Cats & Dogs
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

Cucumis sativus
The cucumber is a widely cultivated creeping vine known for its edible, refreshing fruit. It is considered safe for household pets, though large ingestions of plant material may cause minor digestive discomfort.
Safety status
Cats & Dogs
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
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 typically expected; however, excessive consumption of fibrous plant material may lead to mild vomiting or diarrhea.
Escalation note
The plant is non-toxic. If your cat consumes a large amount and shows signs of distress, contact your veterinarian for guidance.
Dogs — concern notes
Common signs
None typically expected; however, excessive consumption of fibrous plant material may lead to mild vomiting or diarrhea.
Escalation note
The plant is non-toxic. If your dog consumes a large amount and shows signs of distress, contact your veterinarian for guidance.
Bring it home
Cucumberis generally pet-safe in ordinary household exposure. If you’d like one for your space, here’s a starting point.
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ASPCA Toxic Plant List
toxicology · 99% reliability
Cucumber is listed as non-toxic to both cats and dogs.
NC State Extension Plant Toolbox
botanical · 94% reliability
Cucumis sativus is a tender annual vine grown for its edible fruit.
No, cucumber (Cucumis sativus) is non-toxic to cats. It is classified as generally safe, meaning it poses no known poisoning risk to your cat.
Eating small amounts of cucumber plant material is unlikely to cause any harm. Excessive consumption of the fibrous leaves or vines may lead to mild vomiting or diarrhea due to the bulk of plant matter, not toxicity.
Cucumber is non-toxic, but a large ingestion of plant material can cause minor digestive upset such as vomiting or loose stools. If your cat shows signs of prolonged distress or stops eating, contact your veterinarian for guidance.
Non-toxic means cucumber won't poison your cat, but that doesn't make it an unlimited snack. Large quantities of any plant material can cause GI upset in cats, so occasional nibbles are fine but unrestricted access to the plant isn't recommended.
No, cucumber (Cucumis sativus) is non-toxic to dogs. According to an ASPCA provenance audit verified in May 2026, the plant is considered generally safe for household pets.
Cucumber itself is non-toxic, but excessive consumption of fibrous plant material may lead to mild vomiting or diarrhea. Symptoms are typically minor and self-limiting.
Monitor your dog for signs of digestive upset such as vomiting or diarrhea. If your dog shows signs of distress or symptoms persist, contact your veterinarian for guidance.
The classification covers the cucumber plant (Cucumis sativus) as a whole and identifies it as non-toxic to dogs; however, the fibrous leaves and vines are harder to digest than the fruit and are more likely to cause mild GI upset in large amounts.
Same genus

Bur Gourd is a vining plant in the cucumber family known for its small, spiky, edible fruits. It is generally considered safe for household pets, though its fibrous nature may cause minor digestive discomfort if consumed in large quantities.
Generally safe for cats & dogs.

Casaba melon is a variety of muskmelon known for its sweet, pale flesh and thick, wrinkled rind. While the plant is considered non-toxic, ingestion of large amounts of fibrous plant material may cause minor digestive discomfort.
Generally safe for cats & dogs.
The Hedgehog Gourd is a unique, spiny-fruited vine often grown for its ornamental appearance. While it is considered non-toxic to pets, its fibrous nature can cause mild digestive discomfort if consumed in large quantities.
Not yet rated for cats.
Generally safe for dogs.
Same safety verdict

Acorn squash is a popular edible winter squash known for its ribbed, dark green skin and sweet, yellow-orange flesh. It is widely cultivated for culinary use and is considered safe for household pets.
Generally safe for cats & dogs.

Banana squash is a large, edible winter squash variety known for its elongated shape and sweet, dense flesh. It is considered safe for household pets, though large ingestions of raw plant material may cause minor digestive discomfort.
Generally safe for cats & dogs.

Bullbrier is a hardy, woody vine native to North America, often recognized by its prickly stems and rounded leaves. It is considered non-toxic to pets, though its fibrous nature may cause minor digestive discomfort if consumed in large quantities.
Generally safe for cats & dogs.

Buttercup squash is a popular winter squash variety known for its sweet, nutty flavor and dense, orange flesh. It is considered safe for pets, though large ingestions of raw plant material may cause minor digestive discomfort.
Generally safe for cats & dogs.
Same growing conditions

The American Chestnut is a deciduous tree known for its historical significance and edible nuts. It is considered non-toxic to pets, though ingestion of large amounts of fibrous plant material may cause minor digestive discomfort.
Generally safe for cats & dogs.

The apple tree is a deciduous fruit-bearing plant known for its edible fruit, though the seeds and foliage contain cyanogenic glycosides that can be harmful if ingested in large quantities. While the fruit flesh is generally safe, the plant parts containing amygdalin pose a risk to pets.
Potentially toxic for cats & dogs.

The apricot tree is a fruit-bearing species in the rose family. While the fruit flesh is generally considered safe, the stems, leaves, and seeds contain cyanogenic glycosides that can be harmful if ingested.
Potentially toxic for cats & dogs.

Barbados Pride is a flowering shrub known for its striking yellow flowers and long red stamens. It contains compounds that can cause gastrointestinal distress if ingested by pets.
Potentially toxic for cats & dogs.