North America Native Plant

Island False Bindweed

Botanical name: Calystegia macrostegia cyclostegia

USDA symbol: CAMAC

Life cycle: perennial

Habit: vine

Native status: Native to the lower 48 states  

Synonyms: Convolvulus cyclostegius House (COCY5)   

Island False Bindweed: A Native California Vine Worth Growing If you’re looking to add a touch of California’s natural charm to your garden, island false bindweed (Calystegia macrostegia cyclostegia) might just be the perfect native vine for you. This delightful perennial member of the morning glory family brings both beauty ...

Island False Bindweed: A Native California Vine Worth Growing

If you’re looking to add a touch of California’s natural charm to your garden, island false bindweed (Calystegia macrostegia cyclostegia) might just be the perfect native vine for you. This delightful perennial member of the morning glory family brings both beauty and ecological value to native plant gardens across the Golden State.

What Makes Island False Bindweed Special?

Island false bindweed is a true California native, originally hailing from the state’s stunning Channel Islands. As a perennial forb herb, this plant lacks the woody stems of shrubs and trees, instead producing soft, herbaceous growth that dies back seasonally while the root system persists year after year.

Also known by its synonym Convolvulus cyclostegius, this charming vine produces the classic funnel-shaped flowers you’d expect from the morning glory family. The blooms range from pristine white to soft pink, creating a lovely display against the plant’s heart-shaped leaves.

Where Does It Grow?

This native beauty calls California home, where it has adapted to the state’s unique Mediterranean climate and growing conditions.

Why Consider Island False Bindweed for Your Garden?

There are several compelling reasons to welcome this native vine into your landscape:

  • True California native: Supporting local ecosystems by choosing plants that naturally belong in your region
  • Pollinator magnet: The flowers attract bees, butterflies, and other beneficial insects that are crucial for garden health
  • Low maintenance: Once established, this drought-tolerant perennial requires minimal care
  • Versatile growth: Works beautifully as ground cover or trained as a climbing vine
  • Aesthetic appeal: Lovely flowers and attractive foliage add visual interest throughout the growing season

Perfect Garden Situations

Island false bindweed shines in several garden settings:

  • Native California plant gardens
  • Coastal landscaping projects
  • Naturalized garden areas
  • Wildlife-friendly landscapes
  • Low-water or drought-tolerant gardens

Growing Conditions and Care

This adaptable native thrives in USDA hardiness zones 9-11, making it well-suited to California’s coastal and inland areas with mild winters.

Ideal growing conditions include:

  • Well-draining soil (essential for preventing root rot)
  • Full sun to partial shade exposure
  • Moderate water during establishment, then drought-tolerant
  • Protection from harsh inland heat in extremely hot climates

Planting and Care Tips

Getting started with island false bindweed is refreshingly straightforward:

  • Best planting time: Spring, after the last frost
  • Soil preparation: Ensure excellent drainage; amend clay soils with compost or coarse sand
  • Watering: Provide regular water the first year, then reduce to occasional deep watering
  • Maintenance: Minimal pruning needed; may spread readily in ideal conditions
  • Support: Provide trellises or stakes if growing as a climbing vine

A Word of Caution

Like many members of the bindweed family, island false bindweed can be an enthusiastic grower. While this makes it excellent for covering ground or filling in naturalized areas, keep an eye on its spread in more formal garden settings. Regular monitoring and occasional pruning will keep it in bounds.

The Bottom Line

Island false bindweed offers California gardeners an excellent opportunity to support native ecosystems while enjoying a beautiful, low-maintenance vine. Its attractive flowers, wildlife benefits, and drought tolerance make it a valuable addition to native plant gardens. Just be prepared to give it some space to roam – this California native knows how to make itself at home!

Whether you’re creating a wildlife habitat, establishing a water-wise landscape, or simply wanting to grow plants that belong in your local ecosystem, island false bindweed deserves serious consideration for your native plant palette.

Island 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 macrostegia (Greene) Brummitt - island 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