Harman US

Planting Calendar for ZIP 97028

Based on your local frost dates - last spring frost around May 27, first fall frost around Oct 9 - here is when to plant 79 common crops near ZIP 97028.

Last spring frost
May 27
First fall frost
Oct 9
Hardiness zone
7a

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Apr 15 Jun 3 (Transplant out) -
Peppers Apr 1 Jun 10 (Transplant out) -
Cucumbers May 6 Jun 3 (Transplant out) Aug 1
Zucchini May 6 Jun 3 (Transplant out) Aug 6
Summer Squash May 6 Jun 3 (Transplant out) Aug 4
Winter Squash May 6 Jun 3 (Transplant out) -
Pumpkins May 6 Jun 3 (Transplant out) -
Green Beans - May 27 (Direct sow) Aug 1
Sweet Corn - Jun 3 (Direct sow) -
Melons May 6 Jun 10 (Transplant out) -
Watermelon May 6 Jun 10 (Transplant out) -
Okra - Jun 10 (Direct sow) -
Eggplant Apr 1 Jun 10 (Transplant out) -
Lettuce Apr 29 Apr 29 (Transplant out) Aug 6
Spinach - Apr 15 (Direct sow) Aug 11
Kale Apr 15 May 6 (Transplant out) Aug 1
Peas - Apr 15 (Direct sow) Jul 27
Carrots - May 6 (Direct sow) Jul 17
Beets - Apr 29 (Direct sow) Aug 1
Radishes - Apr 29 (Direct sow) Aug 28
Broccoli Apr 15 May 13 (Transplant out) Jul 22
Cauliflower Apr 15 May 13 (Transplant out) Jul 17
Cabbage Apr 15 May 6 (Transplant out) Jul 17
Onions Mar 18 Apr 29 (Transplant out) -
Potatoes - May 13 (Direct sow) -
Swiss Chard Apr 29 May 13 (Transplant out) Aug 1
Sweet Potatoes - Jun 17 (Direct sow) -
Brussels Sprouts Apr 15 May 13 (Transplant out) Jun 17
Celery Mar 18 Jun 3 (Transplant out) -
Leeks Mar 18 May 13 (Transplant out) May 28
Turnips - May 13 (Direct sow) Aug 6
Rutabaga - May 27 (Direct sow) Jun 22
Parsnips - May 13 (Direct sow) May 28
Kohlrabi Apr 29 May 13 (Transplant out) Aug 1
Collard Greens Apr 15 May 13 (Transplant out) Jul 22
Mustard Greens - May 13 (Direct sow) Aug 11
Arugula - May 13 (Direct sow) Aug 16
Bok Choy Apr 29 May 13 (Transplant out) Aug 6
Green Onions - May 13 (Direct sow) Jul 27
Tomatillos Apr 15 Jun 3 (Transplant out) -
Fennel Apr 29 May 13 (Transplant out) Jul 7
Popcorn May 27 Jun 10 (Transplant out) -
Black-Eyed Peas May 27 Jun 10 (Transplant out) Jul 7
Lima Beans May 27 Jun 10 (Transplant out) -
Edamame May 27 Jun 10 (Transplant out) -
Peanuts May 27 Jun 10 (Transplant out) -
Globe Artichoke Apr 1 May 13 (Transplant out) Jun 27
Horseradish May 27 May 13 (Transplant out) -
Ground Cherries Apr 15 Jun 10 (Transplant out) -
Radicchio Apr 22 May 13 (Transplant out) Jul 17
Endive Apr 22 May 13 (Transplant out) Jun 27
Watercress May 6 May 13 (Transplant out) Jul 27
Sorrel Apr 15 May 6 (Transplant out) Jul 27
Sunchokes May 27 May 13 (Transplant out) -
Malabar Spinach Apr 15 Jun 10 (Transplant out) -
Amaranth Greens May 6 Jun 10 (Transplant out) Aug 11
Luffa Gourd Apr 15 Jun 10 (Transplant out) -
New Zealand Spinach Apr 29 Jun 10 (Transplant out) -
Fava Beans May 27 Apr 29 (Transplant out) Jul 2
Chayote Apr 29 Jun 10 (Transplant out) -
Corn Salad May 27 Apr 29 (Transplant out) Jul 27
Bitter Melon Apr 29 Jun 10 (Transplant out) -
Cardoon Apr 15 May 27 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Apr 15 Jun 3 (Transplant out) -
Cilantro - May 13 (Direct sow) Aug 6
Parsley Apr 1 Jun 10 (Transplant out) Jul 12
Dill - Jun 3 (Direct sow) Jul 27
Lemon Balm Apr 15 May 27 (Transplant out) -
Borage May 27 May 27 (Transplant out) Aug 1
Chervil May 27 May 6 (Transplant out) Aug 1
Lemongrass Apr 1 Jun 10 (Transplant out) -
Summer Savory Apr 15 May 27 (Transplant out) -
Marjoram Apr 15 Jun 3 (Transplant out) -
Lovage Apr 15 May 27 (Transplant out) Jun 27
Anise Hyssop Apr 1 May 27 (Transplant out) -
Shiso Apr 15 Jun 3 (Transplant out) -
Stevia Apr 1 Jun 10 (Transplant out) -
Chamomile Apr 15 May 13 (Transplant out) Jul 22
Tarragon May 27 May 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 Government Camp, Or, 3.3 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 97028 Local weather →