Harman US

Planting Calendar for ZIP 94535

Based on your local frost dates - last spring frost around Jan 15, first fall frost around Dec 14 - here is when to plant 79 common crops near ZIP 94535.

Last spring frost
Jan 15
First fall frost
Dec 14
Hardiness zone
9b

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Dec 4 Jan 22 (Transplant out) -
Peppers Nov 20 Jan 29 (Transplant out) -
Cucumbers Dec 25 Jan 22 (Transplant out) Oct 6
Zucchini Dec 25 Jan 22 (Transplant out) Oct 11
Summer Squash Dec 25 Jan 22 (Transplant out) Oct 9
Winter Squash Dec 25 Jan 22 (Transplant out) -
Pumpkins Dec 25 Jan 22 (Transplant out) -
Green Beans - Jan 15 (Direct sow) Oct 6
Sweet Corn - Jan 22 (Direct sow) -
Melons Dec 25 Jan 29 (Transplant out) -
Watermelon Dec 25 Jan 29 (Transplant out) -
Okra - Jan 29 (Direct sow) -
Eggplant Nov 20 Jan 29 (Transplant out) -
Lettuce Dec 18 Dec 18 (Transplant out) Oct 11
Spinach - Dec 4 (Direct sow) Oct 16
Kale Dec 4 Dec 25 (Transplant out) Oct 6
Peas - Dec 4 (Direct sow) Oct 1
Carrots - Dec 25 (Direct sow) Sep 21
Beets - Dec 18 (Direct sow) Oct 6
Radishes - Dec 18 (Direct sow) Nov 2
Broccoli Dec 4 Jan 1 (Transplant out) Sep 26
Cauliflower Dec 4 Jan 1 (Transplant out) Sep 21
Cabbage Dec 4 Dec 25 (Transplant out) Sep 21
Onions Nov 6 Dec 18 (Transplant out) -
Potatoes - Jan 1 (Direct sow) -
Swiss Chard Dec 18 Jan 1 (Transplant out) Oct 6
Sweet Potatoes - Feb 5 (Direct sow) -
Brussels Sprouts Dec 4 Jan 1 (Transplant out) Aug 22
Celery Nov 6 Jan 22 (Transplant out) -
Leeks Nov 6 Jan 1 (Transplant out) Aug 2
Turnips - Jan 1 (Direct sow) Oct 11
Rutabaga - Jan 15 (Direct sow) Aug 27
Parsnips - Jan 1 (Direct sow) Aug 2
Kohlrabi Dec 18 Jan 1 (Transplant out) Oct 6
Collard Greens Dec 4 Jan 1 (Transplant out) Sep 26
Mustard Greens - Jan 1 (Direct sow) Oct 16
Arugula - Jan 1 (Direct sow) Oct 21
Bok Choy Dec 18 Jan 1 (Transplant out) Oct 11
Green Onions - Jan 1 (Direct sow) Oct 1
Tomatillos Dec 4 Jan 22 (Transplant out) -
Fennel Dec 18 Jan 1 (Transplant out) Sep 11
Popcorn Jan 15 Jan 29 (Transplant out) -
Black-Eyed Peas Jan 15 Jan 29 (Transplant out) Sep 11
Lima Beans Jan 15 Jan 29 (Transplant out) -
Edamame Jan 15 Jan 29 (Transplant out) -
Peanuts Jan 15 Jan 29 (Transplant out) -
Globe Artichoke Nov 20 Jan 1 (Transplant out) Sep 1
Horseradish Jan 15 Jan 1 (Transplant out) -
Ground Cherries Dec 4 Jan 29 (Transplant out) -
Radicchio Dec 11 Jan 1 (Transplant out) Sep 21
Endive Dec 11 Jan 1 (Transplant out) Sep 1
Watercress Dec 25 Jan 1 (Transplant out) Oct 1
Sorrel Dec 4 Dec 25 (Transplant out) Oct 1
Sunchokes Jan 15 Jan 1 (Transplant out) -
Malabar Spinach Dec 4 Jan 29 (Transplant out) -
Amaranth Greens Dec 25 Jan 29 (Transplant out) Oct 16
Luffa Gourd Dec 4 Jan 29 (Transplant out) -
New Zealand Spinach Dec 18 Jan 29 (Transplant out) -
Fava Beans Jan 15 Dec 18 (Transplant out) Sep 6
Chayote Dec 18 Jan 29 (Transplant out) -
Corn Salad Jan 15 Dec 18 (Transplant out) Oct 1
Bitter Melon Dec 18 Jan 29 (Transplant out) -
Cardoon Dec 4 Jan 15 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Dec 4 Jan 22 (Transplant out) -
Cilantro - Jan 1 (Direct sow) Oct 11
Parsley Nov 20 Jan 29 (Transplant out) Sep 16
Dill - Jan 22 (Direct sow) Oct 1
Lemon Balm Dec 4 Jan 15 (Transplant out) -
Borage Jan 15 Jan 15 (Transplant out) Oct 6
Chervil Jan 15 Dec 25 (Transplant out) Oct 6
Lemongrass Nov 20 Jan 29 (Transplant out) -
Summer Savory Dec 4 Jan 15 (Transplant out) -
Marjoram Dec 4 Jan 22 (Transplant out) -
Lovage Dec 4 Jan 15 (Transplant out) Sep 1
Anise Hyssop Nov 20 Jan 15 (Transplant out) -
Shiso Dec 4 Jan 22 (Transplant out) -
Stevia Nov 20 Jan 29 (Transplant out) -
Chamomile Dec 4 Jan 1 (Transplant out) Sep 26
Tarragon Jan 15 Jan 15 (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 Fairfield, Ca, 7.1 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

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