- You will get 2000 Seeds of Florida Broadleaf Mustard | NON-GMO Heirloom Vegetable Seeds. - Genus: Brassica. - 2000 Florida Broadleaf Mustard Seeds | NON-GMO Heirloom. - Florida Broad Leaf features broad, oval, bright-green leaves. Upright habit, white mid-ribs and toothed edges. 55 days.