Harman US

Planting Calendar for ZIP 99346

Based on your local frost dates - last spring frost around Mar 27, first fall frost around Nov 4 - here is when to plant 79 common crops near ZIP 99346.

Last spring frost
Mar 27
First fall frost
Nov 4
Hardiness zone
7b

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Feb 13 Apr 3 (Transplant out) -
Peppers Jan 30 Apr 10 (Transplant out) -
Cucumbers Mar 6 Apr 3 (Transplant out) Aug 27
Zucchini Mar 6 Apr 3 (Transplant out) Sep 1
Summer Squash Mar 6 Apr 3 (Transplant out) Aug 30
Winter Squash Mar 6 Apr 3 (Transplant out) -
Pumpkins Mar 6 Apr 3 (Transplant out) -
Green Beans - Mar 27 (Direct sow) Aug 27
Sweet Corn - Apr 3 (Direct sow) -
Melons Mar 6 Apr 10 (Transplant out) -
Watermelon Mar 6 Apr 10 (Transplant out) -
Okra - Apr 10 (Direct sow) -
Eggplant Jan 30 Apr 10 (Transplant out) -
Lettuce Feb 27 Feb 27 (Transplant out) Sep 1
Spinach - Feb 13 (Direct sow) Sep 6
Kale Feb 13 Mar 6 (Transplant out) Aug 27
Peas - Feb 13 (Direct sow) Aug 22
Carrots - Mar 6 (Direct sow) Aug 12
Beets - Feb 27 (Direct sow) Aug 27
Radishes - Feb 27 (Direct sow) Sep 23
Broccoli Feb 13 Mar 13 (Transplant out) Aug 17
Cauliflower Feb 13 Mar 13 (Transplant out) Aug 12
Cabbage Feb 13 Mar 6 (Transplant out) Aug 12
Onions Jan 16 Feb 27 (Transplant out) -
Potatoes - Mar 13 (Direct sow) -
Swiss Chard Feb 27 Mar 13 (Transplant out) Aug 27
Sweet Potatoes - Apr 17 (Direct sow) -
Brussels Sprouts Feb 13 Mar 13 (Transplant out) Jul 13
Celery Jan 16 Apr 3 (Transplant out) -
Leeks Jan 16 Mar 13 (Transplant out) Jun 23
Turnips - Mar 13 (Direct sow) Sep 1
Rutabaga - Mar 27 (Direct sow) Jul 18
Parsnips - Mar 13 (Direct sow) Jun 23
Kohlrabi Feb 27 Mar 13 (Transplant out) Aug 27
Collard Greens Feb 13 Mar 13 (Transplant out) Aug 17
Mustard Greens - Mar 13 (Direct sow) Sep 6
Arugula - Mar 13 (Direct sow) Sep 11
Bok Choy Feb 27 Mar 13 (Transplant out) Sep 1
Green Onions - Mar 13 (Direct sow) Aug 22
Tomatillos Feb 13 Apr 3 (Transplant out) -
Fennel Feb 27 Mar 13 (Transplant out) Aug 2
Popcorn Mar 27 Apr 10 (Transplant out) -
Black-Eyed Peas Mar 27 Apr 10 (Transplant out) Aug 2
Lima Beans Mar 27 Apr 10 (Transplant out) -
Edamame Mar 27 Apr 10 (Transplant out) -
Peanuts Mar 27 Apr 10 (Transplant out) -
Globe Artichoke Jan 30 Mar 13 (Transplant out) Jul 23
Horseradish Mar 27 Mar 13 (Transplant out) -
Ground Cherries Feb 13 Apr 10 (Transplant out) -
Radicchio Feb 20 Mar 13 (Transplant out) Aug 12
Endive Feb 20 Mar 13 (Transplant out) Jul 23
Watercress Mar 6 Mar 13 (Transplant out) Aug 22
Sorrel Feb 13 Mar 6 (Transplant out) Aug 22
Sunchokes Mar 27 Mar 13 (Transplant out) -
Malabar Spinach Feb 13 Apr 10 (Transplant out) -
Amaranth Greens Mar 6 Apr 10 (Transplant out) Sep 6
Luffa Gourd Feb 13 Apr 10 (Transplant out) -
New Zealand Spinach Feb 27 Apr 10 (Transplant out) -
Fava Beans Mar 27 Feb 27 (Transplant out) Jul 28
Chayote Feb 27 Apr 10 (Transplant out) -
Corn Salad Mar 27 Feb 27 (Transplant out) Aug 22
Bitter Melon Feb 27 Apr 10 (Transplant out) -
Cardoon Feb 13 Mar 27 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Feb 13 Apr 3 (Transplant out) -
Cilantro - Mar 13 (Direct sow) Sep 1
Parsley Jan 30 Apr 10 (Transplant out) Aug 7
Dill - Apr 3 (Direct sow) Aug 22
Lemon Balm Feb 13 Mar 27 (Transplant out) -
Borage Mar 27 Mar 27 (Transplant out) Aug 27
Chervil Mar 27 Mar 6 (Transplant out) Aug 27
Lemongrass Jan 30 Apr 10 (Transplant out) -
Summer Savory Feb 13 Mar 27 (Transplant out) -
Marjoram Feb 13 Apr 3 (Transplant out) -
Lovage Feb 13 Mar 27 (Transplant out) Jul 23
Anise Hyssop Jan 30 Mar 27 (Transplant out) -
Shiso Feb 13 Apr 3 (Transplant out) -
Stevia Jan 30 Apr 10 (Transplant out) -
Chamomile Feb 13 Mar 13 (Transplant out) Aug 17
Tarragon Mar 27 Mar 27 (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 Mcnary Dam, Wa, 6.2 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 99346 Local weather →