Campsis radicans Yellow Trumpet

Yellow Trumpet

A vigorous, woody deciduous vine featuring clear yellow, trumpet-shaped flowers that bloom in mid to late summer. The bright blooms stand out against dark green, pinnate foliage and are highly attractive to hummingbirds and pollinators. Like other Campsis, it provides rapid coverage and bold seasonal impact.


Plant Characteristics


Type: Woody deciduous vine



Form: Vigorous, climbing with aerial rootlets



Mature Width: 10–15 ft+



Mature Height: 30–40 ft



Flower Color: Yellow



Foliage Color: Dark green




Growing Conditions


USDA Hardiness Zones: 4a–9b



Light: Full sun for best flowering (tolerates partial shade)



Soil: Adaptable; average, well-drained soils preferred



Water: Low to moderate once established



Maintenance: Moderate to high; prune as needed to control size




Landscape Uses
Arbors, pergolas, fences, walls, and large structures where fast growth and summer color are desired. Best used where vigor can be managed.


Care Tips


Prune hard in late winter or early spring to control growth and encourage flowering



Provide strong support; aerial rootlets cling to wood and masonry



Not recommended for small or delicate structures

Plant type

Vine

Height

30-40'

Width

10-15'

Hardiness zones

4–9

Sunlight

Full Sun

Growth rate

Fast

Bloom time

Early Fall, Late Summer, Summer

Flower color

Yellow

Fall color

Light Green

Attracts

Butterflies, Hummingbirds

Soil

Clay, Moist well-drained

Landscape use

Specimen

Shape

Spreading

Bark

Fissured

Fruit

Yes

Drought tolerant

No