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
Pet safety reference
Butternut Squash
Cucurbita moschata
Butternut squash is a popular edible winter squash that is considered safe for pets to consume in moderation. While non-toxic, large quantities of raw or fibrous material may cause mild digestive discomfort.
Cucurbita maxima cv butternutCucurbita moschataWinter Squash
- Light
- Full Sun
- Habit
- Vining
- Care
- Moderate
Safety status
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 ingestion of raw, 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 ingestion of raw, 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
Butternut Squashis 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
ASPCA Toxic Plant List
toxicology · 99% reliability
Butternut squash is listed as non-toxic to cats and dogs.
NC State Extension Plant Toolbox
botanical · 94% reliability
Cucurbita moschata is a species of squash widely cultivated for its edible fruit.
Questions about Butternut Squash
Is butternut squash toxic to cats?
No, butternut squash (Cucurbita moschata) is non-toxic to cats. It is classified as generally safe, meaning it poses no known toxic risk.
What happens if a cat eats butternut squash?
Most cats will have no reaction at all. If a cat eats a large amount of raw or fibrous butternut squash, mild vomiting or diarrhea is possible due to the fibrous plant material, not any toxic compound.
How much butternut squash is too much for a cat?
There is no established toxic dose because butternut squash is non-toxic, but large quantities of raw, fibrous material can cause mild digestive upset. Small, cooked amounts are far less likely to cause any GI discomfort than large amounts of raw squash.
Should I be worried if my cat ate some butternut squash?
A small amount is not cause for concern — butternut squash is non-toxic to cats. If your cat consumed a large quantity and is showing signs of distress such as repeated vomiting or diarrhea, contact your veterinarian for guidance.
Is butternut squash toxic to dogs?
No, butternut squash (Cucurbita moschata) is non-toxic to dogs. It is classified as generally safe, meaning it does not contain compounds that are poisonous to dogs.
Can eating butternut squash make my dog sick?
Butternut squash is unlikely to cause illness in dogs, but excessive amounts of raw or fibrous plant material can lead to mild vomiting or diarrhea. Cooked, plain squash in small quantities is the safest way to share it.
What should I do if my dog ate a large amount of butternut squash?
Because butternut squash is non-toxic, a large ingestion is not a poisoning emergency, but watch for signs of digestive upset such as vomiting or diarrhea. If your dog shows significant distress or symptoms persist, contact your veterinarian for guidance.
Is the skin or raw flesh of butternut squash safe for dogs to eat?
The flesh of butternut squash is non-toxic to dogs, but raw, fibrous portions — including the skin and stringy pulp — are harder to digest and more likely to cause GI upset than cooked squash. Plain cooked squash without seeds or seasoning is the safer option.
Same genus
More from the Cucurbita genus
Acorn Squash
Cucurbita pepo
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
Cucurbita maxima var. banana
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.
Buttercup Squash
Cucurbita maxima
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.
Fig Leaf Gourd
Cucurbita ficifolia
The Fig Leaf Gourd is a fast-growing, vining plant often cultivated for its edible fruit and seeds. It is considered non-toxic to household pets, though large ingestions of fibrous plant material may cause minor digestive discomfort.
Generally safe for cats & dogs.
Same safety verdict
Other plants with the same verdict
Bullbrier
Smilax rotundifolia
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.
Bur Gourd
Cucumis anguria
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
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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.
Cat Brier
Smilax glabra
Cat Brier is a hardy, woody vine known for its tough stems and foliage. 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.
Same growing conditions
