Harman US

Planting Calendar for ZIP 62908

Based on your local frost dates - last spring frost around Apr 3, first fall frost around Nov 5 - here is when to plant 79 common crops near ZIP 62908.

Last spring frost
Apr 3
First fall frost
Nov 5
Hardiness zone
7a

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Feb 20 Apr 10 (Transplant out) -
Peppers Feb 6 Apr 17 (Transplant out) -
Cucumbers Mar 13 Apr 10 (Transplant out) Aug 28
Zucchini Mar 13 Apr 10 (Transplant out) Sep 2
Summer Squash Mar 13 Apr 10 (Transplant out) Aug 31
Winter Squash Mar 13 Apr 10 (Transplant out) -
Pumpkins Mar 13 Apr 10 (Transplant out) -
Green Beans - Apr 3 (Direct sow) Aug 28
Sweet Corn - Apr 10 (Direct sow) -
Melons Mar 13 Apr 17 (Transplant out) -
Watermelon Mar 13 Apr 17 (Transplant out) -
Okra - Apr 17 (Direct sow) -
Eggplant Feb 6 Apr 17 (Transplant out) -
Lettuce Mar 6 Mar 6 (Transplant out) Sep 2
Spinach - Feb 20 (Direct sow) Sep 7
Kale Feb 20 Mar 13 (Transplant out) Aug 28
Peas - Feb 20 (Direct sow) Aug 23
Carrots - Mar 13 (Direct sow) Aug 13
Beets - Mar 6 (Direct sow) Aug 28
Radishes - Mar 6 (Direct sow) Sep 24
Broccoli Feb 20 Mar 20 (Transplant out) Aug 18
Cauliflower Feb 20 Mar 20 (Transplant out) Aug 13
Cabbage Feb 20 Mar 13 (Transplant out) Aug 13
Onions Jan 23 Mar 6 (Transplant out) -
Potatoes - Mar 20 (Direct sow) -
Swiss Chard Mar 6 Mar 20 (Transplant out) Aug 28
Sweet Potatoes - Apr 24 (Direct sow) -
Brussels Sprouts Feb 20 Mar 20 (Transplant out) Jul 14
Celery Jan 23 Apr 10 (Transplant out) -
Leeks Jan 23 Mar 20 (Transplant out) Jun 24
Turnips - Mar 20 (Direct sow) Sep 2
Rutabaga - Apr 3 (Direct sow) Jul 19
Parsnips - Mar 20 (Direct sow) Jun 24
Kohlrabi Mar 6 Mar 20 (Transplant out) Aug 28
Collard Greens Feb 20 Mar 20 (Transplant out) Aug 18
Mustard Greens - Mar 20 (Direct sow) Sep 7
Arugula - Mar 20 (Direct sow) Sep 12
Bok Choy Mar 6 Mar 20 (Transplant out) Sep 2
Green Onions - Mar 20 (Direct sow) Aug 23
Tomatillos Feb 20 Apr 10 (Transplant out) -
Fennel Mar 6 Mar 20 (Transplant out) Aug 3
Popcorn Apr 3 Apr 17 (Transplant out) -
Black-Eyed Peas Apr 3 Apr 17 (Transplant out) Aug 3
Lima Beans Apr 3 Apr 17 (Transplant out) -
Edamame Apr 3 Apr 17 (Transplant out) -
Peanuts Apr 3 Apr 17 (Transplant out) -
Globe Artichoke Feb 6 Mar 20 (Transplant out) Jul 24
Horseradish Apr 3 Mar 20 (Transplant out) -
Ground Cherries Feb 20 Apr 17 (Transplant out) -
Radicchio Feb 27 Mar 20 (Transplant out) Aug 13
Endive Feb 27 Mar 20 (Transplant out) Jul 24
Watercress Mar 13 Mar 20 (Transplant out) Aug 23
Sorrel Feb 20 Mar 13 (Transplant out) Aug 23
Sunchokes Apr 3 Mar 20 (Transplant out) -
Malabar Spinach Feb 20 Apr 17 (Transplant out) -
Amaranth Greens Mar 13 Apr 17 (Transplant out) Sep 7
Luffa Gourd Feb 20 Apr 17 (Transplant out) -
New Zealand Spinach Mar 6 Apr 17 (Transplant out) -
Fava Beans Apr 3 Mar 6 (Transplant out) Jul 29
Chayote Mar 6 Apr 17 (Transplant out) -
Corn Salad Apr 3 Mar 6 (Transplant out) Aug 23
Bitter Melon Mar 6 Apr 17 (Transplant out) -
Cardoon Feb 20 Apr 3 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Feb 20 Apr 10 (Transplant out) -
Cilantro - Mar 20 (Direct sow) Sep 2
Parsley Feb 6 Apr 17 (Transplant out) Aug 8
Dill - Apr 10 (Direct sow) Aug 23
Lemon Balm Feb 20 Apr 3 (Transplant out) -
Borage Apr 3 Apr 3 (Transplant out) Aug 28
Chervil Apr 3 Mar 13 (Transplant out) Aug 28
Lemongrass Feb 6 Apr 17 (Transplant out) -
Summer Savory Feb 20 Apr 3 (Transplant out) -
Marjoram Feb 20 Apr 10 (Transplant out) -
Lovage Feb 20 Apr 3 (Transplant out) Jul 24
Anise Hyssop Feb 6 Apr 3 (Transplant out) -
Shiso Feb 20 Apr 10 (Transplant out) -
Stevia Feb 6 Apr 17 (Transplant out) -
Chamomile Feb 20 Mar 20 (Transplant out) Aug 18
Tarragon Apr 3 Apr 3 (Transplant out) -
How to read this calendar

Start seeds indoors is when to sow in trays inside so seedlings are ready to transplant. Plant outside is when to transplant seedlings or direct-sow seed, based on frost tolerance. Fall planting by is the latest date to start a fall crop and still harvest before the first fall frost. Tender crops wait until after the last spring frost; hardy crops can go out earlier.

Computed from NOAA 1991–2020 Climate Normals at Grand Chain Dam 53, Il, 12.2 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 62908 Local weather →