Washington Bulb Co., Inc. is the largest domestic grower of cut tulips, daffodil, iris and lilies flowers and their bulbs, lo ... cated in Mount Vernon, WA. CROPS GROWN AND ACREAGE: Daffodils - 500 acres Tulips - 350 acres Iris - 150 acres Wheat - 600 acres SALES: Over 70 million cut flowers are shipped all over the U.S. annually. 10's of millions of bulbs are shipped throughout the U.S. and Canada annually. read more