Johnny Butterflyseed Offers Milkweed Seed “Six Pack” with Free US Shippingby JohnnyButterfly Farming, Milkweeds (Asclepias), Monarch (Danaus plexippus)Posted on November 15, 2021November 15, 2021No Comments Johnny Butterflyseed is offering a Milkweed seed Six-Pack for $12 with free shipping.