Trumpet vine is a woody, clinging vine which attaches itself to structures by aerial rootlets. It can rapidly grow to 30 to 40 feet high. Terminal clusters of 2 to 3 inch long, red trumpet-shaped flowers attract hummingbirds throughout the summer.
This plant has some cultivated varieties. Go to list of cultivars.
- North America
- Large plant (more than 24 inches)
- Full sun (6 hrs direct light daily)
- Partial sun/shade (4-6 hrs light daily)
- Zone 4
- Zone 5
- Zone 6
- Zone 7
- Zone 8
- Zone 9
- Alkaline soil
- Moist, well-drained soil
- Deciduous (seasonally loses leaves)
- Mid summer
- Late summer
- Early fall
Size and method of climbing
This 30 to 40 foot vine is a clinging vine. Clinging vines attach themselves directly to a surface by means of holdfasts (adhesive discs) or by small aerial roots. Trumpet vines has ther aerial rootls. This type of vine grows best on a flat surface, such as stone, masonry walls and wood.
Trumpet vine can be aggressive and rampant.
A strong trellis or structure needed to support vine.
Flowers on new wood, plants can be cut back to a few buds in the spring.
Full sun to part shade; tolerant of heat and drought
Disease, pests, and problems
No serious problems.
Can spread by suckers.
Native geographic location and habitat
Native to the southern United States up into the Midwest.
Opposite, pinnately compound leaves can reach 6 to 15 inches long.
Shiny green leaves are coarsely toothed. Fall color is a poor yellow-green.
Clusters of red, orange or yellow trumpet-shaped flowers up to 3 inches long bloom throughout the summer.
3 to 5 inch long, bean-like seed pods split open releasing numerous 2-winged seeds for dispersal by the wind.
Cultivars and their differences
Balboa Sunset® trumpet vine (Campsis radicans 'Monbal'): Red-orange flowers.
Minnesota Red trumpet vine (Campsis radicans 'Minnesota Red'): Red flowers.
Yellow trumpet vine (Campsis radicans 'Flava'): Yellow flowers.