
Arx Fortis at English Wikipedia · CC BY-SA 3.0
perennial peavine
Plant·Lathyrus latifolius
Full sun
Sun
Medium
Water
Well-drained soil
Drainage
Zones 3–9
Hardiness
perennial peavine (Lathyrus latifolius) is a plant. It grows best in full sun and has moderate water needs.
Through the year
DormantLeafing outFloweringFruitingDying back
Works well with
from wiki dataNo companions recorded.
WHAT IT NEEDS
Wants full sun
Needs moderate water
Needs well-drained soil
Prefers soil pH 6–7.5
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Prefers loam, sandy loam, clay loam soil
Tolerates some soil compaction
Fixes nitrogen in the soil
Draws up nitrogen from deep in the soil
Adds a moderate amount of organic matter to the soil
Partners with mycorrhizal fungi to boost nutrient uptake
WHAT IT GIVES
Gives organic matter (medium via leaf litter and root biomass)
Gives pollinator services (attracts various pollinators)
Gives nectar (moderate)
Gives pollen (moderate)
Gives ground cover (can provide ground cover if unsupported)
Provides nitrogen
Provides nitrogen
Attracts pollinators
HOW IT GROWS
SIZE & SPACING
Climber
Height150–250 cm
Spacing90 cm (min 60 cm)
Root depthMedium
Width90–180 cm
Width figures are rough estimates, the most variable measurement in our data.
AI estimate · accuracy improves as growers contribute corrections.
HOW TO PROPAGATE
Propagate by seed, division
Difficulty
Establishes in about 1 yr
Self-seeds readily on its own
Where this comes from
Parsed11 Sept 2026
ConfidenceNot recorded
Photograph Arx Fortis at English Wikipedia · CC BY-SA 3.0