Common milkweed was present in only 8% of Iowa corn and soybean fields in 2009 compared to 51% in 1999.

Reduction in common milkweed Asclepias syriaca occurrence in Iowa cropland frm 1999 to 2009.

My childhod memories of Iowa are full of country roads glittering with butterflies and drifting milkweed seeds. It breaks my heart to know we are losing habitat for these natural pollinators.