It carries a parasite of Monarch Butterflies termed Ophryocystis elektroscirrha, or OE, which could result in defects in the wings of Monarchs. Because it doesn’t die back and may bloom late, the plant by itself may additionally confuse Monarchs by signaling a breeding year when it’s time emigrate. It’s also https://exploreyourgarden.site/are-milkweeds-perennials-or-annuals/