How much sun does Delta tule pea need?

Delta tule pea grows best in full sun conditions.

When does Delta tule pea bloom?

Delta tule pea blooms in May, June, and July.

Where is Delta tule pea native?

Delta tule pea (Lathyrus jepsonii) is native to CA, per vouchered herbarium specimen records and regional native plant society lists.

Delta tule pea

Name: Pollinator Patch
Author: Pollinator Patch

Lathyrus jepsonii

Last reviewed: November 2026

Delta tule pea (Lathyrus jepsonii) is a perennial vine native to CA. It blooms in May, June, and July. The flowers draw bees.

Watering reminders and freeze alerts for Delta tule pea, free in the app.

Toxicity unknown

Delta tule pea (Lathyrus jepsonii) 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

high

Size

36"–96" H × 24"–48" W

Bloom

May, Jun, Jul

Native to

Pollinators

bees

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Browse plants for this ecoregion

Coast Range Northwestern Forested Mountains Sierra Nevada Central California Foothills and Coastal Mountains Central California Valley

A sprawling perennial vine that climbs by tendrils over surrounding marsh vegetation. Clusters of purple-pink pea-shaped flowers appear in late spring and summer, found in brackish and freshwater marshes.

Growing Delta tule pea

Grow Delta tule pea in full sun and high water. Mature plants reach 36 to 96 inches tall and spread 24 to 48 inches wide.

Wildlife value

Pea-shaped flowers are pollinated by bumble bees and other native bees along marsh edges.

Common questions

How much sun does Delta tule pea need?: Delta tule pea grows best in full sun conditions.
When does Delta tule pea bloom?: Delta tule pea blooms in May, June, and July.
Where is Delta tule pea native?: Delta tule pea (Lathyrus jepsonii) is native to CA, per vouchered herbarium specimen records and regional native plant society lists.
What pollinators does Delta tule pea attract?: Delta tule pea draws bees.

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.

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

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