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"Poisonous" does not mean deadly. Some manifestations of toxicity are subtle. The dose, as always, determines if a plant is safe source of nutrients or a toxic hazard.

Scientific Name: Medicago sativa

Common Name: Alfalfa, Lucerne

Species Most Often Affected: cattle, chickens, humans, sheep

Poisonous Parts: all

Primary Poisons: canavanine, saponins

Questions possibly pertaining to Medicago sativa:

Is alfalfa hay causing the welts on my horse?

Is alfalfa toxic once frost hits?

Why are alfalfa and Tall fescue on the list of poisonous plants?

Is alfalfa really a poisonous plant?

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