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Pacific false bindweed

Calystegia purpurata

Last reviewed: November 2026

Pacific false bindweed (Calystegia purpurata) is a perennial vine native to CA. It blooms in May, June, and July. The flowers draw bumble bees and sphinx moths.

Watering reminders and freeze alerts for Pacific false bindweed, free in the app.

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Pacific false bindweed (Calystegia purpurata)
Photo: (c) Ben G., some rights reserved (CC BY)

Toxicity unknown

Pacific false bindweed (Calystegia purpurata) 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

12"–24" H × 60"–120" W

Bloom

May, Jun, Jul

Native to

CA

Pollinators

bumble bees, sphinx moths

Before you buy

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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 Pacific false bindweed.

This false bindweed is a twining, sprawling perennial vine with arrow-shaped leaves and large white to pink trumpet-shaped flowers. It scrambles over shrubs and along the ground in coastal scrub.

Growing Pacific false bindweed

Grow Pacific false bindweed in full sun and low water. Mature plants reach 12 to 24 inches tall and spread 60 to 120 inches wide.

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Wildlife value

The large trumpet flowers are visited by bumble bees and sphinx moths, which are able to reach deep into the flower for nectar.

Common questions

How much sun does Pacific false bindweed need?
Pacific false bindweed grows best in full sun conditions.
When does Pacific false bindweed bloom?
Pacific false bindweed blooms in May, June, and July.
Where is Pacific false bindweed native?
Pacific false bindweed (Calystegia purpurata) is native to CA, per the World Checklist of Vascular Plants (Kew).
What pollinators does Pacific false bindweed attract?
Pacific false bindweed draws bumble bees and sphinx moths.

Native range data from the World Checklist of Vascular Plants (Kew). 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 Pacific false bindweed? Add it to your garden in the Pollinator Patch App to track it and get season-by-season care guidance.