Cats
Generally safeConsulted references do not classify the plant as toxic for that pet type, while still allowing for mild GI upset if large amounts are chewed.
Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.
Sources
cat safety reference
Is Loco Weed safe for cats?
Oxytropis spp.
Loco Weed is a genus of perennial plants often found in wild, open landscapes. While generally considered non-toxic to pets, ingestion of large amounts of fibrous plant material may cause mild digestive discomfort.
Loco WeedOxytropisOxytropis spp.
- Light
- Full sun
- Habit
- Perennial herb
- Care
- Low
Safety status
What this means for your cat
Cats are safe around Loco Weed — ASPCA lists Oxytropis spp. as non-toxic to cats. The plant's swainsonine alkaloid is a serious concern for grazing horses and livestock, but ASPCA records no toxic principle for cats.
Sources: ASPCA.
If a pet has chewed or swallowed plant material and is showing symptoms, contact a veterinarian or poison resource immediately. This product is for structured reference, not diagnosis.
Cats — concern notes
Common signs
No specific toxicity symptoms are expected, though chewing or swallowing plant material may still cause mild stomach upset.
Escalation note
This plant is listed by ASPCA as non-toxic for this pet. Monitor for digestive upset after large ingestion and contact a veterinarian if symptoms persist.
Source evidence
ASPCA Toxic Plant List
toxicology · 99% reliability
Loco Weed is listed as non-toxic to both cats and dogs by the ASPCA.
Plants of the World Online - Oxytropis
botanical · 95% reliability
Provides the accepted botanical classification for the genus Oxytropis.
Questions about Loco Weed
Is loco weed toxic to cats?
Loco weed (Oxytropis spp.) is listed as non-toxic to cats by the ASPCA, so it is not expected to cause serious harm. That said, non-toxic does not mean harmless — chewing or swallowing significant amounts of fibrous plant material can still cause mild stomach upset.
What happens if a cat eats loco weed?
No specific toxicity symptoms are documented for cats and loco weed. If your cat eats a small amount, mild digestive discomfort such as vomiting or loose stools is the most likely outcome; serious illness is not expected.
What should I do if my cat ate loco weed?
Monitor your cat for signs of digestive upset — vomiting, diarrhea, or lethargy — especially after a large ingestion. Contact your veterinarian if symptoms appear or persist, since even non-toxic plants can cause GI irritation in quantity.
Does the amount of loco weed a cat eats matter?
Yes — while the plant is classified as non-toxic, large amounts of any fibrous plant material can overwhelm a cat's digestive system and cause stomach upset. A nibble is unlikely to cause any issue, but a sustained chewing session is more likely to result in vomiting or GI discomfort.