Harman US

Planting Calendar for ZIP 94502

Based on your local frost dates - last spring frost around Jan 7, first fall frost around Dec 23 - here is when to plant 79 common crops near ZIP 94502.

Last spring frost
Jan 7
First fall frost
Dec 23
Hardiness zone
10a

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Nov 26 Jan 14 (Transplant out) -
Peppers Nov 12 Jan 21 (Transplant out) -
Cucumbers Dec 17 Jan 14 (Transplant out) Oct 15
Zucchini Dec 17 Jan 14 (Transplant out) Oct 20
Summer Squash Dec 17 Jan 14 (Transplant out) Oct 18
Winter Squash Dec 17 Jan 14 (Transplant out) -
Pumpkins Dec 17 Jan 14 (Transplant out) -
Green Beans - Jan 7 (Direct sow) Oct 15
Sweet Corn - Jan 14 (Direct sow) -
Melons Dec 17 Jan 21 (Transplant out) -
Watermelon Dec 17 Jan 21 (Transplant out) -
Okra - Jan 21 (Direct sow) -
Eggplant Nov 12 Jan 21 (Transplant out) -
Lettuce Dec 10 Dec 10 (Transplant out) Oct 20
Spinach - Nov 26 (Direct sow) Oct 25
Kale Nov 26 Dec 17 (Transplant out) Oct 15
Peas - Nov 26 (Direct sow) Oct 10
Carrots - Dec 17 (Direct sow) Sep 30
Beets - Dec 10 (Direct sow) Oct 15
Radishes - Dec 10 (Direct sow) Nov 11
Broccoli Nov 26 Dec 24 (Transplant out) Oct 5
Cauliflower Nov 26 Dec 24 (Transplant out) Sep 30
Cabbage Nov 26 Dec 17 (Transplant out) Sep 30
Onions Oct 29 Dec 10 (Transplant out) -
Potatoes - Dec 24 (Direct sow) -
Swiss Chard Dec 10 Dec 24 (Transplant out) Oct 15
Sweet Potatoes - Jan 28 (Direct sow) -
Brussels Sprouts Nov 26 Dec 24 (Transplant out) Aug 31
Celery Oct 29 Jan 14 (Transplant out) -
Leeks Oct 29 Dec 24 (Transplant out) Aug 11
Turnips - Dec 24 (Direct sow) Oct 20
Rutabaga - Jan 7 (Direct sow) Sep 5
Parsnips - Dec 24 (Direct sow) Aug 11
Kohlrabi Dec 10 Dec 24 (Transplant out) Oct 15
Collard Greens Nov 26 Dec 24 (Transplant out) Oct 5
Mustard Greens - Dec 24 (Direct sow) Oct 25
Arugula - Dec 24 (Direct sow) Oct 30
Bok Choy Dec 10 Dec 24 (Transplant out) Oct 20
Green Onions - Dec 24 (Direct sow) Oct 10
Tomatillos Nov 26 Jan 14 (Transplant out) -
Fennel Dec 10 Dec 24 (Transplant out) Sep 20
Popcorn Jan 7 Jan 21 (Transplant out) -
Black-Eyed Peas Jan 7 Jan 21 (Transplant out) Sep 20
Lima Beans Jan 7 Jan 21 (Transplant out) -
Edamame Jan 7 Jan 21 (Transplant out) -
Peanuts Jan 7 Jan 21 (Transplant out) -
Globe Artichoke Nov 12 Dec 24 (Transplant out) Sep 10
Horseradish Jan 7 Dec 24 (Transplant out) -
Ground Cherries Nov 26 Jan 21 (Transplant out) -
Radicchio Dec 3 Dec 24 (Transplant out) Sep 30
Endive Dec 3 Dec 24 (Transplant out) Sep 10
Watercress Dec 17 Dec 24 (Transplant out) Oct 10
Sorrel Nov 26 Dec 17 (Transplant out) Oct 10
Sunchokes Jan 7 Dec 24 (Transplant out) -
Malabar Spinach Nov 26 Jan 21 (Transplant out) -
Amaranth Greens Dec 17 Jan 21 (Transplant out) Oct 25
Luffa Gourd Nov 26 Jan 21 (Transplant out) -
New Zealand Spinach Dec 10 Jan 21 (Transplant out) -
Fava Beans Jan 7 Dec 10 (Transplant out) Sep 15
Chayote Dec 10 Jan 21 (Transplant out) -
Corn Salad Jan 7 Dec 10 (Transplant out) Oct 10
Bitter Melon Dec 10 Jan 21 (Transplant out) -
Cardoon Nov 26 Jan 7 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Nov 26 Jan 14 (Transplant out) -
Cilantro - Dec 24 (Direct sow) Oct 20
Parsley Nov 12 Jan 21 (Transplant out) Sep 25
Dill - Jan 14 (Direct sow) Oct 10
Lemon Balm Nov 26 Jan 7 (Transplant out) -
Borage Jan 7 Jan 7 (Transplant out) Oct 15
Chervil Jan 7 Dec 17 (Transplant out) Oct 15
Lemongrass Nov 12 Jan 21 (Transplant out) -
Summer Savory Nov 26 Jan 7 (Transplant out) -
Marjoram Nov 26 Jan 14 (Transplant out) -
Lovage Nov 26 Jan 7 (Transplant out) Sep 10
Anise Hyssop Nov 12 Jan 7 (Transplant out) -
Shiso Nov 26 Jan 14 (Transplant out) -
Stevia Nov 12 Jan 21 (Transplant out) -
Chamomile Nov 26 Dec 24 (Transplant out) Oct 5
Tarragon Jan 7 Jan 7 (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 Oakland Metro Intl Ap, Ca, 1.6 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 94502 Local weather →