North America Native Plant

Coast Range False Bindweed

Botanical name: Calystegia collina venusta

USDA symbol: CACOV

Life cycle: perennial

Habit: vine

Native status: Native to the lower 48 states  

Coast Range False Bindweed: A Mysterious California Native If you’ve stumbled across the name coast range false bindweed in your native plant research, you’ve discovered one of California’s more enigmatic botanical residents. This perennial herb, scientifically known as Calystegia collina venusta, represents the kind of plant that keeps botanists busy ...

Rare plant alert!

Region: Conservation status by state

Status: S4T3: 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 ⚘

Coast Range False Bindweed: A Mysterious California Native

If you’ve stumbled across the name coast range false bindweed in your native plant research, you’ve discovered one of California’s more enigmatic botanical residents. This perennial herb, scientifically known as Calystegia collina venusta, represents the kind of plant that keeps botanists busy and gardeners scratching their heads.

What Exactly Is Coast Range False Bindweed?

Coast range false bindweed is a native perennial herb that belongs to the morning glory family. As a forb, it’s a non-woody plant that dies back to ground level but returns year after year from its root system. Think of it as the botanical equivalent of that friend who’s always around but somehow manages to stay mysteriously low-key.

Where Does It Call Home?

This California native has staked its claim exclusively in the Golden State. While we know it’s a true Californian through and through, the exact specifics of where you might encounter it in the wild remain somewhat of a botanical mystery.

The Rarity Factor: Proceed with Caution

Here’s where things get interesting – and a bit concerning. Coast range false bindweed carries a conservation status of S4T3, which signals some level of rarity or conservation concern. This means if you’re lucky enough to find this plant available through native plant sales or specialty nurseries, make absolutely sure you’re getting it from a responsible, ethical source that doesn’t collect from wild populations.

Should You Grow Coast Range False Bindweed?

This is where honesty becomes our best gardening tool. While coast range false bindweed is undoubtedly a legitimate California native with potential garden merit, the reality is that very little practical growing information exists for home gardeners. We’re dealing with a plant that’s more of a botanical enigma than a well-documented garden companion.

The Growing Reality Check

If you’re determined to work with this species, here’s what we do know:

  • It’s a perennial, so it should return year after year
  • As a California native, it’s adapted to Mediterranean climate conditions
  • Being in the morning glory family suggests it may have climbing or trailing tendencies

However, specifics about soil preferences, water needs, sun requirements, and propagation methods remain elusive. This makes it a challenging choice for most home gardeners who prefer plants with well-established growing guidelines.

Better Alternatives for Your Native Garden

If you’re drawn to the idea of native bindweeds or morning glory relatives, consider these better-documented California alternatives:

  • Western morning glory (Calystegia occidentalis) – a more common and well-understood relative
  • Beach morning glory (Calystegia soldanella) – for coastal gardens
  • Other native Calystegia species with established cultivation information

The Bottom Line

Coast range false bindweed represents one of those plants that reminds us how much we still have to learn about our native flora. While it’s undoubtedly a legitimate part of California’s botanical heritage, it’s not the most practical choice for most native gardeners. Unless you’re a botanical researcher, conservation specialist, or someone with extensive experience growing challenging natives, you might want to start with better-documented relatives in the same family.

Sometimes the most responsible approach to rare native plants is admiring them in their natural habitats while choosing better-understood species for our gardens. After all, successful native gardening is about creating thriving ecosystems, not collecting botanical trophies.

Coast Range 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 collina (Greene) Brummitt - coast range 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