Harman US

Planting Calendar for ZIP 99588

Based on your local frost dates - last spring frost around May 30, first fall frost around Sep 4 - here is when to plant 79 common crops near ZIP 99588.

Last spring frost
May 30
First fall frost
Sep 4

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Apr 18 Jun 6 (Transplant out) -
Peppers Apr 4 Jun 13 (Transplant out) -
Cucumbers May 9 Jun 6 (Transplant out) Jun 27
Zucchini May 9 Jun 6 (Transplant out) Jul 2
Summer Squash May 9 Jun 6 (Transplant out) Jun 30
Winter Squash May 9 Jun 6 (Transplant out) -
Pumpkins May 9 Jun 6 (Transplant out) -
Green Beans - May 30 (Direct sow) Jun 27
Sweet Corn - Jun 6 (Direct sow) -
Melons May 9 Jun 13 (Transplant out) -
Watermelon May 9 Jun 13 (Transplant out) -
Okra - Jun 13 (Direct sow) -
Eggplant Apr 4 Jun 13 (Transplant out) -
Lettuce May 2 May 2 (Transplant out) Jul 2
Spinach - Apr 18 (Direct sow) Jul 7
Kale Apr 18 May 9 (Transplant out) Jun 27
Peas - Apr 18 (Direct sow) Jun 22
Carrots - May 9 (Direct sow) Jun 12
Beets - May 2 (Direct sow) Jun 27
Radishes - May 2 (Direct sow) Jul 24
Broccoli Apr 18 May 16 (Transplant out) Jun 17
Cauliflower Apr 18 May 16 (Transplant out) Jun 12
Cabbage Apr 18 May 9 (Transplant out) Jun 12
Onions Mar 21 May 2 (Transplant out) -
Potatoes - May 16 (Direct sow) -
Swiss Chard May 2 May 16 (Transplant out) Jun 27
Sweet Potatoes - Jun 20 (Direct sow) -
Brussels Sprouts Apr 18 May 16 (Transplant out) May 13
Celery Mar 21 Jun 6 (Transplant out) -
Leeks Mar 21 May 16 (Transplant out) Apr 23
Turnips - May 16 (Direct sow) Jul 2
Rutabaga - May 30 (Direct sow) May 18
Parsnips - May 16 (Direct sow) Apr 23
Kohlrabi May 2 May 16 (Transplant out) Jun 27
Collard Greens Apr 18 May 16 (Transplant out) Jun 17
Mustard Greens - May 16 (Direct sow) Jul 7
Arugula - May 16 (Direct sow) Jul 12
Bok Choy May 2 May 16 (Transplant out) Jul 2
Green Onions - May 16 (Direct sow) Jun 22
Tomatillos Apr 18 Jun 6 (Transplant out) -
Fennel May 2 May 16 (Transplant out) Jun 2
Popcorn May 30 Jun 13 (Transplant out) -
Black-Eyed Peas May 30 Jun 13 (Transplant out) Jun 2
Lima Beans May 30 Jun 13 (Transplant out) -
Edamame May 30 Jun 13 (Transplant out) -
Peanuts May 30 Jun 13 (Transplant out) -
Globe Artichoke Apr 4 May 16 (Transplant out) May 23
Horseradish May 30 May 16 (Transplant out) -
Ground Cherries Apr 18 Jun 13 (Transplant out) -
Radicchio Apr 25 May 16 (Transplant out) Jun 12
Endive Apr 25 May 16 (Transplant out) May 23
Watercress May 9 May 16 (Transplant out) Jun 22
Sorrel Apr 18 May 9 (Transplant out) Jun 22
Sunchokes May 30 May 16 (Transplant out) -
Malabar Spinach Apr 18 Jun 13 (Transplant out) -
Amaranth Greens May 9 Jun 13 (Transplant out) Jul 7
Luffa Gourd Apr 18 Jun 13 (Transplant out) -
New Zealand Spinach May 2 Jun 13 (Transplant out) -
Fava Beans May 30 May 2 (Transplant out) May 28
Chayote May 2 Jun 13 (Transplant out) -
Corn Salad May 30 May 2 (Transplant out) Jun 22
Bitter Melon May 2 Jun 13 (Transplant out) -
Cardoon Apr 18 May 30 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Apr 18 Jun 6 (Transplant out) -
Cilantro - May 16 (Direct sow) Jul 2
Parsley Apr 4 Jun 13 (Transplant out) Jun 7
Dill - Jun 6 (Direct sow) Jun 22
Lemon Balm Apr 18 May 30 (Transplant out) -
Borage May 30 May 30 (Transplant out) Jun 27
Chervil May 30 May 9 (Transplant out) Jun 27
Lemongrass Apr 4 Jun 13 (Transplant out) -
Summer Savory Apr 18 May 30 (Transplant out) -
Marjoram Apr 18 Jun 6 (Transplant out) -
Lovage Apr 18 May 30 (Transplant out) May 23
Anise Hyssop Apr 4 May 30 (Transplant out) -
Shiso Apr 18 Jun 6 (Transplant out) -
Stevia Apr 4 Jun 13 (Transplant out) -
Chamomile Apr 18 May 16 (Transplant out) Jun 17
Tarragon May 30 May 30 (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 Lake Susitna, Ak, 17.7 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 99588 Local weather →