This could be the best value in the Grow Milkweed Plants store. Whorled milkweed is the smallest milkweed seed by weight in the milkweed plant family. Don't let the small seed size dissuade you about their value. Whorled milkweed is the monarchs second most abundant food source across the United States. Common milkweed is the most abundant. The excellent germination and light weight of the seed allow it to drift and spread in the wind. One gram of seed is equal to approximately five hundred seeds! The adult plant has a soft appearance that is at home in a tall grass prairie; where it prefers to grow. Plant along garden boarders and open spaces. Adds a soft wispy look in the garden or for a prairie restoration, whorled milkweed is a great choice.