Harman US

Planting Calendar for ZIP 54978

Based on your local frost dates - last spring frost around May 13, first fall frost around Sep 30 - here is when to plant 79 common crops near ZIP 54978.

Last spring frost
May 13
First fall frost
Sep 30
Hardiness zone
5a

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Apr 1 May 20 (Transplant out) -
Peppers Mar 18 May 27 (Transplant out) -
Cucumbers Apr 22 May 20 (Transplant out) Jul 23
Zucchini Apr 22 May 20 (Transplant out) Jul 28
Summer Squash Apr 22 May 20 (Transplant out) Jul 26
Winter Squash Apr 22 May 20 (Transplant out) -
Pumpkins Apr 22 May 20 (Transplant out) -
Green Beans - May 13 (Direct sow) Jul 23
Sweet Corn - May 20 (Direct sow) -
Melons Apr 22 May 27 (Transplant out) -
Watermelon Apr 22 May 27 (Transplant out) -
Okra - May 27 (Direct sow) -
Eggplant Mar 18 May 27 (Transplant out) -
Lettuce Apr 15 Apr 15 (Transplant out) Jul 28
Spinach - Apr 1 (Direct sow) Aug 2
Kale Apr 1 Apr 22 (Transplant out) Jul 23
Peas - Apr 1 (Direct sow) Jul 18
Carrots - Apr 22 (Direct sow) Jul 8
Beets - Apr 15 (Direct sow) Jul 23
Radishes - Apr 15 (Direct sow) Aug 19
Broccoli Apr 1 Apr 29 (Transplant out) Jul 13
Cauliflower Apr 1 Apr 29 (Transplant out) Jul 8
Cabbage Apr 1 Apr 22 (Transplant out) Jul 8
Onions Mar 4 Apr 15 (Transplant out) -
Potatoes - Apr 29 (Direct sow) -
Swiss Chard Apr 15 Apr 29 (Transplant out) Jul 23
Sweet Potatoes - Jun 3 (Direct sow) -
Brussels Sprouts Apr 1 Apr 29 (Transplant out) Jun 8
Celery Mar 4 May 20 (Transplant out) -
Leeks Mar 4 Apr 29 (Transplant out) May 19
Turnips - Apr 29 (Direct sow) Jul 28
Rutabaga - May 13 (Direct sow) Jun 13
Parsnips - Apr 29 (Direct sow) May 19
Kohlrabi Apr 15 Apr 29 (Transplant out) Jul 23
Collard Greens Apr 1 Apr 29 (Transplant out) Jul 13
Mustard Greens - Apr 29 (Direct sow) Aug 2
Arugula - Apr 29 (Direct sow) Aug 7
Bok Choy Apr 15 Apr 29 (Transplant out) Jul 28
Green Onions - Apr 29 (Direct sow) Jul 18
Tomatillos Apr 1 May 20 (Transplant out) -
Fennel Apr 15 Apr 29 (Transplant out) Jun 28
Popcorn May 13 May 27 (Transplant out) -
Black-Eyed Peas May 13 May 27 (Transplant out) Jun 28
Lima Beans May 13 May 27 (Transplant out) -
Edamame May 13 May 27 (Transplant out) -
Peanuts May 13 May 27 (Transplant out) -
Globe Artichoke Mar 18 Apr 29 (Transplant out) Jun 18
Horseradish May 13 Apr 29 (Transplant out) -
Ground Cherries Apr 1 May 27 (Transplant out) -
Radicchio Apr 8 Apr 29 (Transplant out) Jul 8
Endive Apr 8 Apr 29 (Transplant out) Jun 18
Watercress Apr 22 Apr 29 (Transplant out) Jul 18
Sorrel Apr 1 Apr 22 (Transplant out) Jul 18
Sunchokes May 13 Apr 29 (Transplant out) -
Malabar Spinach Apr 1 May 27 (Transplant out) -
Amaranth Greens Apr 22 May 27 (Transplant out) Aug 2
Luffa Gourd Apr 1 May 27 (Transplant out) -
New Zealand Spinach Apr 15 May 27 (Transplant out) -
Fava Beans May 13 Apr 15 (Transplant out) Jun 23
Chayote Apr 15 May 27 (Transplant out) -
Corn Salad May 13 Apr 15 (Transplant out) Jul 18
Bitter Melon Apr 15 May 27 (Transplant out) -
Cardoon Apr 1 May 13 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Apr 1 May 20 (Transplant out) -
Cilantro - Apr 29 (Direct sow) Jul 28
Parsley Mar 18 May 27 (Transplant out) Jul 3
Dill - May 20 (Direct sow) Jul 18
Lemon Balm Apr 1 May 13 (Transplant out) -
Borage May 13 May 13 (Transplant out) Jul 23
Chervil May 13 Apr 22 (Transplant out) Jul 23
Lemongrass Mar 18 May 27 (Transplant out) -
Summer Savory Apr 1 May 13 (Transplant out) -
Marjoram Apr 1 May 20 (Transplant out) -
Lovage Apr 1 May 13 (Transplant out) Jun 18
Anise Hyssop Mar 18 May 13 (Transplant out) -
Shiso Apr 1 May 20 (Transplant out) -
Stevia Mar 18 May 27 (Transplant out) -
Chamomile Apr 1 Apr 29 (Transplant out) Jul 13
Tarragon May 13 May 13 (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 Stockbridge-Munsee Rsvn, Wi, 5.3 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

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