Harman US

Planting Calendar for ZIP 93271

Based on your local frost dates - last spring frost around Mar 16, first fall frost around Nov 26 - here is when to plant 79 common crops near ZIP 93271.

Last spring frost
Mar 16
First fall frost
Nov 26
Hardiness zone
9b

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Feb 2 Mar 23 (Transplant out) -
Peppers Jan 19 Mar 30 (Transplant out) -
Cucumbers Feb 23 Mar 23 (Transplant out) Sep 18
Zucchini Feb 23 Mar 23 (Transplant out) Sep 23
Summer Squash Feb 23 Mar 23 (Transplant out) Sep 21
Winter Squash Feb 23 Mar 23 (Transplant out) -
Pumpkins Feb 23 Mar 23 (Transplant out) -
Green Beans - Mar 16 (Direct sow) Sep 18
Sweet Corn - Mar 23 (Direct sow) -
Melons Feb 23 Mar 30 (Transplant out) -
Watermelon Feb 23 Mar 30 (Transplant out) -
Okra - Mar 30 (Direct sow) -
Eggplant Jan 19 Mar 30 (Transplant out) -
Lettuce Feb 16 Feb 16 (Transplant out) Sep 23
Spinach - Feb 2 (Direct sow) Sep 28
Kale Feb 2 Feb 23 (Transplant out) Sep 18
Peas - Feb 2 (Direct sow) Sep 13
Carrots - Feb 23 (Direct sow) Sep 3
Beets - Feb 16 (Direct sow) Sep 18
Radishes - Feb 16 (Direct sow) Oct 15
Broccoli Feb 2 Mar 2 (Transplant out) Sep 8
Cauliflower Feb 2 Mar 2 (Transplant out) Sep 3
Cabbage Feb 2 Feb 23 (Transplant out) Sep 3
Onions Jan 5 Feb 16 (Transplant out) -
Potatoes - Mar 2 (Direct sow) -
Swiss Chard Feb 16 Mar 2 (Transplant out) Sep 18
Sweet Potatoes - Apr 6 (Direct sow) -
Brussels Sprouts Feb 2 Mar 2 (Transplant out) Aug 4
Celery Jan 5 Mar 23 (Transplant out) -
Leeks Jan 5 Mar 2 (Transplant out) Jul 15
Turnips - Mar 2 (Direct sow) Sep 23
Rutabaga - Mar 16 (Direct sow) Aug 9
Parsnips - Mar 2 (Direct sow) Jul 15
Kohlrabi Feb 16 Mar 2 (Transplant out) Sep 18
Collard Greens Feb 2 Mar 2 (Transplant out) Sep 8
Mustard Greens - Mar 2 (Direct sow) Sep 28
Arugula - Mar 2 (Direct sow) Oct 3
Bok Choy Feb 16 Mar 2 (Transplant out) Sep 23
Green Onions - Mar 2 (Direct sow) Sep 13
Tomatillos Feb 2 Mar 23 (Transplant out) -
Fennel Feb 16 Mar 2 (Transplant out) Aug 24
Popcorn Mar 16 Mar 30 (Transplant out) -
Black-Eyed Peas Mar 16 Mar 30 (Transplant out) Aug 24
Lima Beans Mar 16 Mar 30 (Transplant out) -
Edamame Mar 16 Mar 30 (Transplant out) -
Peanuts Mar 16 Mar 30 (Transplant out) -
Globe Artichoke Jan 19 Mar 2 (Transplant out) Aug 14
Horseradish Mar 16 Mar 2 (Transplant out) -
Ground Cherries Feb 2 Mar 30 (Transplant out) -
Radicchio Feb 9 Mar 2 (Transplant out) Sep 3
Endive Feb 9 Mar 2 (Transplant out) Aug 14
Watercress Feb 23 Mar 2 (Transplant out) Sep 13
Sorrel Feb 2 Feb 23 (Transplant out) Sep 13
Sunchokes Mar 16 Mar 2 (Transplant out) -
Malabar Spinach Feb 2 Mar 30 (Transplant out) -
Amaranth Greens Feb 23 Mar 30 (Transplant out) Sep 28
Luffa Gourd Feb 2 Mar 30 (Transplant out) -
New Zealand Spinach Feb 16 Mar 30 (Transplant out) -
Fava Beans Mar 16 Feb 16 (Transplant out) Aug 19
Chayote Feb 16 Mar 30 (Transplant out) -
Corn Salad Mar 16 Feb 16 (Transplant out) Sep 13
Bitter Melon Feb 16 Mar 30 (Transplant out) -
Cardoon Feb 2 Mar 16 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Feb 2 Mar 23 (Transplant out) -
Cilantro - Mar 2 (Direct sow) Sep 23
Parsley Jan 19 Mar 30 (Transplant out) Aug 29
Dill - Mar 23 (Direct sow) Sep 13
Lemon Balm Feb 2 Mar 16 (Transplant out) -
Borage Mar 16 Mar 16 (Transplant out) Sep 18
Chervil Mar 16 Feb 23 (Transplant out) Sep 18
Lemongrass Jan 19 Mar 30 (Transplant out) -
Summer Savory Feb 2 Mar 16 (Transplant out) -
Marjoram Feb 2 Mar 23 (Transplant out) -
Lovage Feb 2 Mar 16 (Transplant out) Aug 14
Anise Hyssop Jan 19 Mar 16 (Transplant out) -
Shiso Feb 2 Mar 23 (Transplant out) -
Stevia Jan 19 Mar 30 (Transplant out) -
Chamomile Feb 2 Mar 2 (Transplant out) Sep 8
Tarragon Mar 16 Mar 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 Three Rivers Edison Ph 1, Ca, 2 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 93271 Local weather →