Harman US

Planting Calendar for ZIP 92327

Based on your local frost dates - last spring frost around Feb 19, first fall frost around Nov 26 - here is when to plant 79 common crops near ZIP 92327.

Last spring frost
Feb 19
First fall frost
Nov 26
Hardiness zone
9a

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Jan 8 Feb 26 (Transplant out) -
Peppers Dec 25 Mar 5 (Transplant out) -
Cucumbers Jan 29 Feb 26 (Transplant out) Sep 18
Zucchini Jan 29 Feb 26 (Transplant out) Sep 23
Summer Squash Jan 29 Feb 26 (Transplant out) Sep 21
Winter Squash Jan 29 Feb 26 (Transplant out) -
Pumpkins Jan 29 Feb 26 (Transplant out) -
Green Beans - Feb 19 (Direct sow) Sep 18
Sweet Corn - Feb 26 (Direct sow) -
Melons Jan 29 Mar 5 (Transplant out) -
Watermelon Jan 29 Mar 5 (Transplant out) -
Okra - Mar 5 (Direct sow) -
Eggplant Dec 25 Mar 5 (Transplant out) -
Lettuce Jan 22 Jan 22 (Transplant out) Sep 23
Spinach - Jan 8 (Direct sow) Sep 28
Kale Jan 8 Jan 29 (Transplant out) Sep 18
Peas - Jan 8 (Direct sow) Sep 13
Carrots - Jan 29 (Direct sow) Sep 3
Beets - Jan 22 (Direct sow) Sep 18
Radishes - Jan 22 (Direct sow) Oct 15
Broccoli Jan 8 Feb 5 (Transplant out) Sep 8
Cauliflower Jan 8 Feb 5 (Transplant out) Sep 3
Cabbage Jan 8 Jan 29 (Transplant out) Sep 3
Onions Dec 11 Jan 22 (Transplant out) -
Potatoes - Feb 5 (Direct sow) -
Swiss Chard Jan 22 Feb 5 (Transplant out) Sep 18
Sweet Potatoes - Mar 12 (Direct sow) -
Brussels Sprouts Jan 8 Feb 5 (Transplant out) Aug 4
Celery Dec 11 Feb 26 (Transplant out) -
Leeks Dec 11 Feb 5 (Transplant out) Jul 15
Turnips - Feb 5 (Direct sow) Sep 23
Rutabaga - Feb 19 (Direct sow) Aug 9
Parsnips - Feb 5 (Direct sow) Jul 15
Kohlrabi Jan 22 Feb 5 (Transplant out) Sep 18
Collard Greens Jan 8 Feb 5 (Transplant out) Sep 8
Mustard Greens - Feb 5 (Direct sow) Sep 28
Arugula - Feb 5 (Direct sow) Oct 3
Bok Choy Jan 22 Feb 5 (Transplant out) Sep 23
Green Onions - Feb 5 (Direct sow) Sep 13
Tomatillos Jan 8 Feb 26 (Transplant out) -
Fennel Jan 22 Feb 5 (Transplant out) Aug 24
Popcorn Feb 19 Mar 5 (Transplant out) -
Black-Eyed Peas Feb 19 Mar 5 (Transplant out) Aug 24
Lima Beans Feb 19 Mar 5 (Transplant out) -
Edamame Feb 19 Mar 5 (Transplant out) -
Peanuts Feb 19 Mar 5 (Transplant out) -
Globe Artichoke Dec 25 Feb 5 (Transplant out) Aug 14
Horseradish Feb 19 Feb 5 (Transplant out) -
Ground Cherries Jan 8 Mar 5 (Transplant out) -
Radicchio Jan 15 Feb 5 (Transplant out) Sep 3
Endive Jan 15 Feb 5 (Transplant out) Aug 14
Watercress Jan 29 Feb 5 (Transplant out) Sep 13
Sorrel Jan 8 Jan 29 (Transplant out) Sep 13
Sunchokes Feb 19 Feb 5 (Transplant out) -
Malabar Spinach Jan 8 Mar 5 (Transplant out) -
Amaranth Greens Jan 29 Mar 5 (Transplant out) Sep 28
Luffa Gourd Jan 8 Mar 5 (Transplant out) -
New Zealand Spinach Jan 22 Mar 5 (Transplant out) -
Fava Beans Feb 19 Jan 22 (Transplant out) Aug 19
Chayote Jan 22 Mar 5 (Transplant out) -
Corn Salad Feb 19 Jan 22 (Transplant out) Sep 13
Bitter Melon Jan 22 Mar 5 (Transplant out) -
Cardoon Jan 8 Feb 19 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Jan 8 Feb 26 (Transplant out) -
Cilantro - Feb 5 (Direct sow) Sep 23
Parsley Dec 25 Mar 5 (Transplant out) Aug 29
Dill - Feb 26 (Direct sow) Sep 13
Lemon Balm Jan 8 Feb 19 (Transplant out) -
Borage Feb 19 Feb 19 (Transplant out) Sep 18
Chervil Feb 19 Jan 29 (Transplant out) Sep 18
Lemongrass Dec 25 Mar 5 (Transplant out) -
Summer Savory Jan 8 Feb 19 (Transplant out) -
Marjoram Jan 8 Feb 26 (Transplant out) -
Lovage Jan 8 Feb 19 (Transplant out) Aug 14
Anise Hyssop Dec 25 Feb 19 (Transplant out) -
Shiso Jan 8 Feb 26 (Transplant out) -
Stevia Dec 25 Mar 5 (Transplant out) -
Chamomile Jan 8 Feb 5 (Transplant out) Sep 8
Tarragon Feb 19 Feb 19 (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 Barstow Daggett Ap, Ca, 3 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

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