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Campo-pea

Lathyrus splendens

Last reviewed: November 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.

Watering reminders and freeze alerts for Campo-pea, free in the app.

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Campo-pea (Lathyrus splendens)
Photo: (c) Sula Vanderplank, some rights reserved (CC BY)

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 464 programs across 44 states, each with a link to the provider and the date we last checked it.

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Picture natives in your own yard

Upload a photo of your yard and Patch Vision shows a rendering of it planted with natives for your region, like Campo-pea.

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.

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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.

See all plant problem guides

Ready to grow Campo-pea? Add it to your garden in the Pollinator Patch App to track it and get season-by-season care guidance.