Harman US

Planting Calendar for ZIP 55751

Based on your local frost dates - last spring frost around Jun 5, first fall frost around Sep 8 - here is when to plant 79 common crops near ZIP 55751.

Last spring frost
Jun 5
First fall frost
Sep 8
Hardiness zone
3b

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Apr 24 Jun 12 (Transplant out) -
Peppers Apr 10 Jun 19 (Transplant out) -
Cucumbers May 15 Jun 12 (Transplant out) Jul 1
Zucchini May 15 Jun 12 (Transplant out) Jul 6
Summer Squash May 15 Jun 12 (Transplant out) Jul 4
Winter Squash May 15 Jun 12 (Transplant out) -
Pumpkins May 15 Jun 12 (Transplant out) -
Green Beans - Jun 5 (Direct sow) Jul 1
Sweet Corn - Jun 12 (Direct sow) -
Melons May 15 Jun 19 (Transplant out) -
Watermelon May 15 Jun 19 (Transplant out) -
Okra - Jun 19 (Direct sow) -
Eggplant Apr 10 Jun 19 (Transplant out) -
Lettuce May 8 May 8 (Transplant out) Jul 6
Spinach - Apr 24 (Direct sow) Jul 11
Kale Apr 24 May 15 (Transplant out) Jul 1
Peas - Apr 24 (Direct sow) Jun 26
Carrots - May 15 (Direct sow) Jun 16
Beets - May 8 (Direct sow) Jul 1
Radishes - May 8 (Direct sow) Jul 28
Broccoli Apr 24 May 22 (Transplant out) Jun 21
Cauliflower Apr 24 May 22 (Transplant out) Jun 16
Cabbage Apr 24 May 15 (Transplant out) Jun 16
Onions Mar 27 May 8 (Transplant out) -
Potatoes - May 22 (Direct sow) -
Swiss Chard May 8 May 22 (Transplant out) Jul 1
Sweet Potatoes - Jun 26 (Direct sow) -
Brussels Sprouts Apr 24 May 22 (Transplant out) May 17
Celery Mar 27 Jun 12 (Transplant out) -
Leeks Mar 27 May 22 (Transplant out) Apr 27
Turnips - May 22 (Direct sow) Jul 6
Rutabaga - Jun 5 (Direct sow) May 22
Parsnips - May 22 (Direct sow) Apr 27
Kohlrabi May 8 May 22 (Transplant out) Jul 1
Collard Greens Apr 24 May 22 (Transplant out) Jun 21
Mustard Greens - May 22 (Direct sow) Jul 11
Arugula - May 22 (Direct sow) Jul 16
Bok Choy May 8 May 22 (Transplant out) Jul 6
Green Onions - May 22 (Direct sow) Jun 26
Tomatillos Apr 24 Jun 12 (Transplant out) -
Fennel May 8 May 22 (Transplant out) Jun 6
Popcorn Jun 5 Jun 19 (Transplant out) -
Black-Eyed Peas Jun 5 Jun 19 (Transplant out) Jun 6
Lima Beans Jun 5 Jun 19 (Transplant out) -
Edamame Jun 5 Jun 19 (Transplant out) -
Peanuts Jun 5 Jun 19 (Transplant out) -
Globe Artichoke Apr 10 May 22 (Transplant out) May 27
Horseradish Jun 5 May 22 (Transplant out) -
Ground Cherries Apr 24 Jun 19 (Transplant out) -
Radicchio May 1 May 22 (Transplant out) Jun 16
Endive May 1 May 22 (Transplant out) May 27
Watercress May 15 May 22 (Transplant out) Jun 26
Sorrel Apr 24 May 15 (Transplant out) Jun 26
Sunchokes Jun 5 May 22 (Transplant out) -
Malabar Spinach Apr 24 Jun 19 (Transplant out) -
Amaranth Greens May 15 Jun 19 (Transplant out) Jul 11
Luffa Gourd Apr 24 Jun 19 (Transplant out) -
New Zealand Spinach May 8 Jun 19 (Transplant out) -
Fava Beans Jun 5 May 8 (Transplant out) Jun 1
Chayote May 8 Jun 19 (Transplant out) -
Corn Salad Jun 5 May 8 (Transplant out) Jun 26
Bitter Melon May 8 Jun 19 (Transplant out) -
Cardoon Apr 24 Jun 5 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Apr 24 Jun 12 (Transplant out) -
Cilantro - May 22 (Direct sow) Jul 6
Parsley Apr 10 Jun 19 (Transplant out) Jun 11
Dill - Jun 12 (Direct sow) Jun 26
Lemon Balm Apr 24 Jun 5 (Transplant out) -
Borage Jun 5 Jun 5 (Transplant out) Jul 1
Chervil Jun 5 May 15 (Transplant out) Jul 1
Lemongrass Apr 10 Jun 19 (Transplant out) -
Summer Savory Apr 24 Jun 5 (Transplant out) -
Marjoram Apr 24 Jun 12 (Transplant out) -
Lovage Apr 24 Jun 5 (Transplant out) May 27
Anise Hyssop Apr 10 Jun 5 (Transplant out) -
Shiso Apr 24 Jun 12 (Transplant out) -
Stevia Apr 10 Jun 19 (Transplant out) -
Chamomile Apr 24 May 22 (Transplant out) Jun 21
Tarragon Jun 5 Jun 5 (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 Hibbing Chisholm Hibbing Ap, Mn, 7.8 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

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