Harman US

Planting Calendar for ZIP 62266

Based on your local frost dates - last spring frost around Apr 12, first fall frost around Oct 20 - here is when to plant 79 common crops near ZIP 62266.

Last spring frost
Apr 12
First fall frost
Oct 20
Hardiness zone
6b

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Mar 1 Apr 19 (Transplant out) -
Peppers Feb 15 Apr 26 (Transplant out) -
Cucumbers Mar 22 Apr 19 (Transplant out) Aug 12
Zucchini Mar 22 Apr 19 (Transplant out) Aug 17
Summer Squash Mar 22 Apr 19 (Transplant out) Aug 15
Winter Squash Mar 22 Apr 19 (Transplant out) -
Pumpkins Mar 22 Apr 19 (Transplant out) -
Green Beans - Apr 12 (Direct sow) Aug 12
Sweet Corn - Apr 19 (Direct sow) -
Melons Mar 22 Apr 26 (Transplant out) -
Watermelon Mar 22 Apr 26 (Transplant out) -
Okra - Apr 26 (Direct sow) -
Eggplant Feb 15 Apr 26 (Transplant out) -
Lettuce Mar 15 Mar 15 (Transplant out) Aug 17
Spinach - Mar 1 (Direct sow) Aug 22
Kale Mar 1 Mar 22 (Transplant out) Aug 12
Peas - Mar 1 (Direct sow) Aug 7
Carrots - Mar 22 (Direct sow) Jul 28
Beets - Mar 15 (Direct sow) Aug 12
Radishes - Mar 15 (Direct sow) Sep 8
Broccoli Mar 1 Mar 29 (Transplant out) Aug 2
Cauliflower Mar 1 Mar 29 (Transplant out) Jul 28
Cabbage Mar 1 Mar 22 (Transplant out) Jul 28
Onions Feb 1 Mar 15 (Transplant out) -
Potatoes - Mar 29 (Direct sow) -
Swiss Chard Mar 15 Mar 29 (Transplant out) Aug 12
Sweet Potatoes - May 3 (Direct sow) -
Brussels Sprouts Mar 1 Mar 29 (Transplant out) Jun 28
Celery Feb 1 Apr 19 (Transplant out) -
Leeks Feb 1 Mar 29 (Transplant out) Jun 8
Turnips - Mar 29 (Direct sow) Aug 17
Rutabaga - Apr 12 (Direct sow) Jul 3
Parsnips - Mar 29 (Direct sow) Jun 8
Kohlrabi Mar 15 Mar 29 (Transplant out) Aug 12
Collard Greens Mar 1 Mar 29 (Transplant out) Aug 2
Mustard Greens - Mar 29 (Direct sow) Aug 22
Arugula - Mar 29 (Direct sow) Aug 27
Bok Choy Mar 15 Mar 29 (Transplant out) Aug 17
Green Onions - Mar 29 (Direct sow) Aug 7
Tomatillos Mar 1 Apr 19 (Transplant out) -
Fennel Mar 15 Mar 29 (Transplant out) Jul 18
Popcorn Apr 12 Apr 26 (Transplant out) -
Black-Eyed Peas Apr 12 Apr 26 (Transplant out) Jul 18
Lima Beans Apr 12 Apr 26 (Transplant out) -
Edamame Apr 12 Apr 26 (Transplant out) -
Peanuts Apr 12 Apr 26 (Transplant out) -
Globe Artichoke Feb 15 Mar 29 (Transplant out) Jul 8
Horseradish Apr 12 Mar 29 (Transplant out) -
Ground Cherries Mar 1 Apr 26 (Transplant out) -
Radicchio Mar 8 Mar 29 (Transplant out) Jul 28
Endive Mar 8 Mar 29 (Transplant out) Jul 8
Watercress Mar 22 Mar 29 (Transplant out) Aug 7
Sorrel Mar 1 Mar 22 (Transplant out) Aug 7
Sunchokes Apr 12 Mar 29 (Transplant out) -
Malabar Spinach Mar 1 Apr 26 (Transplant out) -
Amaranth Greens Mar 22 Apr 26 (Transplant out) Aug 22
Luffa Gourd Mar 1 Apr 26 (Transplant out) -
New Zealand Spinach Mar 15 Apr 26 (Transplant out) -
Fava Beans Apr 12 Mar 15 (Transplant out) Jul 13
Chayote Mar 15 Apr 26 (Transplant out) -
Corn Salad Apr 12 Mar 15 (Transplant out) Aug 7
Bitter Melon Mar 15 Apr 26 (Transplant out) -
Cardoon Mar 1 Apr 12 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Mar 1 Apr 19 (Transplant out) -
Cilantro - Mar 29 (Direct sow) Aug 17
Parsley Feb 15 Apr 26 (Transplant out) Jul 23
Dill - Apr 19 (Direct sow) Aug 7
Lemon Balm Mar 1 Apr 12 (Transplant out) -
Borage Apr 12 Apr 12 (Transplant out) Aug 12
Chervil Apr 12 Mar 22 (Transplant out) Aug 12
Lemongrass Feb 15 Apr 26 (Transplant out) -
Summer Savory Mar 1 Apr 12 (Transplant out) -
Marjoram Mar 1 Apr 19 (Transplant out) -
Lovage Mar 1 Apr 12 (Transplant out) Jul 8
Anise Hyssop Feb 15 Apr 12 (Transplant out) -
Shiso Mar 1 Apr 19 (Transplant out) -
Stevia Feb 15 Apr 26 (Transplant out) -
Chamomile Mar 1 Mar 29 (Transplant out) Aug 2
Tarragon Apr 12 Apr 12 (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 Belleville Siu Rsch, Il, 10.5 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 62266 Local weather →