North America Native Plant

Pacific False Bindweed

Botanical name: Calystegia purpurata saxicola

USDA symbol: CAPUS

Life cycle: perennial

Habit: vine

Native status: Native to the lower 48 states  

Synonyms: Convolvulus occidentalis A. Gray var. saxicola (Eastw.) J.T. Howell (COOCS3)   

Pacific False Bindweed: A California Native Worth Knowing Meet Pacific false bindweed (Calystegia purpurata saxicola), a charming California native that’s been quietly beautifying the Golden State’s landscapes for centuries. This delicate perennial vine might not be the showiest plant in your garden, but it brings a subtle elegance and important ...

Rare plant alert!

Region: Conservation status by state

Status: S4T2: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Pacific False Bindweed: A California Native Worth Knowing

Meet Pacific false bindweed (Calystegia purpurata saxicola), a charming California native that’s been quietly beautifying the Golden State’s landscapes for centuries. This delicate perennial vine might not be the showiest plant in your garden, but it brings a subtle elegance and important ecological value that makes it worth considering for the right setting.

What Makes Pacific False Bindweed Special?

Pacific false bindweed is a native perennial forb that belongs to the morning glory family. Unlike its more aggressive relatives, this California endemic has a refined growth habit that won’t take over your entire garden. You might also see it listed under its botanical synonym, Convolvulus occidentalis var. saxicola, in older gardening references.

As a true California native, this plant is perfectly adapted to the state’s Mediterranean climate and diverse growing conditions. It’s found exclusively in California, making it a fantastic choice for gardeners looking to support local ecosystems and create authentic native plant communities.

Why Consider Growing Pacific False Bindweed?

There are several compelling reasons to include this native vine in your landscape:

  • Authentic native beauty: Small, funnel-shaped flowers in white to soft pink hues create a delicate display
  • Pollinator magnet: Native bees, butterflies, and other beneficial insects are drawn to its blooms
  • Low maintenance: Once established, it’s quite drought tolerant and requires minimal care
  • Erosion control: Its spreading growth habit makes it excellent for stabilizing slopes
  • Heart-shaped leaves: Attractive foliage adds texture even when not in bloom

Important Conservation Considerations

Before you rush to plant Pacific false bindweed, there’s something important to know: this plant has a conservation status that suggests it may be somewhat rare or declining in parts of its range. This doesn’t mean you shouldn’t grow it, but it does mean you should be thoughtful about sourcing.

Always purchase plants from reputable native plant nurseries that propagate their stock rather than collect from wild populations. Better yet, if you can find seeds from ethical sources, growing your own plants is a wonderful way to increase the population of this special California native.

Perfect Garden Settings

Pacific false bindweed thrives in several garden styles:

  • Native plant gardens: Pairs beautifully with other California natives
  • Rock gardens: Its natural habitat includes rocky areas, so it’s right at home among stones
  • Naturalistic landscapes: Perfect for creating that wild California look
  • Slope stabilization: Excellent for erosion-prone areas where you need attractive ground cover

Growing Conditions and Care

Like many California natives, Pacific false bindweed appreciates conditions that mimic its natural habitat:

  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soil is essential; it tolerates poor, rocky soils well
  • Water: Drought tolerant once established, but appreciates occasional deep watering during dry spells
  • Climate: Best suited for USDA zones 8-10, matching California’s Mediterranean climate

Planting and Care Tips

Getting Pacific false bindweed established in your garden is straightforward:

  • Plant in fall or early spring when temperatures are mild
  • Improve heavy clay soils with compost or gravel for better drainage
  • Water regularly the first year to help establish a strong root system
  • Once established, it may spread via underground rhizomes—this is normal and beneficial for ground cover
  • Lightly trim back after flowering to maintain shape if desired
  • No fertilizer needed—California natives prefer lean soils

The Bottom Line

Pacific false bindweed is a lovely choice for California gardeners who want to create authentic native landscapes while supporting local wildlife. Its subtle beauty and ecological benefits make it particularly valuable, though its conservation status means we should grow it thoughtfully and responsibly.

If you’re working on a native plant garden, restoration project, or simply want to add a touch of California’s natural heritage to your landscape, Pacific false bindweed deserves serious consideration. Just remember to source your plants ethically and give them the well-draining conditions they crave.

Pacific False Bindweed

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Solanales

Family

Convolvulaceae Juss. - Morning-glory family

Genus

Calystegia R. Br. - false bindweed

Species

Calystegia purpurata (Greene) Brummitt - Pacific false bindweed

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA