Roundleaf Geranium
Geranium rotundifolium
- Native to:
- Afghanistan, Albania, Algeria, Austria, Azores, Baleares, Baltic States, Belarus, Belgium, Bulgaria, Canary Is., China, Corse, Cyprus, Czechia-Slovakia, East Aegean Is., Egypt, France, Germany, Greece, Hungary, India, Iran, Iraq, Ireland, Italy, Kazakhstan, Kirgizstan, Kriti, Krym, Lebanon-Syria, Libya, Madeira, Morocco, NW. Balkan Pen., Oman, Pakistan, Palestine, Portugal, Romania, Sardegna, Saudi Arabia, Sicilia, Spain, Sweden, Switzerland, Tadzhikistan, Transcaucasus, Tunisia, Türkiye, Türkiye-in-Europe, Turkmenistan, Ukraine, Uzbekistan
Robert Flogaus-Faust
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Geraniaceae
- Genus:
- Geranium
- Species:
- Geranium rotundifolium
- USDA Symbol:
- GERO3
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 40 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- apr,may,jun,jul,aug
- Bloom Colors:
- pink, purple
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (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:
- well-drained, sandy or loamy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to open, rocky habitats
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–90 days
- Germination Time:
- 14–60 days
- Notes:
- Seeds may germinate erratically; fresh seed germinates more readily. Some cold stratification improves germination rates.
The above propagation data sourced from Claude AI