Harman US

Planting Calendar for ZIP 97906

Based on your local frost dates - last spring frost around Jun 7, first fall frost around Sep 6 - here is when to plant 79 common crops near ZIP 97906.

Last spring frost
Jun 7
First fall frost
Sep 6
Hardiness zone
6b

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Apr 26 Jun 14 (Transplant out) -
Peppers Apr 12 Jun 21 (Transplant out) -
Cucumbers May 17 Jun 14 (Transplant out) Jun 29
Zucchini May 17 Jun 14 (Transplant out) Jul 4
Summer Squash May 17 Jun 14 (Transplant out) Jul 2
Winter Squash May 17 Jun 14 (Transplant out) -
Pumpkins May 17 Jun 14 (Transplant out) -
Green Beans - Jun 7 (Direct sow) Jun 29
Sweet Corn - Jun 14 (Direct sow) -
Melons May 17 Jun 21 (Transplant out) -
Watermelon May 17 Jun 21 (Transplant out) -
Okra - Jun 21 (Direct sow) -
Eggplant Apr 12 Jun 21 (Transplant out) -
Lettuce May 10 May 10 (Transplant out) Jul 4
Spinach - Apr 26 (Direct sow) Jul 9
Kale Apr 26 May 17 (Transplant out) Jun 29
Peas - Apr 26 (Direct sow) Jun 24
Carrots - May 17 (Direct sow) Jun 14
Beets - May 10 (Direct sow) Jun 29
Radishes - May 10 (Direct sow) Jul 26
Broccoli Apr 26 May 24 (Transplant out) Jun 19
Cauliflower Apr 26 May 24 (Transplant out) Jun 14
Cabbage Apr 26 May 17 (Transplant out) Jun 14
Onions Mar 29 May 10 (Transplant out) -
Potatoes - May 24 (Direct sow) -
Swiss Chard May 10 May 24 (Transplant out) Jun 29
Sweet Potatoes - Jun 28 (Direct sow) -
Brussels Sprouts Apr 26 May 24 (Transplant out) May 15
Celery Mar 29 Jun 14 (Transplant out) -
Leeks Mar 29 May 24 (Transplant out) Apr 25
Turnips - May 24 (Direct sow) Jul 4
Rutabaga - Jun 7 (Direct sow) May 20
Parsnips - May 24 (Direct sow) Apr 25
Kohlrabi May 10 May 24 (Transplant out) Jun 29
Collard Greens Apr 26 May 24 (Transplant out) Jun 19
Mustard Greens - May 24 (Direct sow) Jul 9
Arugula - May 24 (Direct sow) Jul 14
Bok Choy May 10 May 24 (Transplant out) Jul 4
Green Onions - May 24 (Direct sow) Jun 24
Tomatillos Apr 26 Jun 14 (Transplant out) -
Fennel May 10 May 24 (Transplant out) Jun 4
Popcorn Jun 7 Jun 21 (Transplant out) -
Black-Eyed Peas Jun 7 Jun 21 (Transplant out) Jun 4
Lima Beans Jun 7 Jun 21 (Transplant out) -
Edamame Jun 7 Jun 21 (Transplant out) -
Peanuts Jun 7 Jun 21 (Transplant out) -
Globe Artichoke Apr 12 May 24 (Transplant out) May 25
Horseradish Jun 7 May 24 (Transplant out) -
Ground Cherries Apr 26 Jun 21 (Transplant out) -
Radicchio May 3 May 24 (Transplant out) Jun 14
Endive May 3 May 24 (Transplant out) May 25
Watercress May 17 May 24 (Transplant out) Jun 24
Sorrel Apr 26 May 17 (Transplant out) Jun 24
Sunchokes Jun 7 May 24 (Transplant out) -
Malabar Spinach Apr 26 Jun 21 (Transplant out) -
Amaranth Greens May 17 Jun 21 (Transplant out) Jul 9
Luffa Gourd Apr 26 Jun 21 (Transplant out) -
New Zealand Spinach May 10 Jun 21 (Transplant out) -
Fava Beans Jun 7 May 10 (Transplant out) May 30
Chayote May 10 Jun 21 (Transplant out) -
Corn Salad Jun 7 May 10 (Transplant out) Jun 24
Bitter Melon May 10 Jun 21 (Transplant out) -
Cardoon Apr 26 Jun 7 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Apr 26 Jun 14 (Transplant out) -
Cilantro - May 24 (Direct sow) Jul 4
Parsley Apr 12 Jun 21 (Transplant out) Jun 9
Dill - Jun 14 (Direct sow) Jun 24
Lemon Balm Apr 26 Jun 7 (Transplant out) -
Borage Jun 7 Jun 7 (Transplant out) Jun 29
Chervil Jun 7 May 17 (Transplant out) Jun 29
Lemongrass Apr 12 Jun 21 (Transplant out) -
Summer Savory Apr 26 Jun 7 (Transplant out) -
Marjoram Apr 26 Jun 14 (Transplant out) -
Lovage Apr 26 Jun 7 (Transplant out) May 25
Anise Hyssop Apr 12 Jun 7 (Transplant out) -
Shiso Apr 26 Jun 14 (Transplant out) -
Stevia Apr 12 Jun 21 (Transplant out) -
Chamomile Apr 26 May 24 (Transplant out) Jun 19
Tarragon Jun 7 Jun 7 (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 Riverside 7 Ssw, Or, 20.7 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 97906 Local weather →