Harman US

Planting Calendar for ZIP 83463

Based on your local frost dates - last spring frost around Jun 1, first fall frost around Sep 17 - here is when to plant 79 common crops near ZIP 83463.

Last spring frost
Jun 1
First fall frost
Sep 17
Hardiness zone
5b

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Apr 20 Jun 8 (Transplant out) -
Peppers Apr 6 Jun 15 (Transplant out) -
Cucumbers May 11 Jun 8 (Transplant out) Jul 10
Zucchini May 11 Jun 8 (Transplant out) Jul 15
Summer Squash May 11 Jun 8 (Transplant out) Jul 13
Winter Squash May 11 Jun 8 (Transplant out) -
Pumpkins May 11 Jun 8 (Transplant out) -
Green Beans - Jun 1 (Direct sow) Jul 10
Sweet Corn - Jun 8 (Direct sow) -
Melons May 11 Jun 15 (Transplant out) -
Watermelon May 11 Jun 15 (Transplant out) -
Okra - Jun 15 (Direct sow) -
Eggplant Apr 6 Jun 15 (Transplant out) -
Lettuce May 4 May 4 (Transplant out) Jul 15
Spinach - Apr 20 (Direct sow) Jul 20
Kale Apr 20 May 11 (Transplant out) Jul 10
Peas - Apr 20 (Direct sow) Jul 5
Carrots - May 11 (Direct sow) Jun 25
Beets - May 4 (Direct sow) Jul 10
Radishes - May 4 (Direct sow) Aug 6
Broccoli Apr 20 May 18 (Transplant out) Jun 30
Cauliflower Apr 20 May 18 (Transplant out) Jun 25
Cabbage Apr 20 May 11 (Transplant out) Jun 25
Onions Mar 23 May 4 (Transplant out) -
Potatoes - May 18 (Direct sow) -
Swiss Chard May 4 May 18 (Transplant out) Jul 10
Sweet Potatoes - Jun 22 (Direct sow) -
Brussels Sprouts Apr 20 May 18 (Transplant out) May 26
Celery Mar 23 Jun 8 (Transplant out) -
Leeks Mar 23 May 18 (Transplant out) May 6
Turnips - May 18 (Direct sow) Jul 15
Rutabaga - Jun 1 (Direct sow) May 31
Parsnips - May 18 (Direct sow) May 6
Kohlrabi May 4 May 18 (Transplant out) Jul 10
Collard Greens Apr 20 May 18 (Transplant out) Jun 30
Mustard Greens - May 18 (Direct sow) Jul 20
Arugula - May 18 (Direct sow) Jul 25
Bok Choy May 4 May 18 (Transplant out) Jul 15
Green Onions - May 18 (Direct sow) Jul 5
Tomatillos Apr 20 Jun 8 (Transplant out) -
Fennel May 4 May 18 (Transplant out) Jun 15
Popcorn Jun 1 Jun 15 (Transplant out) -
Black-Eyed Peas Jun 1 Jun 15 (Transplant out) Jun 15
Lima Beans Jun 1 Jun 15 (Transplant out) -
Edamame Jun 1 Jun 15 (Transplant out) -
Peanuts Jun 1 Jun 15 (Transplant out) -
Globe Artichoke Apr 6 May 18 (Transplant out) Jun 5
Horseradish Jun 1 May 18 (Transplant out) -
Ground Cherries Apr 20 Jun 15 (Transplant out) -
Radicchio Apr 27 May 18 (Transplant out) Jun 25
Endive Apr 27 May 18 (Transplant out) Jun 5
Watercress May 11 May 18 (Transplant out) Jul 5
Sorrel Apr 20 May 11 (Transplant out) Jul 5
Sunchokes Jun 1 May 18 (Transplant out) -
Malabar Spinach Apr 20 Jun 15 (Transplant out) -
Amaranth Greens May 11 Jun 15 (Transplant out) Jul 20
Luffa Gourd Apr 20 Jun 15 (Transplant out) -
New Zealand Spinach May 4 Jun 15 (Transplant out) -
Fava Beans Jun 1 May 4 (Transplant out) Jun 10
Chayote May 4 Jun 15 (Transplant out) -
Corn Salad Jun 1 May 4 (Transplant out) Jul 5
Bitter Melon May 4 Jun 15 (Transplant out) -
Cardoon Apr 20 Jun 1 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Apr 20 Jun 8 (Transplant out) -
Cilantro - May 18 (Direct sow) Jul 15
Parsley Apr 6 Jun 15 (Transplant out) Jun 20
Dill - Jun 8 (Direct sow) Jul 5
Lemon Balm Apr 20 Jun 1 (Transplant out) -
Borage Jun 1 Jun 1 (Transplant out) Jul 10
Chervil Jun 1 May 11 (Transplant out) Jul 10
Lemongrass Apr 6 Jun 15 (Transplant out) -
Summer Savory Apr 20 Jun 1 (Transplant out) -
Marjoram Apr 20 Jun 8 (Transplant out) -
Lovage Apr 20 Jun 1 (Transplant out) Jun 5
Anise Hyssop Apr 6 Jun 1 (Transplant out) -
Shiso Apr 20 Jun 8 (Transplant out) -
Stevia Apr 6 Jun 15 (Transplant out) -
Chamomile Apr 20 May 18 (Transplant out) Jun 30
Tarragon Jun 1 Jun 1 (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 Gibbonsville #2, Id, 2.9 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 83463 Local weather →