Harman US

Planting Calendar for ZIP 98607

Based on your local frost dates - last spring frost around Mar 26, first fall frost around Nov 17 - here is when to plant 79 common crops near ZIP 98607.

Last spring frost
Mar 26
First fall frost
Nov 17
Hardiness zone
8b

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Feb 12 Apr 2 (Transplant out) -
Peppers Jan 29 Apr 9 (Transplant out) -
Cucumbers Mar 5 Apr 2 (Transplant out) Sep 9
Zucchini Mar 5 Apr 2 (Transplant out) Sep 14
Summer Squash Mar 5 Apr 2 (Transplant out) Sep 12
Winter Squash Mar 5 Apr 2 (Transplant out) -
Pumpkins Mar 5 Apr 2 (Transplant out) -
Green Beans - Mar 26 (Direct sow) Sep 9
Sweet Corn - Apr 2 (Direct sow) -
Melons Mar 5 Apr 9 (Transplant out) -
Watermelon Mar 5 Apr 9 (Transplant out) -
Okra - Apr 9 (Direct sow) -
Eggplant Jan 29 Apr 9 (Transplant out) -
Lettuce Feb 26 Feb 26 (Transplant out) Sep 14
Spinach - Feb 12 (Direct sow) Sep 19
Kale Feb 12 Mar 5 (Transplant out) Sep 9
Peas - Feb 12 (Direct sow) Sep 4
Carrots - Mar 5 (Direct sow) Aug 25
Beets - Feb 26 (Direct sow) Sep 9
Radishes - Feb 26 (Direct sow) Oct 6
Broccoli Feb 12 Mar 12 (Transplant out) Aug 30
Cauliflower Feb 12 Mar 12 (Transplant out) Aug 25
Cabbage Feb 12 Mar 5 (Transplant out) Aug 25
Onions Jan 15 Feb 26 (Transplant out) -
Potatoes - Mar 12 (Direct sow) -
Swiss Chard Feb 26 Mar 12 (Transplant out) Sep 9
Sweet Potatoes - Apr 16 (Direct sow) -
Brussels Sprouts Feb 12 Mar 12 (Transplant out) Jul 26
Celery Jan 15 Apr 2 (Transplant out) -
Leeks Jan 15 Mar 12 (Transplant out) Jul 6
Turnips - Mar 12 (Direct sow) Sep 14
Rutabaga - Mar 26 (Direct sow) Jul 31
Parsnips - Mar 12 (Direct sow) Jul 6
Kohlrabi Feb 26 Mar 12 (Transplant out) Sep 9
Collard Greens Feb 12 Mar 12 (Transplant out) Aug 30
Mustard Greens - Mar 12 (Direct sow) Sep 19
Arugula - Mar 12 (Direct sow) Sep 24
Bok Choy Feb 26 Mar 12 (Transplant out) Sep 14
Green Onions - Mar 12 (Direct sow) Sep 4
Tomatillos Feb 12 Apr 2 (Transplant out) -
Fennel Feb 26 Mar 12 (Transplant out) Aug 15
Popcorn Mar 26 Apr 9 (Transplant out) -
Black-Eyed Peas Mar 26 Apr 9 (Transplant out) Aug 15
Lima Beans Mar 26 Apr 9 (Transplant out) -
Edamame Mar 26 Apr 9 (Transplant out) -
Peanuts Mar 26 Apr 9 (Transplant out) -
Globe Artichoke Jan 29 Mar 12 (Transplant out) Aug 5
Horseradish Mar 26 Mar 12 (Transplant out) -
Ground Cherries Feb 12 Apr 9 (Transplant out) -
Radicchio Feb 19 Mar 12 (Transplant out) Aug 25
Endive Feb 19 Mar 12 (Transplant out) Aug 5
Watercress Mar 5 Mar 12 (Transplant out) Sep 4
Sorrel Feb 12 Mar 5 (Transplant out) Sep 4
Sunchokes Mar 26 Mar 12 (Transplant out) -
Malabar Spinach Feb 12 Apr 9 (Transplant out) -
Amaranth Greens Mar 5 Apr 9 (Transplant out) Sep 19
Luffa Gourd Feb 12 Apr 9 (Transplant out) -
New Zealand Spinach Feb 26 Apr 9 (Transplant out) -
Fava Beans Mar 26 Feb 26 (Transplant out) Aug 10
Chayote Feb 26 Apr 9 (Transplant out) -
Corn Salad Mar 26 Feb 26 (Transplant out) Sep 4
Bitter Melon Feb 26 Apr 9 (Transplant out) -
Cardoon Feb 12 Mar 26 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Feb 12 Apr 2 (Transplant out) -
Cilantro - Mar 12 (Direct sow) Sep 14
Parsley Jan 29 Apr 9 (Transplant out) Aug 20
Dill - Apr 2 (Direct sow) Sep 4
Lemon Balm Feb 12 Mar 26 (Transplant out) -
Borage Mar 26 Mar 26 (Transplant out) Sep 9
Chervil Mar 26 Mar 5 (Transplant out) Sep 9
Lemongrass Jan 29 Apr 9 (Transplant out) -
Summer Savory Feb 12 Mar 26 (Transplant out) -
Marjoram Feb 12 Apr 2 (Transplant out) -
Lovage Feb 12 Mar 26 (Transplant out) Aug 5
Anise Hyssop Jan 29 Mar 26 (Transplant out) -
Shiso Feb 12 Apr 2 (Transplant out) -
Stevia Jan 29 Apr 9 (Transplant out) -
Chamomile Feb 12 Mar 12 (Transplant out) Aug 30
Tarragon Mar 26 Mar 26 (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 Troutdale, Or, 6.2 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 98607 Local weather →