Harman US

Planting Calendar for ZIP 56629

Based on your local frost dates - last spring frost around May 23, first fall frost around Sep 21 - here is when to plant 79 common crops near ZIP 56629.

Last spring frost
May 23
First fall frost
Sep 21
Hardiness zone
3b

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Apr 11 May 30 (Transplant out) -
Peppers Mar 28 Jun 6 (Transplant out) -
Cucumbers May 2 May 30 (Transplant out) Jul 14
Zucchini May 2 May 30 (Transplant out) Jul 19
Summer Squash May 2 May 30 (Transplant out) Jul 17
Winter Squash May 2 May 30 (Transplant out) -
Pumpkins May 2 May 30 (Transplant out) -
Green Beans - May 23 (Direct sow) Jul 14
Sweet Corn - May 30 (Direct sow) -
Melons May 2 Jun 6 (Transplant out) -
Watermelon May 2 Jun 6 (Transplant out) -
Okra - Jun 6 (Direct sow) -
Eggplant Mar 28 Jun 6 (Transplant out) -
Lettuce Apr 25 Apr 25 (Transplant out) Jul 19
Spinach - Apr 11 (Direct sow) Jul 24
Kale Apr 11 May 2 (Transplant out) Jul 14
Peas - Apr 11 (Direct sow) Jul 9
Carrots - May 2 (Direct sow) Jun 29
Beets - Apr 25 (Direct sow) Jul 14
Radishes - Apr 25 (Direct sow) Aug 10
Broccoli Apr 11 May 9 (Transplant out) Jul 4
Cauliflower Apr 11 May 9 (Transplant out) Jun 29
Cabbage Apr 11 May 2 (Transplant out) Jun 29
Onions Mar 14 Apr 25 (Transplant out) -
Potatoes - May 9 (Direct sow) -
Swiss Chard Apr 25 May 9 (Transplant out) Jul 14
Sweet Potatoes - Jun 13 (Direct sow) -
Brussels Sprouts Apr 11 May 9 (Transplant out) May 30
Celery Mar 14 May 30 (Transplant out) -
Leeks Mar 14 May 9 (Transplant out) May 10
Turnips - May 9 (Direct sow) Jul 19
Rutabaga - May 23 (Direct sow) Jun 4
Parsnips - May 9 (Direct sow) May 10
Kohlrabi Apr 25 May 9 (Transplant out) Jul 14
Collard Greens Apr 11 May 9 (Transplant out) Jul 4
Mustard Greens - May 9 (Direct sow) Jul 24
Arugula - May 9 (Direct sow) Jul 29
Bok Choy Apr 25 May 9 (Transplant out) Jul 19
Green Onions - May 9 (Direct sow) Jul 9
Tomatillos Apr 11 May 30 (Transplant out) -
Fennel Apr 25 May 9 (Transplant out) Jun 19
Popcorn May 23 Jun 6 (Transplant out) -
Black-Eyed Peas May 23 Jun 6 (Transplant out) Jun 19
Lima Beans May 23 Jun 6 (Transplant out) -
Edamame May 23 Jun 6 (Transplant out) -
Peanuts May 23 Jun 6 (Transplant out) -
Globe Artichoke Mar 28 May 9 (Transplant out) Jun 9
Horseradish May 23 May 9 (Transplant out) -
Ground Cherries Apr 11 Jun 6 (Transplant out) -
Radicchio Apr 18 May 9 (Transplant out) Jun 29
Endive Apr 18 May 9 (Transplant out) Jun 9
Watercress May 2 May 9 (Transplant out) Jul 9
Sorrel Apr 11 May 2 (Transplant out) Jul 9
Sunchokes May 23 May 9 (Transplant out) -
Malabar Spinach Apr 11 Jun 6 (Transplant out) -
Amaranth Greens May 2 Jun 6 (Transplant out) Jul 24
Luffa Gourd Apr 11 Jun 6 (Transplant out) -
New Zealand Spinach Apr 25 Jun 6 (Transplant out) -
Fava Beans May 23 Apr 25 (Transplant out) Jun 14
Chayote Apr 25 Jun 6 (Transplant out) -
Corn Salad May 23 Apr 25 (Transplant out) Jul 9
Bitter Melon Apr 25 Jun 6 (Transplant out) -
Cardoon Apr 11 May 23 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Apr 11 May 30 (Transplant out) -
Cilantro - May 9 (Direct sow) Jul 19
Parsley Mar 28 Jun 6 (Transplant out) Jun 24
Dill - May 30 (Direct sow) Jul 9
Lemon Balm Apr 11 May 23 (Transplant out) -
Borage May 23 May 23 (Transplant out) Jul 14
Chervil May 23 May 2 (Transplant out) Jul 14
Lemongrass Mar 28 Jun 6 (Transplant out) -
Summer Savory Apr 11 May 23 (Transplant out) -
Marjoram Apr 11 May 30 (Transplant out) -
Lovage Apr 11 May 23 (Transplant out) Jun 9
Anise Hyssop Mar 28 May 23 (Transplant out) -
Shiso Apr 11 May 30 (Transplant out) -
Stevia Mar 28 Jun 6 (Transplant out) -
Chamomile Apr 11 May 9 (Transplant out) Jul 4
Tarragon May 23 May 23 (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 Littlefork 10 Sw, Mn, 22.7 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 56629 Local weather →