Exact crop availability and harvest times vary year-to-year, but this summary will help you know when to look for what at markets near you in Illinois. You can also look up produce by seasons (spring, summer, fall, winter) or region.

Apples, July through November

Arugula, May through September

Asparagus, April through June

Basil, July through September

Beets, May through October

Blackberrries, July into August

Blueberries, July into August

Broccoli, June through October

Brussels sprouts, August through November

Cabbage, June through November (local harvest available from storage through March)

Cantaloupes, August and September

Carrots, May through November (local harvest available from storage through winter)

Cauliflower, August through October

Celeriac/celery root, August through October

Celery, August through October

Chard, May through September

Cherries, June and July

Cilantro, June through September

Corn, mid-June through mid-August

Cucumbers, July through mid-October

Eggplant, July through mid-October

Fava beans, May

Fennel,

Garlic, August through November

Garlic scapes/green garlic, May and June

Grapes, August and September

Green beans, July through September

Green Onions/Scallions, June through September

Greens (various), May through November

Herbs, various, May through October

Horseradish, June through November

Kale, June through November

Leeks, August through October

Lettuce (various), May through October

Melons, July through September

Morels, spring

Mushrooms (cultivated), year-round

Mushrooms (wild), spring through fall, varies tremendously each year

Nectarines, June through September

Okra, June through October

Onions, August through October (local harvest available from storage year-round)

Parsley, May through September

Parsnips, April and May and again in October through November (local harvest available from storage through winter)

Pea greens, May and June

Peaches, July and August

Pears, August through October

Peas and pea pods, June through August

Peppers (sweet), June through September

Persimmons, October

Plums & pluots, July and August

Potatoes, July through November (local harvest available from storage year-round)

Pumpkins, September through October

Radishes, May through October

Raspberries, June into August

Rhubarb, April through June

Shelling Beans, September through October (local harvest available dried year-round)

Spinach, May through October

Squash (summer), July through October

Squash (winter), August through November (local harvest available from storage into spring

Strawberries, June and July

Tomatoes, July through October

Turnips, August through November (local harvest available from storage through February)

Watermelons, August through September

Zucchini, July through October

Zucchini Blossoms, July and August