Narrow-leaf Everlasting-pea
Lathyrus sylvestris
Last reviewed: June 2026
Light
part shade
Water
medium
Size
36"–96" H × 24"–48" W
Bloom
May, Jun, Jul
Native to
AL, AR, CA, CO and 28 more states
Pollinators
bees, butterflies
Browse plants for this ecoregion
Narrow-leaf everlasting-pea is a climbing perennial vine that produces clusters of pink to purple pea-like flowers from May through July. This hardy plant can reach 8 feet in height and spreads 2-4 feet wide, making it useful for covering fences, trellises, or slopes.
In an HOA neighborhood
Narrow-leaf Everlasting-pea takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Vigorous vine growth can appear uncontrolled
- May spread aggressively beyond intended areas
- Can look messy without proper support structure
Wildlife value
The flowers attract bees and butterflies during the long blooming period from late spring through summer. Seeds may also provide food for birds.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Narrow-leaf Everlasting-pea fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.