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 Water Hyacinth safe for cats?
Eichhornia crassipes
Water Hyacinth is a free-floating aquatic plant known for its striking lavender flowers and bulbous, air-filled leaf stalks. While it is considered non-toxic, its fibrous nature can occasionally cause mild digestive upset if consumed in large quantities.
Eichhornia crassipesFloating Water HyacinthWater Hyacinth
- Light
- Full sun to partial shade
- Habit
- Floating aquatic
- Care
- High (invasive in many regions)
Safety status
What this means for your cat
Cats are safe around water hyacinth — ASPCA lists Eichhornia crassipes as non-toxic to cats, with no toxic principle identified. Don't confuse this floating pond plant with garden hyacinth (Hyacinthus orientalis), which is a different plant and is toxic to cats.
Sources: ASPCA (no first-aid guidance).
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
Water Hyacinth is listed as non-toxic to cats and dogs.
NC State Extension Plant Toolbox
botanical · 94% reliability
Eichhornia crassipes is a perennial aquatic herb often used in water gardens.
Same cat verdict
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Cosmos bipinnatus
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