Flat Pea
Lathyrus sylvestris
- Native to:
- Albania, Austria, Baltic States, Belarus, Belgium, Bulgaria, Corse, Czechia-Slovakia, Denmark, Finland, France, Germany, Greece, Hungary, Italy, Krym, Madeira, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Poland, Portugal, Romania, Russia, Sardegna, Spain, Sweden, Switzerland, Transcaucasus, Ukraine
Ivar Leidus






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Lathyrus
- Species:
- Lathyrus sylvestris
- USDA Symbol:
- LASY
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Vine
- Height:
- 200 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- pink, purple
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Reported Fauna Sightings
Bees: Black and (Bombus auricomus), Northern amber (Bombus borealis), Yellow-faced bumble bee (Bombus vosnesenskii)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
Soil Requirements
- Soil Type:
- fertile, well-drained loamy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- prefers calcareous soils in native habitats
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 14–30 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 14–28 days
- Notes:
- Scarification of hard seed coat improves germination. Seeds may also benefit from soaking in warm water for 24 hours before sowing.
The above propagation data sourced from Claude AI
ORGHPS Germination Guide: Sow @ 20°C. Seed germinates within 3 months Resents transplanting. Requires scarification. Nick or rub between sheets of sandpaper. Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard water and any seeds that remain floating. * plant in deep pot