Scientific: Campis radicans 
Common: trumpet creeper, trumpet vine, cow itch
Family: Bignoniaceae
Origin: Eastern United States 

Hardiness zones
Sunset
12-16, 18-23 (coastal zone 17 with a warm exposure)
USDA 9-10 (arid and semi arid regions only)

Landscape Use: Seasonal accent, arbor, screen, wall cover

Form & Character: Lush when in leaf and festive when in bloom

Growth Habit: Deciduous, vigorous and trailing vine to 100'. 

Foliage/texture: Leaves dark green, fine hairs on abaxial mid-vein, opposite, glabrous, pinnately compound, stems produce aerial roots for attachment, stipules present as tufts of hair, medium coarse texture

Flowers & fruits: Large tubular reddish orange flowers to 3" across in terminal corymbose clusters, 8-15; fruit a brown capsule producing winged seeds.

Seasonal color: Festive reddish orange tubular flowers in early summer

Temperature: Heat loving and cold tolerant.

Light: Full sun

Soil: Tolerant.

Watering: Irrigate regularly in Phoenix

Pruning: May need pruning to control spread, though tendency to become overly aggressive is less in Phoenix than in more temperate climates.

Propagation: Cuttings

Disease and pests: None

Additional comments: Leaves may cause dermatitis. Campis radicans is seldom seen in Phoenix landscapes, though is grows surprisingly well in desert conditions if irrigated sufficiently. Attracts hummingbirds.

Another Campis vine to take note of for use in Phoenix landscapes is Campis tagiabuana 'Madame Galen'.