Campo-pea
Lathyrus splendens
Last reviewed: September 2026
Campo-pea (Lathyrus splendens) is a perennial vine native to CA. It blooms in April, May, and June. The flowers draw bumble bees and hummingbirds.
Toxicity unknown
Campo-pea (Lathyrus splendens) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
60"–240" H × 36"–120" W
Bloom
Apr, May, Jun
Native to
CA
Pollinators
bumble bees, hummingbirds
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 458 programs across 44 states, each with a link to the provider and the date we last checked it.
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Woody-based climbing vine with gray-green compound leaves and clusters of large, deep wine-red pea-like flowers in spring, scrambling over shrubs on dry chaparral slopes.
Growing Campo-pea
Grow Campo-pea in full sun and low water. Mature plants reach 60 to 240 inches tall and spread 36 to 120 inches wide.
Wildlife value
Showy spring flowers attract bumble bees and hummingbirds.
Common questions
- How much sun does Campo-pea need?
- Campo-pea grows best in full sun conditions.
- When does Campo-pea bloom?
- Campo-pea blooms in April, May, and June.
- Where is Campo-pea native?
- Campo-pea (Lathyrus splendens) is native to CA, per vouchered herbarium specimen records and regional native plant society lists.
- What pollinators does Campo-pea attract?
- Campo-pea draws bumble bees and hummingbirds.
Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Campo-pea? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.