Campsis radicans Crimson Trumpet

Crimson Trumpet

A vigorous, woody deciduous vine selected for its deep crimson-red trumpet-shaped flowers that bloom in mid to late summer. The bold blooms stand out against dark green, pinnate foliage and are highly attractive to hummingbirds and pollinators. Provides fast, dramatic coverage where space and support allow.


Plant Characteristics


Type: Woody deciduous vine



Form: Vigorous, climbing with aerial rootlets



Mature Width: 10–15 ft+



Mature Height: 30–40 ft



Flower Color: Deep crimson red



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 manage size




Landscape Uses
Arbors, pergolas, fences, walls, and large structures where rapid vertical coverage and summer color are desired. Best suited to larger landscapes.


Care Tips


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



Provide sturdy support; aerial rootlets cling to masonry and wood



Allow ample space—vigorous growth can overwhelm small areas

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

Red

Leaf color

Green

Fall color

Green

Attracts

Butterflies

Soil

Clay, Moist well-drained

Landscape use

Specimen

Shape

Spreading

Bark

Fissured

Fragrant

Yes

Drought tolerant

No