It carries a parasite of Monarch Butterflies known as Ophryocystis elektroscirrha, or OE, which can bring about defects within the wings of Monarchs. As it doesn’t die back again and will bloom late, the plant itself could also confuse Monarchs by signaling a breeding period when it’s time emigrate. Common https://are-milkweed-annual-or-pe98642.life3dblog.com/30147070/an-unbiased-view-of-is-butterfly-milkweed-a-perennial