Greater Herb Robert
Geranium yeoi
- Native to:
- Madeira
Nom. rev.

Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Geraniaceae
- Genus:
- Geranium
- Species:
- Geranium yeoi
- USDA Symbol:
- GEYE
Growth Characteristics
- Life Cycle:
- Biennial
- Growth Habit:
- Forb/herb
- Height:
- 50 cm
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- pink, 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:
- bees
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- native to regions with mild climates
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–90 days
- Germination Time:
- 14–60 days
- Notes:
- Germination can be erratic; fresh seed germinates more readily.
The above propagation data sourced from Claude AI