Harman US

Planting Calendar for ZIP 54880

Based on your local frost dates - last spring frost around May 18, first fall frost around Oct 3 - here is when to plant 79 common crops near ZIP 54880.

Last spring frost
May 18
First fall frost
Oct 3
Hardiness zone
4b

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Apr 6 May 25 (Transplant out) -
Peppers Mar 23 Jun 1 (Transplant out) -
Cucumbers Apr 27 May 25 (Transplant out) Jul 26
Zucchini Apr 27 May 25 (Transplant out) Jul 31
Summer Squash Apr 27 May 25 (Transplant out) Jul 29
Winter Squash Apr 27 May 25 (Transplant out) -
Pumpkins Apr 27 May 25 (Transplant out) -
Green Beans - May 18 (Direct sow) Jul 26
Sweet Corn - May 25 (Direct sow) -
Melons Apr 27 Jun 1 (Transplant out) -
Watermelon Apr 27 Jun 1 (Transplant out) -
Okra - Jun 1 (Direct sow) -
Eggplant Mar 23 Jun 1 (Transplant out) -
Lettuce Apr 20 Apr 20 (Transplant out) Jul 31
Spinach - Apr 6 (Direct sow) Aug 5
Kale Apr 6 Apr 27 (Transplant out) Jul 26
Peas - Apr 6 (Direct sow) Jul 21
Carrots - Apr 27 (Direct sow) Jul 11
Beets - Apr 20 (Direct sow) Jul 26
Radishes - Apr 20 (Direct sow) Aug 22
Broccoli Apr 6 May 4 (Transplant out) Jul 16
Cauliflower Apr 6 May 4 (Transplant out) Jul 11
Cabbage Apr 6 Apr 27 (Transplant out) Jul 11
Onions Mar 9 Apr 20 (Transplant out) -
Potatoes - May 4 (Direct sow) -
Swiss Chard Apr 20 May 4 (Transplant out) Jul 26
Sweet Potatoes - Jun 8 (Direct sow) -
Brussels Sprouts Apr 6 May 4 (Transplant out) Jun 11
Celery Mar 9 May 25 (Transplant out) -
Leeks Mar 9 May 4 (Transplant out) May 22
Turnips - May 4 (Direct sow) Jul 31
Rutabaga - May 18 (Direct sow) Jun 16
Parsnips - May 4 (Direct sow) May 22
Kohlrabi Apr 20 May 4 (Transplant out) Jul 26
Collard Greens Apr 6 May 4 (Transplant out) Jul 16
Mustard Greens - May 4 (Direct sow) Aug 5
Arugula - May 4 (Direct sow) Aug 10
Bok Choy Apr 20 May 4 (Transplant out) Jul 31
Green Onions - May 4 (Direct sow) Jul 21
Tomatillos Apr 6 May 25 (Transplant out) -
Fennel Apr 20 May 4 (Transplant out) Jul 1
Popcorn May 18 Jun 1 (Transplant out) -
Black-Eyed Peas May 18 Jun 1 (Transplant out) Jul 1
Lima Beans May 18 Jun 1 (Transplant out) -
Edamame May 18 Jun 1 (Transplant out) -
Peanuts May 18 Jun 1 (Transplant out) -
Globe Artichoke Mar 23 May 4 (Transplant out) Jun 21
Horseradish May 18 May 4 (Transplant out) -
Ground Cherries Apr 6 Jun 1 (Transplant out) -
Radicchio Apr 13 May 4 (Transplant out) Jul 11
Endive Apr 13 May 4 (Transplant out) Jun 21
Watercress Apr 27 May 4 (Transplant out) Jul 21
Sorrel Apr 6 Apr 27 (Transplant out) Jul 21
Sunchokes May 18 May 4 (Transplant out) -
Malabar Spinach Apr 6 Jun 1 (Transplant out) -
Amaranth Greens Apr 27 Jun 1 (Transplant out) Aug 5
Luffa Gourd Apr 6 Jun 1 (Transplant out) -
New Zealand Spinach Apr 20 Jun 1 (Transplant out) -
Fava Beans May 18 Apr 20 (Transplant out) Jun 26
Chayote Apr 20 Jun 1 (Transplant out) -
Corn Salad May 18 Apr 20 (Transplant out) Jul 21
Bitter Melon Apr 20 Jun 1 (Transplant out) -
Cardoon Apr 6 May 18 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Apr 6 May 25 (Transplant out) -
Cilantro - May 4 (Direct sow) Jul 31
Parsley Mar 23 Jun 1 (Transplant out) Jul 6
Dill - May 25 (Direct sow) Jul 21
Lemon Balm Apr 6 May 18 (Transplant out) -
Borage May 18 May 18 (Transplant out) Jul 26
Chervil May 18 Apr 27 (Transplant out) Jul 26
Lemongrass Mar 23 Jun 1 (Transplant out) -
Summer Savory Apr 6 May 18 (Transplant out) -
Marjoram Apr 6 May 25 (Transplant out) -
Lovage Apr 6 May 18 (Transplant out) Jun 21
Anise Hyssop Mar 23 May 18 (Transplant out) -
Shiso Apr 6 May 25 (Transplant out) -
Stevia Mar 23 Jun 1 (Transplant out) -
Chamomile Apr 6 May 4 (Transplant out) Jul 16
Tarragon May 18 May 18 (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 Pattison Ranger Staion, Wi, 3.7 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 54880 Local weather →