Quick answer: Trumpet vine (Campsis radicans) is native to 24 states. What's commonly sold under this name is often a bred variety or the wrong species — see the lookalike alert below. It's typically seeds, verified 15 Sep 2026.
Where it's native
Listed in the register as native to these states. Click a state for its full native-plant guide.
Growing conditions
From the Lady Bird Johnson Wildflower Center Native Plant Database.
| Sun | Sun |
|---|---|
| Water | Dry, Moist |
| Soil | Various well-drained soils - sandy, sandy loam, medium loam, clay loam, clay, limestone-based, caliche |
| Bloom | Bloom Jun-Sep |
| Height | Vine up to 35 ft |
| Wildlife value | Pollinated by hummingbirds and long-tongued bees, larval host for Trumpet Vine Sphinx Moth |
Sap can cause skin irritation on contact.
Notably aggressive colonizer — can escape cultivation and colonize densely, especially in the Southeast (common names "Hellvine"/"Devil's Shoestring"); not formally regulated.
Lookalike alert
Consistent "aggressive vine, prune hard" and yellow-cultivar-vs-wild-orange trap across all 11.
Sold as: Seeds via Amazon · listing verified 15 Sep 2026
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