Harman US

Planting Calendar for ZIP 69166

Based on your local frost dates - last spring frost around May 9, first fall frost around Oct 2 - here is when to plant 79 common crops near ZIP 69166.

Last spring frost
May 9
First fall frost
Oct 2
Hardiness zone
5b

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Mar 28 May 16 (Transplant out) -
Peppers Mar 14 May 23 (Transplant out) -
Cucumbers Apr 18 May 16 (Transplant out) Jul 25
Zucchini Apr 18 May 16 (Transplant out) Jul 30
Summer Squash Apr 18 May 16 (Transplant out) Jul 28
Winter Squash Apr 18 May 16 (Transplant out) -
Pumpkins Apr 18 May 16 (Transplant out) -
Green Beans - May 9 (Direct sow) Jul 25
Sweet Corn - May 16 (Direct sow) -
Melons Apr 18 May 23 (Transplant out) -
Watermelon Apr 18 May 23 (Transplant out) -
Okra - May 23 (Direct sow) -
Eggplant Mar 14 May 23 (Transplant out) -
Lettuce Apr 11 Apr 11 (Transplant out) Jul 30
Spinach - Mar 28 (Direct sow) Aug 4
Kale Mar 28 Apr 18 (Transplant out) Jul 25
Peas - Mar 28 (Direct sow) Jul 20
Carrots - Apr 18 (Direct sow) Jul 10
Beets - Apr 11 (Direct sow) Jul 25
Radishes - Apr 11 (Direct sow) Aug 21
Broccoli Mar 28 Apr 25 (Transplant out) Jul 15
Cauliflower Mar 28 Apr 25 (Transplant out) Jul 10
Cabbage Mar 28 Apr 18 (Transplant out) Jul 10
Onions Feb 28 Apr 11 (Transplant out) -
Potatoes - Apr 25 (Direct sow) -
Swiss Chard Apr 11 Apr 25 (Transplant out) Jul 25
Sweet Potatoes - May 30 (Direct sow) -
Brussels Sprouts Mar 28 Apr 25 (Transplant out) Jun 10
Celery Feb 28 May 16 (Transplant out) -
Leeks Feb 28 Apr 25 (Transplant out) May 21
Turnips - Apr 25 (Direct sow) Jul 30
Rutabaga - May 9 (Direct sow) Jun 15
Parsnips - Apr 25 (Direct sow) May 21
Kohlrabi Apr 11 Apr 25 (Transplant out) Jul 25
Collard Greens Mar 28 Apr 25 (Transplant out) Jul 15
Mustard Greens - Apr 25 (Direct sow) Aug 4
Arugula - Apr 25 (Direct sow) Aug 9
Bok Choy Apr 11 Apr 25 (Transplant out) Jul 30
Green Onions - Apr 25 (Direct sow) Jul 20
Tomatillos Mar 28 May 16 (Transplant out) -
Fennel Apr 11 Apr 25 (Transplant out) Jun 30
Popcorn May 9 May 23 (Transplant out) -
Black-Eyed Peas May 9 May 23 (Transplant out) Jun 30
Lima Beans May 9 May 23 (Transplant out) -
Edamame May 9 May 23 (Transplant out) -
Peanuts May 9 May 23 (Transplant out) -
Globe Artichoke Mar 14 Apr 25 (Transplant out) Jun 20
Horseradish May 9 Apr 25 (Transplant out) -
Ground Cherries Mar 28 May 23 (Transplant out) -
Radicchio Apr 4 Apr 25 (Transplant out) Jul 10
Endive Apr 4 Apr 25 (Transplant out) Jun 20
Watercress Apr 18 Apr 25 (Transplant out) Jul 20
Sorrel Mar 28 Apr 18 (Transplant out) Jul 20
Sunchokes May 9 Apr 25 (Transplant out) -
Malabar Spinach Mar 28 May 23 (Transplant out) -
Amaranth Greens Apr 18 May 23 (Transplant out) Aug 4
Luffa Gourd Mar 28 May 23 (Transplant out) -
New Zealand Spinach Apr 11 May 23 (Transplant out) -
Fava Beans May 9 Apr 11 (Transplant out) Jun 25
Chayote Apr 11 May 23 (Transplant out) -
Corn Salad May 9 Apr 11 (Transplant out) Jul 20
Bitter Melon Apr 11 May 23 (Transplant out) -
Cardoon Mar 28 May 9 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Mar 28 May 16 (Transplant out) -
Cilantro - Apr 25 (Direct sow) Jul 30
Parsley Mar 14 May 23 (Transplant out) Jul 5
Dill - May 16 (Direct sow) Jul 20
Lemon Balm Mar 28 May 9 (Transplant out) -
Borage May 9 May 9 (Transplant out) Jul 25
Chervil May 9 Apr 18 (Transplant out) Jul 25
Lemongrass Mar 14 May 23 (Transplant out) -
Summer Savory Mar 28 May 9 (Transplant out) -
Marjoram Mar 28 May 16 (Transplant out) -
Lovage Mar 28 May 9 (Transplant out) Jun 20
Anise Hyssop Mar 14 May 9 (Transplant out) -
Shiso Mar 28 May 16 (Transplant out) -
Stevia Mar 14 May 23 (Transplant out) -
Chamomile Mar 28 Apr 25 (Transplant out) Jul 15
Tarragon May 9 May 9 (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 Purdum, Ne, 19.2 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

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