Harman US

Planting Calendar for ZIP 62079

Based on your local frost dates - last spring frost around Apr 14, first fall frost around Oct 19 - here is when to plant 79 common crops near ZIP 62079.

Last spring frost
Apr 14
First fall frost
Oct 19
Hardiness zone
6b

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Mar 3 Apr 21 (Transplant out) -
Peppers Feb 17 Apr 28 (Transplant out) -
Cucumbers Mar 24 Apr 21 (Transplant out) Aug 11
Zucchini Mar 24 Apr 21 (Transplant out) Aug 16
Summer Squash Mar 24 Apr 21 (Transplant out) Aug 14
Winter Squash Mar 24 Apr 21 (Transplant out) -
Pumpkins Mar 24 Apr 21 (Transplant out) -
Green Beans - Apr 14 (Direct sow) Aug 11
Sweet Corn - Apr 21 (Direct sow) -
Melons Mar 24 Apr 28 (Transplant out) -
Watermelon Mar 24 Apr 28 (Transplant out) -
Okra - Apr 28 (Direct sow) -
Eggplant Feb 17 Apr 28 (Transplant out) -
Lettuce Mar 17 Mar 17 (Transplant out) Aug 16
Spinach - Mar 3 (Direct sow) Aug 21
Kale Mar 3 Mar 24 (Transplant out) Aug 11
Peas - Mar 3 (Direct sow) Aug 6
Carrots - Mar 24 (Direct sow) Jul 27
Beets - Mar 17 (Direct sow) Aug 11
Radishes - Mar 17 (Direct sow) Sep 7
Broccoli Mar 3 Mar 31 (Transplant out) Aug 1
Cauliflower Mar 3 Mar 31 (Transplant out) Jul 27
Cabbage Mar 3 Mar 24 (Transplant out) Jul 27
Onions Feb 3 Mar 17 (Transplant out) -
Potatoes - Mar 31 (Direct sow) -
Swiss Chard Mar 17 Mar 31 (Transplant out) Aug 11
Sweet Potatoes - May 5 (Direct sow) -
Brussels Sprouts Mar 3 Mar 31 (Transplant out) Jun 27
Celery Feb 3 Apr 21 (Transplant out) -
Leeks Feb 3 Mar 31 (Transplant out) Jun 7
Turnips - Mar 31 (Direct sow) Aug 16
Rutabaga - Apr 14 (Direct sow) Jul 2
Parsnips - Mar 31 (Direct sow) Jun 7
Kohlrabi Mar 17 Mar 31 (Transplant out) Aug 11
Collard Greens Mar 3 Mar 31 (Transplant out) Aug 1
Mustard Greens - Mar 31 (Direct sow) Aug 21
Arugula - Mar 31 (Direct sow) Aug 26
Bok Choy Mar 17 Mar 31 (Transplant out) Aug 16
Green Onions - Mar 31 (Direct sow) Aug 6
Tomatillos Mar 3 Apr 21 (Transplant out) -
Fennel Mar 17 Mar 31 (Transplant out) Jul 17
Popcorn Apr 14 Apr 28 (Transplant out) -
Black-Eyed Peas Apr 14 Apr 28 (Transplant out) Jul 17
Lima Beans Apr 14 Apr 28 (Transplant out) -
Edamame Apr 14 Apr 28 (Transplant out) -
Peanuts Apr 14 Apr 28 (Transplant out) -
Globe Artichoke Feb 17 Mar 31 (Transplant out) Jul 7
Horseradish Apr 14 Mar 31 (Transplant out) -
Ground Cherries Mar 3 Apr 28 (Transplant out) -
Radicchio Mar 10 Mar 31 (Transplant out) Jul 27
Endive Mar 10 Mar 31 (Transplant out) Jul 7
Watercress Mar 24 Mar 31 (Transplant out) Aug 6
Sorrel Mar 3 Mar 24 (Transplant out) Aug 6
Sunchokes Apr 14 Mar 31 (Transplant out) -
Malabar Spinach Mar 3 Apr 28 (Transplant out) -
Amaranth Greens Mar 24 Apr 28 (Transplant out) Aug 21
Luffa Gourd Mar 3 Apr 28 (Transplant out) -
New Zealand Spinach Mar 17 Apr 28 (Transplant out) -
Fava Beans Apr 14 Mar 17 (Transplant out) Jul 12
Chayote Mar 17 Apr 28 (Transplant out) -
Corn Salad Apr 14 Mar 17 (Transplant out) Aug 6
Bitter Melon Mar 17 Apr 28 (Transplant out) -
Cardoon Mar 3 Apr 14 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Mar 3 Apr 21 (Transplant out) -
Cilantro - Mar 31 (Direct sow) Aug 16
Parsley Feb 17 Apr 28 (Transplant out) Jul 22
Dill - Apr 21 (Direct sow) Aug 6
Lemon Balm Mar 3 Apr 14 (Transplant out) -
Borage Apr 14 Apr 14 (Transplant out) Aug 11
Chervil Apr 14 Mar 24 (Transplant out) Aug 11
Lemongrass Feb 17 Apr 28 (Transplant out) -
Summer Savory Mar 3 Apr 14 (Transplant out) -
Marjoram Mar 3 Apr 21 (Transplant out) -
Lovage Mar 3 Apr 14 (Transplant out) Jul 7
Anise Hyssop Feb 17 Apr 14 (Transplant out) -
Shiso Mar 3 Apr 21 (Transplant out) -
Stevia Feb 17 Apr 28 (Transplant out) -
Chamomile Mar 3 Mar 31 (Transplant out) Aug 1
Tarragon Apr 14 Apr 14 (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 Jerseyville 2 Sw, Il, 11.3 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 62079 Local weather →