Harman US

Planting Calendar for ZIP 97080

Based on your local frost dates - last spring frost around Mar 16, first fall frost around Nov 20 - here is when to plant 79 common crops near ZIP 97080.

Last spring frost
Mar 16
First fall frost
Nov 20
Hardiness zone
8b

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Feb 2 Mar 23 (Transplant out) -
Peppers Jan 19 Mar 30 (Transplant out) -
Cucumbers Feb 23 Mar 23 (Transplant out) Sep 12
Zucchini Feb 23 Mar 23 (Transplant out) Sep 17
Summer Squash Feb 23 Mar 23 (Transplant out) Sep 15
Winter Squash Feb 23 Mar 23 (Transplant out) -
Pumpkins Feb 23 Mar 23 (Transplant out) -
Green Beans - Mar 16 (Direct sow) Sep 12
Sweet Corn - Mar 23 (Direct sow) -
Melons Feb 23 Mar 30 (Transplant out) -
Watermelon Feb 23 Mar 30 (Transplant out) -
Okra - Mar 30 (Direct sow) -
Eggplant Jan 19 Mar 30 (Transplant out) -
Lettuce Feb 16 Feb 16 (Transplant out) Sep 17
Spinach - Feb 2 (Direct sow) Sep 22
Kale Feb 2 Feb 23 (Transplant out) Sep 12
Peas - Feb 2 (Direct sow) Sep 7
Carrots - Feb 23 (Direct sow) Aug 28
Beets - Feb 16 (Direct sow) Sep 12
Radishes - Feb 16 (Direct sow) Oct 9
Broccoli Feb 2 Mar 2 (Transplant out) Sep 2
Cauliflower Feb 2 Mar 2 (Transplant out) Aug 28
Cabbage Feb 2 Feb 23 (Transplant out) Aug 28
Onions Jan 5 Feb 16 (Transplant out) -
Potatoes - Mar 2 (Direct sow) -
Swiss Chard Feb 16 Mar 2 (Transplant out) Sep 12
Sweet Potatoes - Apr 6 (Direct sow) -
Brussels Sprouts Feb 2 Mar 2 (Transplant out) Jul 29
Celery Jan 5 Mar 23 (Transplant out) -
Leeks Jan 5 Mar 2 (Transplant out) Jul 9
Turnips - Mar 2 (Direct sow) Sep 17
Rutabaga - Mar 16 (Direct sow) Aug 3
Parsnips - Mar 2 (Direct sow) Jul 9
Kohlrabi Feb 16 Mar 2 (Transplant out) Sep 12
Collard Greens Feb 2 Mar 2 (Transplant out) Sep 2
Mustard Greens - Mar 2 (Direct sow) Sep 22
Arugula - Mar 2 (Direct sow) Sep 27
Bok Choy Feb 16 Mar 2 (Transplant out) Sep 17
Green Onions - Mar 2 (Direct sow) Sep 7
Tomatillos Feb 2 Mar 23 (Transplant out) -
Fennel Feb 16 Mar 2 (Transplant out) Aug 18
Popcorn Mar 16 Mar 30 (Transplant out) -
Black-Eyed Peas Mar 16 Mar 30 (Transplant out) Aug 18
Lima Beans Mar 16 Mar 30 (Transplant out) -
Edamame Mar 16 Mar 30 (Transplant out) -
Peanuts Mar 16 Mar 30 (Transplant out) -
Globe Artichoke Jan 19 Mar 2 (Transplant out) Aug 8
Horseradish Mar 16 Mar 2 (Transplant out) -
Ground Cherries Feb 2 Mar 30 (Transplant out) -
Radicchio Feb 9 Mar 2 (Transplant out) Aug 28
Endive Feb 9 Mar 2 (Transplant out) Aug 8
Watercress Feb 23 Mar 2 (Transplant out) Sep 7
Sorrel Feb 2 Feb 23 (Transplant out) Sep 7
Sunchokes Mar 16 Mar 2 (Transplant out) -
Malabar Spinach Feb 2 Mar 30 (Transplant out) -
Amaranth Greens Feb 23 Mar 30 (Transplant out) Sep 22
Luffa Gourd Feb 2 Mar 30 (Transplant out) -
New Zealand Spinach Feb 16 Mar 30 (Transplant out) -
Fava Beans Mar 16 Feb 16 (Transplant out) Aug 13
Chayote Feb 16 Mar 30 (Transplant out) -
Corn Salad Mar 16 Feb 16 (Transplant out) Sep 7
Bitter Melon Feb 16 Mar 30 (Transplant out) -
Cardoon Feb 2 Mar 16 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Feb 2 Mar 23 (Transplant out) -
Cilantro - Mar 2 (Direct sow) Sep 17
Parsley Jan 19 Mar 30 (Transplant out) Aug 23
Dill - Mar 23 (Direct sow) Sep 7
Lemon Balm Feb 2 Mar 16 (Transplant out) -
Borage Mar 16 Mar 16 (Transplant out) Sep 12
Chervil Mar 16 Feb 23 (Transplant out) Sep 12
Lemongrass Jan 19 Mar 30 (Transplant out) -
Summer Savory Feb 2 Mar 16 (Transplant out) -
Marjoram Feb 2 Mar 23 (Transplant out) -
Lovage Feb 2 Mar 16 (Transplant out) Aug 8
Anise Hyssop Jan 19 Mar 16 (Transplant out) -
Shiso Feb 2 Mar 23 (Transplant out) -
Stevia Jan 19 Mar 30 (Transplant out) -
Chamomile Feb 2 Mar 2 (Transplant out) Sep 2
Tarragon Mar 16 Mar 16 (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 Portland Troutdale Ap, Or, 5.1 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 97080 Local weather →