Photo by Melody

PlantFiles: Fringed Twinevine
Funastrum cynanchoides

Family: Asclepiadaceae (ass-kle-pee-ad-AY-see-ee) (Info)
Genus: Funastrum (fun-ASS-trum) (Info)
Species: cynanchoides (sy-nan-CHO-id-ees) (Info)

Synonym:Funastrum cynanchoides subsp. cynanchoides
Synonym:Sarcostemma cynanchoides

4 members have or want this plant for trade.

Vines and Climbers

Unknown - Tell us

6-9 in. (15-22 cm)
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)

Unknown - Tell us

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Late Summer/Early Fall


Other details:
May be a noxious weed or invasive
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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By oldmudhouse
Thumbnail #1 of Funastrum cynanchoides by oldmudhouse

By oldmudhouse
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By angele
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Thumbnail #4 of Funastrum cynanchoides by angele


2 positives
No neutrals
1 negative

Gardeners' Notes:

Positive MaryAnn On Sep 17, 2014, MaryAnn from London, AR wrote:

An important reason for growing Fringed Twinevine is that it is used by Monarch caterpillars as a host plant.

Positive angele On Feb 12, 2009, angele wrote:

Fairly common milkweed in Sierra County, NM. Highly attractive to some butterflies and bees. Most often I have seen it climbing on large shrubs such as rhus microphylla and less often on old Yucca stalks.

Negative oldmudhouse On Aug 16, 2006, oldmudhouse from Las Cruces, NM (Zone 8a) wrote:

Pros: Native plant with interesting seed pods. Attractive white flowers have five petals and appear in clusters. The opposite leaves are variable and are narrow to broadly lanceolate, hastate, or heart-shaped. Attracts insects and butterflies.

Cons: Foul-smelling milky white sap (like severe body odor) makes removal a nasty chore. From the central root it sends long straight runners in every direction (sometimes 15í) until it finds something to twine on. Will twine through chain link fence or around small plants and pull them to the ground. Can form canopies on tops of shrubs. If it grows where you donít want it, the large roots are nearly impossible to dig out entirely; will resprout from any small portion of root. Itís apparently impervious to herbicide. Parachuted seeds float on the wind long distances. This plant is not currently considered a noxious weed in my state, but I certainly consider it a noxious weed in my yard! A constant battle.

Another common name is Climbing Milkweed.


This plant has been said to grow in the following regions:

Vincent, Alabama
Tucson, Arizona
London, Arkansas
Punta Gorda, Florida
Shawnee Mission, Kansas
Prospect, Kentucky
Elephant Butte, New Mexico
Las Cruces, New Mexico
Fort Worth, Texas

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