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

📍 View on iNaturalist →

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.

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

Source: Ontario Rock Garden & Hardy Plant Society