Bitter Gooseberry
Ribes amarum
- Native to:
- United States
ProboscideaRubber15
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Grossulariaceae
- Genus:
- Ribes
- Species:
- Ribes amarum
- USDA Symbol:
- RIAM
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub
- Height:
- 300 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- feb,mar,apr
- Bloom Colors:
- white, pink
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Tharsalea arota
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from root crown following fire; adapted to chaparral fire regimes.
Soil Requirements
- Soil Type:
- well-drained, rocky or sandy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- Prefers open, sunny habitats in native range
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–60 days
- Notes:
- Seeds require cold stratification; 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).
Source: Claude AI