Beach Pea

Lathyrus japonicus Willd. - Pea family

Size

Mature Height: Up to around 18 inches

Planting Distance: 20 inches

Plant Type: Vine, Forb/herb

Root Depth: 16 inches

Growth Form: Single Crown

Growth Rate: Moderate

Features

Flower Color: Purple

Conspicuous Flowers: Yes

Bloom Time: Early Spring

Seasonal Growth: Spring and Summer

Evergreen: No

Fall Colors: No

Conditions

Shade Tolerance: Intermediate

Clay Soil Tolerance: No

Sandy Soil Tolerance: Yes

Drought Tolerance: Medium

Flood Tolerance: None

Fire Tolerance: High

Salt Tolerance: Medium

Ecosystem Interactions

Pollinators: Bombus; Beetles, Wasps, Flies; Butterflies; Larval Host (Butterfly); Larval Host (Moth)

Larval Species depending on Beach Pea: Actebia fennica, Ancylis maritima, Ancylis metamelana, Cydia nigricana, Glaucopsyche lygdamus, Glaucopsyche lygdamus mildredi, Melanchra picta, Pima albiplagiatella, Pima boisduvaliella

Native Range

  • USA:  California, Connecticut, Illinois, Indiana, Maine, Massachusetts, Minnesota, New Hampshire, New Jersey, New York, North Dakota, Ohio, Oregon, Rhode I., Vermont, Washington, Wisconsin
  • CAN:  Newfoundland, Manitoba, Newfoundland, Nunavut, Ontario, Québec
Regional Native Status: L48 (N), AK (N), CAN (N), GL (N), SPM (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.