North America Native Plant

Chaparral False Bindweed

Botanical name: Calystegia occidentalis occidentalis var. occidentalis

USDA symbol: CAOCO2

Life cycle: perennial

Habit: vine

Native status: Native to the lower 48 states  

Synonyms: Calystegia polymorpha (Greene) Munz (CAPO13)  âš˜  Convolvulus occidentalis A. Gray (COOC5)  âš˜  Convolvulus occidentalis A. Gray ssp. fruticetorus (Greene) Abrams (COOCF)  âš˜  Convolvulus polymorphus Greene (COPO)   

Chaparral False Bindweed: A Native West Coast Treasure for Your Garden Meet chaparral false bindweed (Calystegia occidentalis occidentalis var. occidentalis), a charming native perennial that’s quietly making its mark in sustainable gardening circles. This California and Oregon native might not be the flashiest plant at the garden center, but it ...

Rare plant alert!

Region: Conservation status by state

Status: S4T3T4: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘ 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 ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘

Chaparral False Bindweed: A Native West Coast Treasure for Your Garden

Meet chaparral false bindweed (Calystegia occidentalis occidentalis var. occidentalis), a charming native perennial that’s quietly making its mark in sustainable gardening circles. This California and Oregon native might not be the flashiest plant at the garden center, but it brings authentic regional character and ecological value to the right garden setting.

What Makes Chaparral False Bindweed Special?

As a native perennial forb, chaparral false bindweed represents the kind of plant that once carpeted California and Oregon landscapes before development changed the scene. Unlike its more aggressive bindweed cousins that gardeners often battle, this native variety plays well with others and contributes to local ecosystem health.

The plant belongs to the morning glory family, and while specific details about its flowers and foliage aren’t widely documented, bindweeds typically produce attractive trumpet-shaped blooms that add delicate beauty to naturalized areas.

Where Does It Call Home?

Chaparral false bindweed is native to California and Oregon, where it has adapted to the unique climate and soil conditions of the Pacific Coast region. This limited native range makes it a true regional specialty – perfect for gardeners wanting to create authentic local landscapes.

Important Conservation Note

Before you rush to plant this beauty, here’s something important to know: chaparral false bindweed has a conservation status that suggests it may be uncommon in the wild. This means if you decide to grow it, you’ll want to source your plants or seeds from reputable native plant nurseries that propagate their stock responsibly rather than wild-collecting.

Is This Plant Right for Your Garden?

Chaparral false bindweed works best for gardeners who:

  • Live within its native range of California or Oregon
  • Want to support local ecosystems and native plant communities
  • Prefer naturalized, informal garden styles over manicured landscapes
  • Are interested in restoration gardening or habitat creation
  • Appreciate subtle, understated plants over showy garden stars

This plant might not be the best choice if you’re looking for a bold focal point or have a very formal garden design in mind.

Growing Chaparral False Bindweed Successfully

As a California and Oregon native, chaparral false bindweed likely prefers the Mediterranean-type climate typical of its home range. While specific growing requirements aren’t well-documented, most plants from chaparral communities share similar preferences:

  • Well-draining soil (essential for most California natives)
  • Full sun to partial shade
  • Minimal summer water once established
  • Good air circulation

Planting and Care Tips

Since detailed care information is limited for this specific variety, follow general best practices for California and Oregon natives:

  • Plant in fall for best establishment before summer heat
  • Water regularly the first year, then reduce frequency
  • Avoid fertilizers – native plants typically prefer lean soil
  • Mulch lightly to retain moisture and suppress weeds
  • Allow natural dormancy periods

The Bottom Line

Chaparral false bindweed offers California and Oregon gardeners a chance to grow a true regional native that supports local ecosystems. While it may not be the easiest plant to find or the showiest in the garden, it provides authentic habitat value and connects your landscape to the natural heritage of the West Coast.

Just remember to source it responsibly from reputable native plant suppliers, and you’ll be doing your part to preserve this special piece of California and Oregon’s botanical legacy while creating habitat for local wildlife.

Chaparral 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 occidentalis (A. Gray) Brummitt - chaparral 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