North America Native Plant

Solano False Bindweed

Botanical name: Calystegia purpurata solanensis

USDA symbol: CAPUS2

Life cycle: perennial

Habit: vine

Native status: Native to the lower 48 states  

Synonyms: Convolvulus occidentalis A. Gray var. solanensis (Jeps.) J.T. Howell (COOCS2)   

Solano False Bindweed: A California Native Worth Knowing Meet Solano false bindweed (Calystegia purpurata solanensis), a charming California native that’s as beautiful as it is beneficial. This perennial herb brings delicate pink to purple blooms to your garden while supporting local wildlife – what’s not to love? What Makes This ...

Solano False Bindweed: A California Native Worth Knowing

Meet Solano false bindweed (Calystegia purpurata solanensis), a charming California native that’s as beautiful as it is beneficial. This perennial herb brings delicate pink to purple blooms to your garden while supporting local wildlife – what’s not to love?

What Makes This Plant Special

Solano false bindweed is a true California original, belonging to the morning glory family. As a perennial forb herb, it lacks woody stems but makes up for it with persistent underground parts that help it return year after year. You might also see it listed under its scientific synonym, Convolvulus occidentalis var. solanensis, but don’t let the fancy names intimidate you!

Where You’ll Find It Growing Wild

This lovely native calls California home, specifically thriving in the Golden State’s diverse landscapes. It’s perfectly adapted to our Mediterranean climate and represents the kind of authentic regional character that makes California gardens so special.

Garden Appeal and Design Role

Solano false bindweed offers gardeners a wonderful way to add native beauty to their landscapes. Its funnel-shaped flowers in soft pink to purple hues create a delicate, romantic appeal that works beautifully in:

  • Native plant gardens
  • Wildlife-friendly landscapes
  • Restoration projects
  • Naturalistic garden designs

As a ground-covering perennial, it can help fill spaces between larger native shrubs and trees, creating a layered, natural look that mimics California’s wild landscapes.

Benefits for Pollinators and Wildlife

One of the best reasons to grow Solano false bindweed is its value to local wildlife. The flowers attract native bees, butterflies, and other beneficial pollinators, helping support the ecosystem services that keep our gardens healthy and productive.

Growing Conditions and Care

Like many California natives, Solano false bindweed is surprisingly easy to grow once you understand its preferences:

  • Climate: Thrives in USDA hardiness zones 9-10
  • Sun exposure: Full sun to partial shade
  • Soil: Well-draining soils (avoid heavy clay or constantly wet conditions)
  • Water: Drought tolerant once established, perfect for water-wise gardens

Planting and Care Tips

Getting started with Solano false bindweed is straightforward if you follow these guidelines:

  • Plant in fall or early spring when temperatures are mild
  • Choose a location with good drainage – soggy soil is this plant’s enemy
  • Water regularly during the first growing season to help establish roots
  • Once established, reduce watering and let natural rainfall do most of the work
  • Minimal maintenance required – just remove dead growth as needed

Is This Plant Right for Your Garden?

Solano false bindweed is an excellent choice for California gardeners who want to:

  • Support local ecosystems with native plants
  • Create water-wise landscapes
  • Attract pollinators and beneficial insects
  • Add authentic California character to their gardens
  • Enjoy low-maintenance perennial beauty

While we don’t have complete information about its rarity status or specific wetland preferences, its native status makes it a responsible and environmentally friendly choice for California gardens. As with any native plant, source your Solano false bindweed from reputable native plant nurseries to ensure you’re getting authentic, locally appropriate genetics.

Ready to add some authentic California charm to your landscape? Solano false bindweed might just be the perfect native addition your garden has been waiting for!

Solano 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