Butterfly Weed Care Plant butterfly weed in late spring following the soil warms. Do not be expecting it to bloom the very first 12 months; flowering may just take a few a long time. Blooms past about two months, from late spring until finally late summer months. A. tuberosa Study https://is-butterfly-milkweed-a-p86429.uzblog.net/the-ultimate-guide-to-are-milkweeds-perennials-or-annuals-44982489