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.
cat safety reference
Is Cornflower safe for cats?
Centaurea cyanus
Bachelor's Button is a popular annual flowering plant known for its vibrant blue blooms and ease of cultivation. It is considered non-toxic to pets, though ingestion of large amounts of fibrous plant material may cause minor digestive discomfort.
Bachelor's ButtonsBluebottleCentaurea cyanusCornflower
- Light
- Full sun
- Habit
- Upright annual
- Care
- Low
Safety status
What this means for your cat
Cats sampling cornflower (also sold as Bachelor's Buttons) aren't being poisoned — ASPCA classifies Centaurea cyanus as non-toxic to cats under both common names, and no toxic principle is listed.
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
None expected, though large ingestions may cause mild vomiting or diarrhea due to fiber content.
Escalation note
Generally considered safe. If your cat consumes a large quantity and shows persistent signs of distress, contact your veterinarian.
Bring it home
Cornfloweris generally pet-safe in ordinary household exposure. If you’d like one for your space, here’s a starting point.
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Source evidence
Questions about Cornflower
Is cornflower toxic to cats?
Cornflower (Centaurea cyanus) is considered non-toxic to cats. It is classified as generally safe, meaning it is not expected to cause poisoning or serious harm if your cat nibbles on it.
What happens if my cat eats cornflower?
Most cats will show no symptoms at all. If your cat eats a large amount, the fibrous plant material may cause mild vomiting or diarrhea, but serious effects are not expected.
How much cornflower is too much for a cat?
There is no documented toxic threshold for cornflower in cats. The concern with large ingestions is purely digestive — excess fiber can upset the stomach — rather than any toxic compound in the plant.
Should I call my vet if my cat ate cornflower?
A small nibble does not warrant an emergency call. If your cat ate a large quantity and shows persistent vomiting, diarrhea, or signs of distress that do not resolve within a few hours, contact your veterinarian.
Same cat verdict
Related plants for cats
Cape Marigold
Dimorphotheca pluvialis
Cape Marigold is a cheerful, daisy-like annual known for its vibrant blooms that open in sunlight. It is considered safe for households with pets, though ingestion of large amounts of plant material may cause minor digestive discomfort.
Generally safe for cats & dogs.
China Aster
Callistephus chinensis
China Aster is a popular annual flowering plant known for its daisy-like blooms and vibrant colors. It is considered non-toxic to household pets, though ingestion of large amounts of plant material may cause minor digestive discomfort.
Generally safe for cats & dogs.
Lesser Snapdragon
Antirrhinum orontium
The Lesser Snapdragon is a charming, slender annual wildflower often found in gardens and fields. It is considered safe for pets, though ingestion of large amounts of plant material may cause minor digestive discomfort.
Generally safe for cats & dogs.
Cosmos
Cosmos bipinnatus
Garden cosmos is a daisy-like annual usually treated as a pet-safe flowering option, though any large plant ingestion can still cause mild stomach upset.
Generally safe for cats & dogs.