It carries a parasite of Monarch Butterflies known as Ophryocystis elektroscirrha, or OE, which often can trigger defects from the wings of Monarchs. Since it doesn’t die back again and can bloom late, the plant alone may confuse Monarchs by signaling a breeding period when it’s time emigrate. Common Milkweed https://is-milkweed-a-flower54297.ltfblog.com/30144744/5-simple-statements-about-are-milkweed-plants-perennials-explained