Birthwort
Aristolochia clematitis
- Native to:
- Albania, Austria, Baleares, Baltic States, Belarus, Belgium, Bulgaria, Corse, Czechia-Slovakia, France, Germany, Greece, Hungary, Italy, Kazakhstan, Krym, Netherlands, North Caucasus, NW. Balkan Pen., Poland, Romania, Russia, Sicilia, Spain, Switzerland, Transcaucasus, Türkiye, Türkiye-in-Europe, Ukraine
Roger Culos
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Aristolochiaceae
- Genus:
- Aristolochia
- Species:
- Aristolochia clematitis
- USDA Symbol:
- ARCL
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Vine
- Height:
- 90 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- yellow
Wildlife Benefits
- Butterflies & Moths:
- ★★★☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- butterflies
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- prefers fertile soils often found in floodplains
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 30–60 days
- Notes:
- Seeds require cold stratification for 2-3 months; germination occurs in spring.
Where to Buy
Nationwide Seller
- Sheffield's Seed (seeds)