Leaf retention: Evergreen but cold deciduous.
Growth rate: Rapid.
Mature Size: 25-30' long.
Flowers: Yellow trumpet flowers 3-4" wide.
Bloom: Spring, possibly summer. Each flower lasts one or two days.
In full sun, more flowers bloom at one time, and the total bloom
time may be two weeks. In full shade, the plant may bloom sporadically
throughout spring and summer, most heavily in the spring.
Fruit: Seed pod often 20" long, green turning to brown,
containing oblong, flat, winged seeds.
Leaves: Green leaves occur in pairs.
Stems: Woody, roots form at nodes wherever soil is touched.
Three pronged, clawed tendrils at intervals along stem assist in vertical
Roots: Large underground tubers and above-ground roots called stolens.
Highly invasive in moist areas.
Wildlife: Attracts bees and birds.
Toxic / Danger: Handling plant may cause skin irritation.
Origin: Tropical America.
Cultivation and Uses
USDA hardiness zones: 8b-10.
Heat tolerant: Yes.
Drought tolerant: Yes.
Sun: Full sun to full shade. Full sun produces the most flowers.
Water once established: Once or twice a month.
Soil: Adaptable, pH 6.1-7.8 (slightly acidic to slightly alkaline).
Prune: Border pruning: must be headed back if growing in unwanted
Propagation: Seed, cuttings or tubers. Invasive in moist climates.
Uses: Ornamental, erosion control and ground cover in desert areas,
shade or hide a vertical surface such as a fence. Withstands light foot
traffic. Grow in pots to prevent invasiveness.
Another common name is Cat's Claw Vine. This plant is benign in dry
southwestern climates, but difficult to eradicate in wet climates like
Florida unless underground tubers are removed.
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