PlantBetter

Plants dangerous to sheep

Sheep graze close to the ground and can eat toxic weeds when pasture is short.

Sheep

Warning signs: Bloat, staggering, recumbency, photosensitivity, sudden death.

If you suspect poisoning: remove any plant material, keep a sample, and call your vet or ASPCA Animal Poison Control at (888) 426-4435 immediately.

10 plants to keep away from sheep

  • Yew

    Severe

    Taxine alkaloids cause sudden heart failure.

  • Grayanotoxins cause vomiting, weakness, abnormal heart rhythm.

  • Ragwort

    Severe

    Pyrrolizidine alkaloids cause cumulative, irreversible liver damage.

  • Bracken fern

    Severe

    Causes vitamin B1 deficiency and bone marrow damage over time.

  • Oleander

    Severe

    Cardiac glycosides disrupt heart rhythm; can be fatal in small amounts.

  • Water & poison hemlock

    Severe

    Violent seizures and respiratory failure; often fatal.

  • Rhubarb leaves

    Severe

    Oxalic acid causes kidney damage and tremors.

  • Milkweed

    Severe

    Cardiac glycosides cause heart problems and seizures.

  • Oak (acorns & young leaves)

    Moderate

    Tannins cause kidney damage and colic.

  • Buttercup

    Moderate

    Blistering of the mouth, drooling and colic.

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General information only, not veterinary advice. Toxicity varies with the amount eaten and the animal's size.