Harman US

Planting Calendar for ZIP 92233

Based on your local frost dates - last spring frost around Jan 16, first fall frost around Dec 19 - here is when to plant 79 common crops near ZIP 92233.

Last spring frost
Jan 16
First fall frost
Dec 19
Hardiness zone
9b

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Dec 5 Jan 23 (Transplant out) -
Peppers Nov 21 Jan 30 (Transplant out) -
Cucumbers Dec 26 Jan 23 (Transplant out) Oct 11
Zucchini Dec 26 Jan 23 (Transplant out) Oct 16
Summer Squash Dec 26 Jan 23 (Transplant out) Oct 14
Winter Squash Dec 26 Jan 23 (Transplant out) -
Pumpkins Dec 26 Jan 23 (Transplant out) -
Green Beans - Jan 16 (Direct sow) Oct 11
Sweet Corn - Jan 23 (Direct sow) -
Melons Dec 26 Jan 30 (Transplant out) -
Watermelon Dec 26 Jan 30 (Transplant out) -
Okra - Jan 30 (Direct sow) -
Eggplant Nov 21 Jan 30 (Transplant out) -
Lettuce Dec 19 Dec 19 (Transplant out) Oct 16
Spinach - Dec 5 (Direct sow) Oct 21
Kale Dec 5 Dec 26 (Transplant out) Oct 11
Peas - Dec 5 (Direct sow) Oct 6
Carrots - Dec 26 (Direct sow) Sep 26
Beets - Dec 19 (Direct sow) Oct 11
Radishes - Dec 19 (Direct sow) Nov 7
Broccoli Dec 5 Jan 2 (Transplant out) Oct 1
Cauliflower Dec 5 Jan 2 (Transplant out) Sep 26
Cabbage Dec 5 Dec 26 (Transplant out) Sep 26
Onions Nov 7 Dec 19 (Transplant out) -
Potatoes - Jan 2 (Direct sow) -
Swiss Chard Dec 19 Jan 2 (Transplant out) Oct 11
Sweet Potatoes - Feb 6 (Direct sow) -
Brussels Sprouts Dec 5 Jan 2 (Transplant out) Aug 27
Celery Nov 7 Jan 23 (Transplant out) -
Leeks Nov 7 Jan 2 (Transplant out) Aug 7
Turnips - Jan 2 (Direct sow) Oct 16
Rutabaga - Jan 16 (Direct sow) Sep 1
Parsnips - Jan 2 (Direct sow) Aug 7
Kohlrabi Dec 19 Jan 2 (Transplant out) Oct 11
Collard Greens Dec 5 Jan 2 (Transplant out) Oct 1
Mustard Greens - Jan 2 (Direct sow) Oct 21
Arugula - Jan 2 (Direct sow) Oct 26
Bok Choy Dec 19 Jan 2 (Transplant out) Oct 16
Green Onions - Jan 2 (Direct sow) Oct 6
Tomatillos Dec 5 Jan 23 (Transplant out) -
Fennel Dec 19 Jan 2 (Transplant out) Sep 16
Popcorn Jan 16 Jan 30 (Transplant out) -
Black-Eyed Peas Jan 16 Jan 30 (Transplant out) Sep 16
Lima Beans Jan 16 Jan 30 (Transplant out) -
Edamame Jan 16 Jan 30 (Transplant out) -
Peanuts Jan 16 Jan 30 (Transplant out) -
Globe Artichoke Nov 21 Jan 2 (Transplant out) Sep 6
Horseradish Jan 16 Jan 2 (Transplant out) -
Ground Cherries Dec 5 Jan 30 (Transplant out) -
Radicchio Dec 12 Jan 2 (Transplant out) Sep 26
Endive Dec 12 Jan 2 (Transplant out) Sep 6
Watercress Dec 26 Jan 2 (Transplant out) Oct 6
Sorrel Dec 5 Dec 26 (Transplant out) Oct 6
Sunchokes Jan 16 Jan 2 (Transplant out) -
Malabar Spinach Dec 5 Jan 30 (Transplant out) -
Amaranth Greens Dec 26 Jan 30 (Transplant out) Oct 21
Luffa Gourd Dec 5 Jan 30 (Transplant out) -
New Zealand Spinach Dec 19 Jan 30 (Transplant out) -
Fava Beans Jan 16 Dec 19 (Transplant out) Sep 11
Chayote Dec 19 Jan 30 (Transplant out) -
Corn Salad Jan 16 Dec 19 (Transplant out) Oct 6
Bitter Melon Dec 19 Jan 30 (Transplant out) -
Cardoon Dec 5 Jan 16 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Dec 5 Jan 23 (Transplant out) -
Cilantro - Jan 2 (Direct sow) Oct 16
Parsley Nov 21 Jan 30 (Transplant out) Sep 21
Dill - Jan 23 (Direct sow) Oct 6
Lemon Balm Dec 5 Jan 16 (Transplant out) -
Borage Jan 16 Jan 16 (Transplant out) Oct 11
Chervil Jan 16 Dec 26 (Transplant out) Oct 11
Lemongrass Nov 21 Jan 30 (Transplant out) -
Summer Savory Dec 5 Jan 16 (Transplant out) -
Marjoram Dec 5 Jan 23 (Transplant out) -
Lovage Dec 5 Jan 16 (Transplant out) Sep 6
Anise Hyssop Nov 21 Jan 16 (Transplant out) -
Shiso Dec 5 Jan 23 (Transplant out) -
Stevia Nov 21 Jan 30 (Transplant out) -
Chamomile Dec 5 Jan 2 (Transplant out) Oct 1
Tarragon Jan 16 Jan 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 Brawley 2 Sw, Ca, 13.7 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 92233 Local weather →