Harman US

Planting Calendar for ZIP 55706

Based on your local frost dates - last spring frost around May 28, first fall frost around Sep 14 - here is when to plant 79 common crops near ZIP 55706.

Last spring frost
May 28
First fall frost
Sep 14
Hardiness zone
3b

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Apr 16 Jun 4 (Transplant out) -
Peppers Apr 2 Jun 11 (Transplant out) -
Cucumbers May 7 Jun 4 (Transplant out) Jul 7
Zucchini May 7 Jun 4 (Transplant out) Jul 12
Summer Squash May 7 Jun 4 (Transplant out) Jul 10
Winter Squash May 7 Jun 4 (Transplant out) -
Pumpkins May 7 Jun 4 (Transplant out) -
Green Beans - May 28 (Direct sow) Jul 7
Sweet Corn - Jun 4 (Direct sow) -
Melons May 7 Jun 11 (Transplant out) -
Watermelon May 7 Jun 11 (Transplant out) -
Okra - Jun 11 (Direct sow) -
Eggplant Apr 2 Jun 11 (Transplant out) -
Lettuce Apr 30 Apr 30 (Transplant out) Jul 12
Spinach - Apr 16 (Direct sow) Jul 17
Kale Apr 16 May 7 (Transplant out) Jul 7
Peas - Apr 16 (Direct sow) Jul 2
Carrots - May 7 (Direct sow) Jun 22
Beets - Apr 30 (Direct sow) Jul 7
Radishes - Apr 30 (Direct sow) Aug 3
Broccoli Apr 16 May 14 (Transplant out) Jun 27
Cauliflower Apr 16 May 14 (Transplant out) Jun 22
Cabbage Apr 16 May 7 (Transplant out) Jun 22
Onions Mar 19 Apr 30 (Transplant out) -
Potatoes - May 14 (Direct sow) -
Swiss Chard Apr 30 May 14 (Transplant out) Jul 7
Sweet Potatoes - Jun 18 (Direct sow) -
Brussels Sprouts Apr 16 May 14 (Transplant out) May 23
Celery Mar 19 Jun 4 (Transplant out) -
Leeks Mar 19 May 14 (Transplant out) May 3
Turnips - May 14 (Direct sow) Jul 12
Rutabaga - May 28 (Direct sow) May 28
Parsnips - May 14 (Direct sow) May 3
Kohlrabi Apr 30 May 14 (Transplant out) Jul 7
Collard Greens Apr 16 May 14 (Transplant out) Jun 27
Mustard Greens - May 14 (Direct sow) Jul 17
Arugula - May 14 (Direct sow) Jul 22
Bok Choy Apr 30 May 14 (Transplant out) Jul 12
Green Onions - May 14 (Direct sow) Jul 2
Tomatillos Apr 16 Jun 4 (Transplant out) -
Fennel Apr 30 May 14 (Transplant out) Jun 12
Popcorn May 28 Jun 11 (Transplant out) -
Black-Eyed Peas May 28 Jun 11 (Transplant out) Jun 12
Lima Beans May 28 Jun 11 (Transplant out) -
Edamame May 28 Jun 11 (Transplant out) -
Peanuts May 28 Jun 11 (Transplant out) -
Globe Artichoke Apr 2 May 14 (Transplant out) Jun 2
Horseradish May 28 May 14 (Transplant out) -
Ground Cherries Apr 16 Jun 11 (Transplant out) -
Radicchio Apr 23 May 14 (Transplant out) Jun 22
Endive Apr 23 May 14 (Transplant out) Jun 2
Watercress May 7 May 14 (Transplant out) Jul 2
Sorrel Apr 16 May 7 (Transplant out) Jul 2
Sunchokes May 28 May 14 (Transplant out) -
Malabar Spinach Apr 16 Jun 11 (Transplant out) -
Amaranth Greens May 7 Jun 11 (Transplant out) Jul 17
Luffa Gourd Apr 16 Jun 11 (Transplant out) -
New Zealand Spinach Apr 30 Jun 11 (Transplant out) -
Fava Beans May 28 Apr 30 (Transplant out) Jun 7
Chayote Apr 30 Jun 11 (Transplant out) -
Corn Salad May 28 Apr 30 (Transplant out) Jul 2
Bitter Melon Apr 30 Jun 11 (Transplant out) -
Cardoon Apr 16 May 28 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Apr 16 Jun 4 (Transplant out) -
Cilantro - May 14 (Direct sow) Jul 12
Parsley Apr 2 Jun 11 (Transplant out) Jun 17
Dill - Jun 4 (Direct sow) Jul 2
Lemon Balm Apr 16 May 28 (Transplant out) -
Borage May 28 May 28 (Transplant out) Jul 7
Chervil May 28 May 7 (Transplant out) Jul 7
Lemongrass Apr 2 Jun 11 (Transplant out) -
Summer Savory Apr 16 May 28 (Transplant out) -
Marjoram Apr 16 Jun 4 (Transplant out) -
Lovage Apr 16 May 28 (Transplant out) Jun 2
Anise Hyssop Apr 2 May 28 (Transplant out) -
Shiso Apr 16 Jun 4 (Transplant out) -
Stevia Apr 2 Jun 11 (Transplant out) -
Chamomile Apr 16 May 14 (Transplant out) Jun 27
Tarragon May 28 May 28 (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 Babbitt, Mn, 3.5 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

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