notes:
- Seeds have hard seed coat and embryo dormancy; scarification followed by cold stratification improves germination rates.
The above propagation data sourced from Claude AI