Dogbane — no rights reserved, uploaded by Lynn Harper
Photo by no rights reserved, uploaded by Lynn HarperiNaturalistCC0
cat safety reference

Is Dogbane safe for cats?

Apocynum spp.

Dogbane is a genus of perennial herbaceous plants known for their milky latex sap and potential toxicity to animals. It is generally considered a wild plant rather than a typical houseplant, but it may be encountered in gardens or naturalized areas.

ApocynumApocynum spp.DogbaneIndian Hemp
Light
Full sun to partial shade
Habit
Upright, rhizomatous perennial
Care
Low

Safety status

Cats

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

Verified against ASPCA/provenance audit 2026-05-06 on May 6, 2026.

What this means for your cat

Cats rarely eat dogbane in quantity — the plant is bitter and very fibrous — but any meaningful ingestion is a heart-medicine emergency. ASPCA lists Apocynum as toxic to cats via cardenolides (cardiac glycosides structurally related to digitalis).

What to watch for

Most-to-least common signs in cats: diarrhea (sometimes bloody), slowed or irregular heart rate, weakness or sudden lethargy, and vomiting. The cardiac signs are what make this plant dangerous beyond simple GI upset.

Time window

ASPCA does not specify an onset window for cats; cardiac-glycoside ingestions in companion animals typically present within hours.

When to call the vet

Call immediately if any ingestion is suspected — do not wait for symptoms. Treat any visible weakness, collapse, or change in heart rate or breathing as an emergency and head to a vet hospital.

Sources: ASPCA, NC State Extension Plant Toolbox (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.

Catsconcern notes

Common signs

Vomiting, diarrhea, drooling, cardiac arrhythmias, and lethargy.

Escalation note

Contains cardiac glycosides which can be life-threatening if ingested. Contact your veterinarian immediately if ingestion is suspected.

Safer alternatives

No hand-picked alternatives for this plant yet. You can still pick your own using the Compare button on any other plant.

Source evidence

ASPCA Toxic Plant List

toxicology · 99% reliability

Open source

Dogbane is listed as toxic to both cats and dogs due to the presence of cardiac glycosides.

NC State Extension Plant Toolbox

botanical · 94% reliability

Open source

Apocynum cannabinum is a native perennial that contains toxic milky sap.

Cats & dogs pagedogs pageMy cat ate Dogbane

Same cat verdict

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