plant

Tuberous pea

Lathyrus tuberosus

Updated 4 Aug 2026 · AI-parsed entry

Tuberous pea (Lathyrus tuberosus) — a plant, for Full sun, Medium water.

What it needs & gives back

↓ Needs

Lightfull sun to partial shade
Watermedium

↑ Gives back

Mulch_biomassmedium

Through the year

Through the year

JFMAMJJASOND
emergenceEmergence of shoots in spring after the last frost and soil temperatures rise above 5°C.
floweringFlowering typically occurs about 60 days after emergence.
fruitingFruiting follows flowering, with tubers developing underground.
senescenceFoliage dies back with the first autumn frosts.
dormancyEnters dormancy after senescence, overwintering as tubers.

Soil interactions

Drainagewell-drained
Nitrogen fixingYes
MycorrhizalYes
Accumulatesnitrogen
Soil textureloam, sandy_loam, clay_loam
Organic matterMedium
Compaction toleranceMedium

Propagation

Methodsseed, tuber_division
Difficulty2 / 5
Establishes in~2 yr
Stratificationcold_moist
Self-seedingModerate
Divisionspring

Wildlife & pests

Attractsbees, pollinators