It carries a parasite of Monarch Butterflies named Ophryocystis elektroscirrha, or OE, which often can induce defects inside the wings of Monarchs. As it doesn’t die back and may bloom late, the plant alone may additionally confuse Monarchs by signaling a breeding season when it’s time to migrate. Butterfly Weed https://exploreyourgarden.site/are-milkweeds-perennials-or-annuals/