Harman US

Planting Calendar for ZIP 74037

Based on your local frost dates - last spring frost around Mar 30, first fall frost around Nov 4 - here is when to plant 79 common crops near ZIP 74037.

Last spring frost
Mar 30
First fall frost
Nov 4
Hardiness zone
7b

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Feb 16 Apr 6 (Transplant out) -
Peppers Feb 2 Apr 13 (Transplant out) -
Cucumbers Mar 9 Apr 6 (Transplant out) Aug 27
Zucchini Mar 9 Apr 6 (Transplant out) Sep 1
Summer Squash Mar 9 Apr 6 (Transplant out) Aug 30
Winter Squash Mar 9 Apr 6 (Transplant out) -
Pumpkins Mar 9 Apr 6 (Transplant out) -
Green Beans - Mar 30 (Direct sow) Aug 27
Sweet Corn - Apr 6 (Direct sow) -
Melons Mar 9 Apr 13 (Transplant out) -
Watermelon Mar 9 Apr 13 (Transplant out) -
Okra - Apr 13 (Direct sow) -
Eggplant Feb 2 Apr 13 (Transplant out) -
Lettuce Mar 2 Mar 2 (Transplant out) Sep 1
Spinach - Feb 16 (Direct sow) Sep 6
Kale Feb 16 Mar 9 (Transplant out) Aug 27
Peas - Feb 16 (Direct sow) Aug 22
Carrots - Mar 9 (Direct sow) Aug 12
Beets - Mar 2 (Direct sow) Aug 27
Radishes - Mar 2 (Direct sow) Sep 23
Broccoli Feb 16 Mar 16 (Transplant out) Aug 17
Cauliflower Feb 16 Mar 16 (Transplant out) Aug 12
Cabbage Feb 16 Mar 9 (Transplant out) Aug 12
Onions Jan 19 Mar 2 (Transplant out) -
Potatoes - Mar 16 (Direct sow) -
Swiss Chard Mar 2 Mar 16 (Transplant out) Aug 27
Sweet Potatoes - Apr 20 (Direct sow) -
Brussels Sprouts Feb 16 Mar 16 (Transplant out) Jul 13
Celery Jan 19 Apr 6 (Transplant out) -
Leeks Jan 19 Mar 16 (Transplant out) Jun 23
Turnips - Mar 16 (Direct sow) Sep 1
Rutabaga - Mar 30 (Direct sow) Jul 18
Parsnips - Mar 16 (Direct sow) Jun 23
Kohlrabi Mar 2 Mar 16 (Transplant out) Aug 27
Collard Greens Feb 16 Mar 16 (Transplant out) Aug 17
Mustard Greens - Mar 16 (Direct sow) Sep 6
Arugula - Mar 16 (Direct sow) Sep 11
Bok Choy Mar 2 Mar 16 (Transplant out) Sep 1
Green Onions - Mar 16 (Direct sow) Aug 22
Tomatillos Feb 16 Apr 6 (Transplant out) -
Fennel Mar 2 Mar 16 (Transplant out) Aug 2
Popcorn Mar 30 Apr 13 (Transplant out) -
Black-Eyed Peas Mar 30 Apr 13 (Transplant out) Aug 2
Lima Beans Mar 30 Apr 13 (Transplant out) -
Edamame Mar 30 Apr 13 (Transplant out) -
Peanuts Mar 30 Apr 13 (Transplant out) -
Globe Artichoke Feb 2 Mar 16 (Transplant out) Jul 23
Horseradish Mar 30 Mar 16 (Transplant out) -
Ground Cherries Feb 16 Apr 13 (Transplant out) -
Radicchio Feb 23 Mar 16 (Transplant out) Aug 12
Endive Feb 23 Mar 16 (Transplant out) Jul 23
Watercress Mar 9 Mar 16 (Transplant out) Aug 22
Sorrel Feb 16 Mar 9 (Transplant out) Aug 22
Sunchokes Mar 30 Mar 16 (Transplant out) -
Malabar Spinach Feb 16 Apr 13 (Transplant out) -
Amaranth Greens Mar 9 Apr 13 (Transplant out) Sep 6
Luffa Gourd Feb 16 Apr 13 (Transplant out) -
New Zealand Spinach Mar 2 Apr 13 (Transplant out) -
Fava Beans Mar 30 Mar 2 (Transplant out) Jul 28
Chayote Mar 2 Apr 13 (Transplant out) -
Corn Salad Mar 30 Mar 2 (Transplant out) Aug 22
Bitter Melon Mar 2 Apr 13 (Transplant out) -
Cardoon Feb 16 Mar 30 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Feb 16 Apr 6 (Transplant out) -
Cilantro - Mar 16 (Direct sow) Sep 1
Parsley Feb 2 Apr 13 (Transplant out) Aug 7
Dill - Apr 6 (Direct sow) Aug 22
Lemon Balm Feb 16 Mar 30 (Transplant out) -
Borage Mar 30 Mar 30 (Transplant out) Aug 27
Chervil Mar 30 Mar 9 (Transplant out) Aug 27
Lemongrass Feb 2 Apr 13 (Transplant out) -
Summer Savory Feb 16 Mar 30 (Transplant out) -
Marjoram Feb 16 Apr 6 (Transplant out) -
Lovage Feb 16 Mar 30 (Transplant out) Jul 23
Anise Hyssop Feb 2 Mar 30 (Transplant out) -
Shiso Feb 16 Apr 6 (Transplant out) -
Stevia Feb 2 Apr 13 (Transplant out) -
Chamomile Feb 16 Mar 16 (Transplant out) Aug 17
Tarragon Mar 30 Mar 30 (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 Tulsa R L Jones Jr Ap, Ok, 2.8 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 74037 Local weather →