Some plants make poison ivy look harmless, delivering venom so persistent it can outlast treatments, seasons, and even the ...

Many of us encourage milkweed to grow in our yards because it's a host plant for monarch butterflies. When caterpillars eat milkweed, its toxins shield them against predators. But in humans and pets, ...

Toxic and poisonous plants grow in Michigan, including giant hogweed, poison ivy, poison oak, wild parsnip, poison sumac and poison hemlock. Contact with the plants can cause skin irritation, blisters ...