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seaside pea

seaside pea

Lathyrus japonicus

groundcover☀️ full sun💧💧 moderate waterZone 3bZone 9b

A low-growing, spreading groundcover with purple-pink pea-like flowers, native to coastal areas and well-suited for stabilizing sandy soils. Hardy and salt-tolerant, it thrives in full sun with minimal maintenance.

Overview

Form
Spreading
Growth Rate
moderate
Size
0.5–1.5′ tall × 2–4′ wide
Dormancy
deciduous

Tolerances & Soil

moderate
Zone 3bZone 9b
1471013
ColderWarmer
Zone range: Zone 3b to Zone 9b

pH Range

67.5
7.0
3.556.589
pH range: 6 to 7.5

Soil Texture

Coarse, Medium

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

Summer

Succession Role

pioneerearly successional

Native Range

Japan and coastal East Asia

Function & Care

erosion controlnitrogen fixerwildlife benefit
Nitrogen Fixer · Moderate

Establishment & Care

Establishment
easy
Maintenance
low
Propagation
seed