It carries a parasite of Monarch Butterflies identified as Ophryocystis elektroscirrha, or OE, which can result in defects from the wings of Monarchs. As it doesn’t die again and will bloom late, the plant alone might also confuse Monarchs by signaling a breeding period when it’s time to migrate. By https://is-milkweed-an-annual-or98641.ttblogs.com/10502462/the-ultimate-guide-to-are-milkweeds-perennials-or-annuals