Outstanding in their field

LONGMONT — A small crop of organic farmers is on the leading edge of growing non-GMO foods in Boulder County.

GMO-Free Boulder – a local advocacy group – last year called for county commissioners to ban all genetically modified crops from open-space land owned by Boulder County and leased to farmers. Natural and organic food industry leaders such as Mark Retzloff, a founder of Alfalfa’s Market grocery stores, and Steve Demos, founder and former president of White Wave Inc. (makers of Silk soymilk) are involved with the group.

Boulder County’s three commissioners voted unanimously in December to allow some genetically modified crops…