Photo by Melody

PlantFiles: Crimson Trumpet Vine, Red Trumpet Vine
Campsis radicans 'Flamenco'

Family: Bignoniaceae (big-no-nih-AY-see-ee) (Info)
Genus: Campsis (KAMP-sis) (Info)
Species: radicans (RAD-ee-kans) (Info)
Cultivar: Flamenco

Synonym:Tecoma radicans
Synonym:Bignonia radicans

4 vendors have this plant for sale.

2 members have or want this plant for trade.

Vines and Climbers

20-30 ft. (6-9 m)

12-15 in. (30-38 cm)

USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Sun to Partial Shade

Handling plant may cause skin irritation or allergic reaction

Bloom Color:

Bloom Time:
Mid Summer
Late Summer/Early Fall


Other details:
Average Water Needs; Water regularly; do not overwater
May be a noxious weed or invasive
This plant is attractive to bees, butterflies and/or birds

Soil pH requirements:
4.6 to 5.0 (highly acidic)
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
8.6 to 9.0 (strongly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From softwood cuttings
From hardwood cuttings
Allow cut surface to callous over before planting
From seed; direct sow outdoors in fall
From seed; stratify if sowing indoors
By simple layering
By air layering
By serpentine layering

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored

Click thumbnail
to view:

By henryr10
Thumbnail #1 of Campsis radicans by henryr10

By music2keep
Thumbnail #2 of Campsis radicans by music2keep


1 positive
No neutrals
1 negative

Gardeners' Notes:

Positive GardenWitch0872 On May 27, 2012, GardenWitch0872 from Brick Township, NJ wrote:

I have Trumpet Vine in several spots on my 1/2 acre. It grows up the side of one of my outbuildings, along the back fence, and on a clump of lilacs in the side yard. It also tries to grow on the house, but we regularly tear it off and dig up the roots. Once it is established in a spot, it's difficult to get rid of, but the flowers are lovely, and provide nectar for hummingbirds, insects and orioles. I've been in this house ten years now, and haven't noticed any new vines. For me, there are more plusses than minuses to this plant.

Negative RosemaryJ On Mar 14, 2011, RosemaryJ from Canton, OH wrote:

I have one of these in my backyard. I started out by thinking that it would attract hummngbirds, which it has.....but it is taking over EVERYTHING!!! Not only does it cast its seeds, it also has underground runners that end up all over your yard.

This vine's only usefull purpose would be to grow on a steep slope, as it surely would kill off anything else that was trying to grow there.

I live in Canton, OH. Never again will I get one of these.


This plant has been said to grow in the following regions:

Isle Of Lewis,
Citrus Heights, California
Dixon, California
Welaka, Florida
Lincoln, Nebraska
Brick, New Jersey
Brookside, New Jersey
Hillsborough, North Carolina
Cincinnati, Ohio
Salem, Oregon
Cle Elum, Washington
Peterstown, West Virginia

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