summer The following harvest items are seasonally available in Illinois. Click on each to discover recipes, classroom activities, fun facts and more: Straw-berries Description Spice Mix Description Melons Description Tomatoes Description Hot Peppers Description Cucumber Description Corn Description Summer Squash Description Bell Peppers Description Blue-berries Description Lettuce Description Cabbage Description Peas Description Green Beans Description Spinach Description Beets Description Broccoli Description Herbs Description Peaches Description Plums Description