Description
Form: Shrub.
Leaf retention: Evergreen in regions without freezes.
Growth rate: Rapid.
Mature Size: 4-10' (1.2-3m) high and nearly as wide, depending on winter temperature.
Flowers: Yellow, sometimes with an orange tinge, trumpet-shaped, 2" (5cm) long.
Bloom: Spring to fall.
Fruit: Long, narrow seedpods containing seed with papery wings.
Leaves: Glossy bright green, narrow, 1/2" (12mm) wide, serrate edges.
Stems: New twigs are smooth, green aging to reddish, no thorns. The branches are light gray to light brown, fissured with age. This shrub is multi-trunked.
Wildlife: The flowers attract hummingbirds and bees. The seeds attract small mammals. Deer browse the foliage.
Toxic / Danger: No.
Origin: Arizona through Texas and tropical and subtropical Americas.

Cultivation and Uses
USDA hardiness zones: 7-11. This plant dies to the ground in temperatures below 25°F (-3.9°C) and revives in the spring. Tip damage is sustained at 28°F (-2.2°C).
Heat tolerant: Yes.
Drought tolerant: Increased water frequency is needed in high temperatures.
Sun: Full sun. This shrub grows rangy in shade.
Soil: Well draining, pH 5.6-8.5 (acidic to alkaline).
Water once established: Once or twice a month. Weekly in the hottest months of the year.
Prune: After the danger of frost is past, remove damaged stems above the root crown. This shrub can be severely trimmed in winter to maintain proper shape.
Litter: Moderate due to seedpods.
Propagation: Seeds and cuttings.
Uses: Ornamental, hedge.

Comments
This plant is a member of the Trumpet Creeper family (Bignoniaceae). Another common name is Yellow Trumpet Bush. Many hybrid cultivars are sold in nurseries with various flower colors. The cultivar with narrow leaves is the most drought tolerant.

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