Harman US

Planting Calendar for ZIP 58759

Based on your local frost dates - last spring frost around May 10, first fall frost around Sep 28 - here is when to plant 79 common crops near ZIP 58759.

Last spring frost
May 10
First fall frost
Sep 28
Hardiness zone
4a

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Mar 29 May 17 (Transplant out) -
Peppers Mar 15 May 24 (Transplant out) -
Cucumbers Apr 19 May 17 (Transplant out) Jul 21
Zucchini Apr 19 May 17 (Transplant out) Jul 26
Summer Squash Apr 19 May 17 (Transplant out) Jul 24
Winter Squash Apr 19 May 17 (Transplant out) -
Pumpkins Apr 19 May 17 (Transplant out) -
Green Beans - May 10 (Direct sow) Jul 21
Sweet Corn - May 17 (Direct sow) -
Melons Apr 19 May 24 (Transplant out) -
Watermelon Apr 19 May 24 (Transplant out) -
Okra - May 24 (Direct sow) -
Eggplant Mar 15 May 24 (Transplant out) -
Lettuce Apr 12 Apr 12 (Transplant out) Jul 26
Spinach - Mar 29 (Direct sow) Jul 31
Kale Mar 29 Apr 19 (Transplant out) Jul 21
Peas - Mar 29 (Direct sow) Jul 16
Carrots - Apr 19 (Direct sow) Jul 6
Beets - Apr 12 (Direct sow) Jul 21
Radishes - Apr 12 (Direct sow) Aug 17
Broccoli Mar 29 Apr 26 (Transplant out) Jul 11
Cauliflower Mar 29 Apr 26 (Transplant out) Jul 6
Cabbage Mar 29 Apr 19 (Transplant out) Jul 6
Onions Mar 1 Apr 12 (Transplant out) -
Potatoes - Apr 26 (Direct sow) -
Swiss Chard Apr 12 Apr 26 (Transplant out) Jul 21
Sweet Potatoes - May 31 (Direct sow) -
Brussels Sprouts Mar 29 Apr 26 (Transplant out) Jun 6
Celery Mar 1 May 17 (Transplant out) -
Leeks Mar 1 Apr 26 (Transplant out) May 17
Turnips - Apr 26 (Direct sow) Jul 26
Rutabaga - May 10 (Direct sow) Jun 11
Parsnips - Apr 26 (Direct sow) May 17
Kohlrabi Apr 12 Apr 26 (Transplant out) Jul 21
Collard Greens Mar 29 Apr 26 (Transplant out) Jul 11
Mustard Greens - Apr 26 (Direct sow) Jul 31
Arugula - Apr 26 (Direct sow) Aug 5
Bok Choy Apr 12 Apr 26 (Transplant out) Jul 26
Green Onions - Apr 26 (Direct sow) Jul 16
Tomatillos Mar 29 May 17 (Transplant out) -
Fennel Apr 12 Apr 26 (Transplant out) Jun 26
Popcorn May 10 May 24 (Transplant out) -
Black-Eyed Peas May 10 May 24 (Transplant out) Jun 26
Lima Beans May 10 May 24 (Transplant out) -
Edamame May 10 May 24 (Transplant out) -
Peanuts May 10 May 24 (Transplant out) -
Globe Artichoke Mar 15 Apr 26 (Transplant out) Jun 16
Horseradish May 10 Apr 26 (Transplant out) -
Ground Cherries Mar 29 May 24 (Transplant out) -
Radicchio Apr 5 Apr 26 (Transplant out) Jul 6
Endive Apr 5 Apr 26 (Transplant out) Jun 16
Watercress Apr 19 Apr 26 (Transplant out) Jul 16
Sorrel Mar 29 Apr 19 (Transplant out) Jul 16
Sunchokes May 10 Apr 26 (Transplant out) -
Malabar Spinach Mar 29 May 24 (Transplant out) -
Amaranth Greens Apr 19 May 24 (Transplant out) Jul 31
Luffa Gourd Mar 29 May 24 (Transplant out) -
New Zealand Spinach Apr 12 May 24 (Transplant out) -
Fava Beans May 10 Apr 12 (Transplant out) Jun 21
Chayote Apr 12 May 24 (Transplant out) -
Corn Salad May 10 Apr 12 (Transplant out) Jul 16
Bitter Melon Apr 12 May 24 (Transplant out) -
Cardoon Mar 29 May 10 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Mar 29 May 17 (Transplant out) -
Cilantro - Apr 26 (Direct sow) Jul 26
Parsley Mar 15 May 24 (Transplant out) Jul 1
Dill - May 17 (Direct sow) Jul 16
Lemon Balm Mar 29 May 10 (Transplant out) -
Borage May 10 May 10 (Transplant out) Jul 21
Chervil May 10 Apr 19 (Transplant out) Jul 21
Lemongrass Mar 15 May 24 (Transplant out) -
Summer Savory Mar 29 May 10 (Transplant out) -
Marjoram Mar 29 May 17 (Transplant out) -
Lovage Mar 29 May 10 (Transplant out) Jun 16
Anise Hyssop Mar 15 May 10 (Transplant out) -
Shiso Mar 29 May 17 (Transplant out) -
Stevia Mar 15 May 24 (Transplant out) -
Chamomile Mar 29 Apr 26 (Transplant out) Jul 11
Tarragon May 10 May 10 (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 Max, Nd, 2.5 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

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