It carries a parasite of Monarch Butterflies termed Ophryocystis elektroscirrha, or OE, which might induce defects from the wings of Monarchs. Because it doesn’t die back and will bloom late, the plant by itself might also confuse Monarchs by signaling a breeding season when it’s time to migrate. In Might https://exploreyourgarden.site/are-milkweeds-perennials-or-annuals/