Free - seedlings of Milkweed plants to give away. Start your own Monarch butterfly patch of Milkweed. Monarch butterfly caterpillars feed exclusively on Milkweed plants and, as such, milkweed is critical to the survival of the species. Dedicate a bit of space in your flower garden for Milkweed and watch the Monarchs lay their eggs. Email or call to pick up 705-987-6561.