MILKWEED SAMPLER PACK. Here are five of the most popular milkweeds. All are American Native Wildflowers. They all have the same growth characteristics. All are extremely winter hardy, except the Tropical Bloodflower (Annual). Most milkweed is a Perennial with a fairly long lifespan(5yrs+) Milkweed is the primary food plant of the monarch butterfly caterpillars. The monarch population has been decreasing by 50% a year for over ten years. The reason is not enough wild milkweed for the babies to eat. Once established this plant requires very little care. Drought and heat tolerant. Not picky about soils. One plant of Milkweed will form a large clump by its spreading rhizomes, which can be divided. This happens the second season and beyond. 400+ Quality heirloom seeds. Pic# 2,6 Common Milkweed (50 seeds) Pic# 3,7 Swamp or Rose Milkweed (50 Seeds) Pic# 4,8 Showy Milkweed (50 Seeds) Pic# 5,9 Orange Butterfly Weed (100 Seeds).  Free same day shipping with tracking.