Is Trumpet Vine Toxic to Dogs?
The short version
- Trumpet vine (Campsis radicans) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs, cats, or horses.
- Its sap can irritate skin on contact, which is where the nickname "cow itch vine" comes from. The irritation is mild and resolves on its own in most cases.
- Angel's trumpet (Brugmansia) is a different, seriously toxic plant. Carolina Jessamine, with yellow trumpet flowers, is also toxic to dogs per the ASPCA.
- For the same orange trumpets with better manners, Crossvine and Coral Honeysuckle are the native dog-safe picks.
- If your dog eats any plant and shows symptoms, call the ASPCA Animal Poison Control Center at (888) 426-4435.
Quick answer
Trumpet vine (Campsis radicans, also called trumpet creeper) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs, cats, or horses. It is not considered toxic if eaten. The one documented issue is skin: contact with the leaves and sap can irritate skin in people and pets, which is where the old nickname "cow itch vine" comes from.
The bigger risk with this search is mixing up plants. Several very different vines and shrubs get called "trumpet" something, and two of them are genuinely dangerous. Here is how to tell them apart.
What the ASPCA says
Trumpet vine (Campsis radicans) does not appear on the ASPCA Animal Poison Control Center toxic plant list for dogs, cats, or horses. That standard means no documented systemic toxin in those species. As with any plant, a dog that eats a large amount of leaves or flowers can get mild GI upset from the bulk plant material. If your dog eats a lot of anything and shows symptoms, call the ASPCA Animal Poison Control Center at (888) 426-4435.
The skin note is real, though minor. The sap can cause redness and itching on contact, in dogs mostly around the mouth and muzzle after heavy chewing. It resolves on its own in most cases. If your dog develops a persistent rash after contact, a vet visit settles it.
The "trumpet" name problem
This is the part that matters. At least four common plants carry the trumpet name, and they range from harmless to dangerous:
| Plant | Dog Safe? | Notes |
|---|---|---|
| Trumpet vine / trumpet creeper (Campsis radicans) | Yes | Not on ASPCA toxic plant list; sap can irritate skin on contact |
| Trumpet honeysuckle / Coral Honeysuckle (Lonicera sempervirens) | Yes | Not on ASPCA toxic plant list (ASPCA Animal Poison Control Center) |
| Angel's trumpet (Brugmansia spp.) | No | Contains tropane alkaloids; seriously toxic to dogs and people. Not related to trumpet vine. |
| Carolina Jessamine (Gelsemium sempervirens) | No | Yellow trumpet-shaped flowers; toxic to dogs per the ASPCA |
The quick visual check: trumpet vine has clusters of orange to red trumpets on an aggressive deciduous vine. Angel's trumpet is a shrub with huge hanging flowers, usually white, peach, or yellow, and it is the one to remove immediately if you have dogs. Carolina Jessamine is an evergreen vine with yellow flowers in late winter.
Should you plant trumpet vine?
Toxicity is not the reason to hesitate. Vigor is. Trumpet vine is native to the eastern half of Texas, including the Piney Woods (Beaumont area) per the Lady Bird Johnson Wildflower Center, and hummingbirds love it, but it suckers aggressively and can swallow a fence line in two seasons. In a small HOA-conscious front yard, that growth habit reads as unmanaged fast.
For the same orange trumpets with better manners, the usual native picks are Crossvine (Bignonia capreolata) and Coral Honeysuckle (Lonicera sempervirens). Neither is on the ASPCA toxic plant list, and both stay where you put them. See is crossvine toxic to dogs for that comparison.
Vetting the rest of the yard? Start with the six Texas yard plants most toxic to dogs.
If something goes wrong
ASPCA Animal Poison Control Center: (888) 426-4435 (24/7, fee may apply). Have the plant name ready when you call.