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Hardiness: 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
Danger: Handling plant may cause skin irritation or allergic reaction
Bloom Color: Gold (Yellow-Orange) Bright Yellow
Bloom Time: Mid Summer Late Summer/Early Fall
Foliage: Deciduous
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)
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
On May 23, 2008, crafty4 from Valparaiso, IN wrote:
I have had one for 4 years. I bought it with flowers on it and it hasn't had flowers since. It is in full sun and I have tried cutting it back to two branches, which the nursery suggested. It stays in bounds and looks nice though.
On Mar 17, 2007, berrygirl from Braselton, GA (Zone 7b) wrote:
Campsis radicans 'Flava' YELLOW TRUMPET CREEPER Dec (z5) (Hum)
Every strong shoot of this vigorous self-clinging vine may have its bunch of rich yellow trumpets in a warm spot--a bright & welcome sight in fall; pinch the tips when young to encourage branching. Sun/Med
On Mar 4, 2007, Lily_love from Central, AL (Zone 7b) wrote:
Although I love the vines, I've had positive experience with the orange flowers and wanted to have the yellow one. I ordered one from Inter-State Nurseries; they sent me a bare branch, without root and the size is about 1/4 that of a straw, in circumperence. 6" in lenght. What a disappointment!
In my zone 7b; its Orange cousin behave well in full sun. No runner roots, just perfuse blooms all trough Summer.
On Aug 18, 2005, TomH3787 from Raleigh, NC (Zone 7b) wrote:
Grows fast and blooms a lot in mid to late summer but it's just as invasive as the orange form. I got this one by accident as a misidentified plant from Wayside Gardens - was supposed to be Campsis x tagliabuana 'Madame Galen' but clearly it isn't :-)
On Mar 20, 2005, frankford from East Lansing, MI (Zone 5a) wrote:
Flava has a very harmonizing color. The actual flower color is a pale gold. I like this color better than the more common bright orange. It may be a little slower to take off once planted. After it is fully established in a very sunny location ( takes about two years) it blooms quite well!
On Jun 14, 2004, 02mongoose from Pulaski, WI wrote:
I bought a Trumpet Creeper because I heard it attracts Hummingbirds like nothing else. I chose the flava (yellow) variety. It does a nice job along with the other humming bird friendly plants in my garden. It usually only get's one cluster of flowers on the whole plant, but the blossoms that it gets are big and beautiful. I have never gotten a rash from this plant. My dad is extremly alergic to poison ivy, and he has had no reaction to the trumpet creeper. It has never tried to take over my garden or the lawn. If you see ants on this plant, keep an eye out for aphids! They will keep the plant from flowering!
On Jun 2, 2004, OhioBreezy from Dundee, OH (Zone 5b) wrote:
I have grown this yellow version for 11 years and it never seems to get out of control. It has not runnered underground for me, or took over anything. Hummingbirds love it as well. The color is such a pretty yellow.
Regional...
This plant has been said to grow in the following regions:
Glendale, Arizona Bartow, Florida Macomb, Illinois Peoria, Illinois Waukegan, Illinois Solsberry, Indiana Valparaiso, Indiana Saint Paul, Minnesota Rienzi, Mississippi Bessemer City, North Carolina Haviland, Ohio Hulbert, Oklahoma Oregon City, Oregon Clarksville, Tennessee
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