Over millions of years under attack from insects, milkweed plants have developed considerable defenses. These include incredible toxicity – sufficient to kill a horse or sheep – which emanates from a milkweed’s leaves in a sticky liquid.
Over millions of years under attack from insects, milkweed plants have developed considerable defenses. These include incredible toxicity – sufficient to kill a horse or sheep – which emanates from a milkweed’s leaves in a sticky liquid.