You might also need a herbicide applied for about two years to remove this thistle effectively. Commercial attempts to make use of this abundant plant included the manufacture of paper, fabric, lubricant, fuel, and rubber; eventually these became impractical and were abandoned. SEED BRAND LIST.  Source: <a href=https://turbomik.ru/butterfly-weed-seeds-butterfly-milkweed-seeds/>https://turbomik.ru/butterfly-weed-seeds-butterfly-milkweed-seeds/</a>