North America Native Plant

Fringed Twinevine

Botanical name: Funastrum cynanchoides

USDA symbol: FUCY

Life cycle: perennial

Habit: vine

Native status: Native to the lower 48 states  

Fringed Twinevine: A Native Climber for Water-Wise Gardens If you’re looking for a low-maintenance native vine that won’t hog the spotlight but will quietly do its job in your landscape, let me introduce you to fringed twinevine (Funastrum cynanchoides). This unassuming perennial might not win any beauty contests, but it’s ...

Fringed Twinevine: A Native Climber for Water-Wise Gardens

If you’re looking for a low-maintenance native vine that won’t hog the spotlight but will quietly do its job in your landscape, let me introduce you to fringed twinevine (Funastrum cynanchoides). This unassuming perennial might not win any beauty contests, but it’s got character and some seriously practical benefits for the right garden.

What Is Fringed Twinevine?

Fringed twinevine is a native perennial vine that belongs to the milkweed family. As a forb herb, it lacks significant woody tissue but makes up for it with a persistent root system that keeps it coming back year after year. Don’t let the twinevine name fool you into thinking it’s overly aggressive – this plant knows how to play well with others in the garden.

Where Does It Call Home?

This southwestern native has quite a range across the lower 48 states, naturally occurring in Arizona, Arkansas, California, Nevada, New Mexico, Oklahoma, Texas, and Utah. It’s adapted to life in some pretty tough conditions, which makes it a champion for gardeners dealing with challenging sites.

Why You Might Want to Grow Fringed Twinevine

Here’s where this humble vine really shines:

  • Drought tolerance: Once established, it laughs in the face of dry spells
  • Low maintenance: Perfect for the set it and forget it gardener
  • Erosion control: Those persistent roots help hold soil in place
  • Pollinator support: Small flowers may not wow you, but they’re pollinator magnets
  • Native plant benefits: Supports local ecosystems and wildlife

Perfect Garden Situations

Fringed twinevine isn’t for every garden, but it’s absolutely perfect for:

  • Xeriscape and drought-tolerant landscapes
  • Desert and southwestern-style gardens
  • Natural area restoration projects
  • Slopes and areas prone to erosion
  • Low-water gardens where you need ground coverage

Growing Conditions and Care

The beauty of fringed twinevine lies in its simplicity. This plant thrives in USDA hardiness zones 7-10 and prefers:

  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soils (clay, sand, or rocky – it’s not picky)
  • Water: Drought-tolerant once established; minimal watering needed
  • Maintenance: Practically none – just occasional cleanup if desired

What to Expect

Let’s set realistic expectations here. Fringed twinevine won’t give you Instagram-worthy blooms or dramatic foliage. What it will give you is reliable, steady performance in tough conditions. The small flowers appear throughout the growing season and, while not showy to human eyes, are valuable to small pollinators and beneficial insects.

A Note on Wetlands

Interestingly, fringed twinevine has a Facultative Upland status in most regions, meaning it usually prefers non-wetland areas but can tolerate some moisture. In western mountain areas, it’s even more adaptable. This flexibility makes it useful for transitional zones in your landscape.

The Bottom Line

Fringed twinevine isn’t going to be the star of your garden show, but it might just be the reliable supporting actor that makes everything else look better. If you’re working with challenging conditions, trying to establish native plantings, or need something to hold soil on a slope while looking reasonably attractive, this native vine could be exactly what you’re looking for.

Just remember: sometimes the best plants are the ones that do their job quietly and efficiently, leaving you more time to fuss over the prima donnas in your garden.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Arid West

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Atlantic and Gulf Coastal Plain

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Eastern Mountains and Piedmont

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Great Plains

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Western Mountains, Valleys, and Coast

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Fringed Twinevine

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

Gentianales

Family

Asclepiadaceae Borkh. - Milkweed family

Genus

Funastrum Fourn. - twinevine

Species

Funastrum cynanchoides (Decne.) Schltr. - fringed twinevine

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