Scientific: Antigonon leptopus
Common: coral vine,
Family: Polygonaceae
Origin: Mexico

Pronounciation: An-TIG-o-non lep-TOE-pus

Hardiness zones
Sunset
12-24 (can experience frost and freeze injury in zone 12)
USDA 8-11 (can experienced frost and freeze injury in zone 8)

Landscape Use: Wall and fence cover, accent vine

Form & Character: Twining and spreading, tender, innocent, wispy, and delicate.

Growth Habit: Mostly evergreen, climbing, vining and twining (produces tendrils for attachment) with a trailing habit to 30 feet.

Foliage/Texture: Foliage is medium green, small, cordate shaped with subtle marginal serrations; medium texture.

Flowers & Fruits: Clusters of small delicate pink, red, or rarely white flowers in panicles, fruits are papery sheaths bearing black seeds.

Seasonal Color: Pink flowers in summer to autumn.

Temperature: Tolerant of most microclimates in Phoenix, but is freeze sensitive.

Light: Partial to full sun. Avoid reflected western exposures.

Soil: Tolerant

Watering: Regular and mostly copious supplemental waterings are necessary for vigor.

Pruning: Head back lightly to control spread.

Propagation: Seeds or root half-ripe cuttings in the summer.

Disease and pests: None

Additional comments: In the Phoenix area, coral vine is a nice tender vine for subtle flower accent in oasis and mesic settings. Coral vine has tuberous roots that are reported to be edible.

Invasive alert: Coral vine is listed as a Category II invasive plant species in humid and tropical ecosystems such as found in Florida and Hawaii.