Harman US

Planting Calendar for ZIP 97720

Based on your local frost dates - last spring frost around Jun 11, first fall frost around Sep 6 - here is when to plant 79 common crops near ZIP 97720.

Last spring frost
Jun 11
First fall frost
Sep 6
Hardiness zone
6a

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Apr 30 Jun 18 (Transplant out) -
Peppers Apr 16 Jun 25 (Transplant out) -
Cucumbers May 21 Jun 18 (Transplant out) Jun 29
Zucchini May 21 Jun 18 (Transplant out) Jul 4
Summer Squash May 21 Jun 18 (Transplant out) Jul 2
Winter Squash May 21 Jun 18 (Transplant out) -
Pumpkins May 21 Jun 18 (Transplant out) -
Green Beans - Jun 11 (Direct sow) Jun 29
Sweet Corn - Jun 18 (Direct sow) -
Melons May 21 Jun 25 (Transplant out) -
Watermelon May 21 Jun 25 (Transplant out) -
Okra - Jun 25 (Direct sow) -
Eggplant Apr 16 Jun 25 (Transplant out) -
Lettuce May 14 May 14 (Transplant out) Jul 4
Spinach - Apr 30 (Direct sow) Jul 9
Kale Apr 30 May 21 (Transplant out) Jun 29
Peas - Apr 30 (Direct sow) Jun 24
Carrots - May 21 (Direct sow) Jun 14
Beets - May 14 (Direct sow) Jun 29
Radishes - May 14 (Direct sow) Jul 26
Broccoli Apr 30 May 28 (Transplant out) Jun 19
Cauliflower Apr 30 May 28 (Transplant out) Jun 14
Cabbage Apr 30 May 21 (Transplant out) Jun 14
Onions Apr 2 May 14 (Transplant out) -
Potatoes - May 28 (Direct sow) -
Swiss Chard May 14 May 28 (Transplant out) Jun 29
Sweet Potatoes - Jul 2 (Direct sow) -
Brussels Sprouts Apr 30 May 28 (Transplant out) May 15
Celery Apr 2 Jun 18 (Transplant out) -
Leeks Apr 2 May 28 (Transplant out) Apr 25
Turnips - May 28 (Direct sow) Jul 4
Rutabaga - Jun 11 (Direct sow) May 20
Parsnips - May 28 (Direct sow) Apr 25
Kohlrabi May 14 May 28 (Transplant out) Jun 29
Collard Greens Apr 30 May 28 (Transplant out) Jun 19
Mustard Greens - May 28 (Direct sow) Jul 9
Arugula - May 28 (Direct sow) Jul 14
Bok Choy May 14 May 28 (Transplant out) Jul 4
Green Onions - May 28 (Direct sow) Jun 24
Tomatillos Apr 30 Jun 18 (Transplant out) -
Fennel May 14 May 28 (Transplant out) Jun 4
Popcorn Jun 11 Jun 25 (Transplant out) -
Black-Eyed Peas Jun 11 Jun 25 (Transplant out) Jun 4
Lima Beans Jun 11 Jun 25 (Transplant out) -
Edamame Jun 11 Jun 25 (Transplant out) -
Peanuts Jun 11 Jun 25 (Transplant out) -
Globe Artichoke Apr 16 May 28 (Transplant out) May 25
Horseradish Jun 11 May 28 (Transplant out) -
Ground Cherries Apr 30 Jun 25 (Transplant out) -
Radicchio May 7 May 28 (Transplant out) Jun 14
Endive May 7 May 28 (Transplant out) May 25
Watercress May 21 May 28 (Transplant out) Jun 24
Sorrel Apr 30 May 21 (Transplant out) Jun 24
Sunchokes Jun 11 May 28 (Transplant out) -
Malabar Spinach Apr 30 Jun 25 (Transplant out) -
Amaranth Greens May 21 Jun 25 (Transplant out) Jul 9
Luffa Gourd Apr 30 Jun 25 (Transplant out) -
New Zealand Spinach May 14 Jun 25 (Transplant out) -
Fava Beans Jun 11 May 14 (Transplant out) May 30
Chayote May 14 Jun 25 (Transplant out) -
Corn Salad Jun 11 May 14 (Transplant out) Jun 24
Bitter Melon May 14 Jun 25 (Transplant out) -
Cardoon Apr 30 Jun 11 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Apr 30 Jun 18 (Transplant out) -
Cilantro - May 28 (Direct sow) Jul 4
Parsley Apr 16 Jun 25 (Transplant out) Jun 9
Dill - Jun 18 (Direct sow) Jun 24
Lemon Balm Apr 30 Jun 11 (Transplant out) -
Borage Jun 11 Jun 11 (Transplant out) Jun 29
Chervil Jun 11 May 21 (Transplant out) Jun 29
Lemongrass Apr 16 Jun 25 (Transplant out) -
Summer Savory Apr 30 Jun 11 (Transplant out) -
Marjoram Apr 30 Jun 18 (Transplant out) -
Lovage Apr 30 Jun 11 (Transplant out) May 25
Anise Hyssop Apr 16 Jun 11 (Transplant out) -
Shiso Apr 30 Jun 18 (Transplant out) -
Stevia Apr 16 Jun 25 (Transplant out) -
Chamomile Apr 30 May 28 (Transplant out) Jun 19
Tarragon Jun 11 Jun 11 (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 Burns Muni Ap, Or, 3.1 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 97720 Local weather →