Yes — yellow oleander is highly poisonous. Small amounts can kill.
Keep alpacas completely away from this plant, including clippings and fallen leaves.
- Status
- Deadly
- Scientific name
- Cascabela thevetia
- Family
- Apocynaceae
- Plant type
- Shrub
- Also known as
- Lucky nut, Be-still tree
- Toxic parts
- All parts, especially seeds
- Toxic compound
- Cardiac glycosides (thevetins)
- Region
- Subtropical regions
Why it matters
Ornamental shrub in frost-free climates.
Signs of yellow oleander poisoning in alpacas
- Sudden death (often the first sign)
- Slow, irregular or very fast heartbeat
- Weakness, trembling, collapse
- Diarrhea and colic
- Cold extremities
Signs can appear within minutes (cyanide, cardiac toxins) or only after weeks of exposure (liver toxins). Many poisoned camelids are simply found dead, so prevention is everything.
What to do if your alpaca ate yellow oleander
- Move the herd away and remove any remaining plant material, clippings or fallen leaves.
- Call your veterinarian immediately, even if the alpaca looks normal. Say what was eaten, roughly how much and when.
- Bring a sample or clear photo of the plant to help identification.
- Do not give home remedies, oils or try to make the alpaca vomit unless your vet tells you to.
- Keep the animal quiet, in shade or shelter, with water available. Write down the time and every symptom you see.
- Check every other alpaca that had access, then remove the plant permanently (including roots).
Emergency: call your veterinarian immediately. If you cannot reach them, contact an animal poison control service (in the U.S., the ASPCA Animal Poison Control Center or Pet Poison Helpline; fees may apply). Bring a sample or photo of the plant.
About the plant
Where it grows
Main range of concern: Subtropical regions. GBIF, the Global Biodiversity Information Facility, holds 15,620 recorded observations of Cascabela thevetia (L.) Lippold worldwide, including 758 in the United States. It belongs to the Apocynaceae family, together with Oleander, Dogbane, Milkweed. See the occurrence map on GBIF.
Frequently asked questions
Is yellow oleander poisonous to alpacas?
What part of yellow oleander is toxic to alpacas?
What are the symptoms of yellow oleander poisoning?
Is dried yellow oleander safe?
Keeping pastures safe
- Walk every paddock and fence line each season and remove toxic plants, including roots.
- Never throw garden, hedge or lawn clippings over the fence.
- Check pastures after storms for fallen branches (cherry, red maple).
- Buy hay from known sources and inspect it for weeds.
- Keep pastures well managed — hungry alpacas eat plants they would normally avoid.
Browse the full toxic plant checker, the printable list of poisonous plants and the list of safe plants.
This page is educational and does not replace advice from a veterinarian who has examined your animals. Camelid medicine uses many drugs “extra-label”, so dosing must come from your vet. In an emergency, call your vet first. Read our disclaimer · How we write and review content.
Data: plant status compiled from veterinary toxicology references (see sources); taxonomy and occurrences from GBIF; identifiers from Wikidata Q10694475.