Kris Mayerle is a third generation pedigreed seed grower and, with his wife Rhonda & the continued seasonal help of his father Erwin, owns and operates Greenleaf Seeds Ltd., a pedigreed seed farm and processing plant, at Tisdale, Sask. Greenleaf Seeds Ltd. is a 25,000 acre farm growing wheat, canola, oats, barley, peas, fababeans, hemp, and flax, with roughly a third in seed production.