Harman US

Planting Calendar for ZIP 85027

Based on your local frost dates - last spring frost around Jan 8, first fall frost around Dec 25 - here is when to plant 79 common crops near ZIP 85027.

Last spring frost
Jan 8
First fall frost
Dec 25
Hardiness zone
10a

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Nov 27 Jan 15 (Transplant out) -
Peppers Nov 13 Jan 22 (Transplant out) -
Cucumbers Dec 18 Jan 15 (Transplant out) Oct 17
Zucchini Dec 18 Jan 15 (Transplant out) Oct 22
Summer Squash Dec 18 Jan 15 (Transplant out) Oct 20
Winter Squash Dec 18 Jan 15 (Transplant out) -
Pumpkins Dec 18 Jan 15 (Transplant out) -
Green Beans - Jan 8 (Direct sow) Oct 17
Sweet Corn - Jan 15 (Direct sow) -
Melons Dec 18 Jan 22 (Transplant out) -
Watermelon Dec 18 Jan 22 (Transplant out) -
Okra - Jan 22 (Direct sow) -
Eggplant Nov 13 Jan 22 (Transplant out) -
Lettuce Dec 11 Dec 11 (Transplant out) Oct 22
Spinach - Nov 27 (Direct sow) Oct 27
Kale Nov 27 Dec 18 (Transplant out) Oct 17
Peas - Nov 27 (Direct sow) Oct 12
Carrots - Dec 18 (Direct sow) Oct 2
Beets - Dec 11 (Direct sow) Oct 17
Radishes - Dec 11 (Direct sow) Nov 13
Broccoli Nov 27 Dec 25 (Transplant out) Oct 7
Cauliflower Nov 27 Dec 25 (Transplant out) Oct 2
Cabbage Nov 27 Dec 18 (Transplant out) Oct 2
Onions Oct 30 Dec 11 (Transplant out) -
Potatoes - Dec 25 (Direct sow) -
Swiss Chard Dec 11 Dec 25 (Transplant out) Oct 17
Sweet Potatoes - Jan 29 (Direct sow) -
Brussels Sprouts Nov 27 Dec 25 (Transplant out) Sep 2
Celery Oct 30 Jan 15 (Transplant out) -
Leeks Oct 30 Dec 25 (Transplant out) Aug 13
Turnips - Dec 25 (Direct sow) Oct 22
Rutabaga - Jan 8 (Direct sow) Sep 7
Parsnips - Dec 25 (Direct sow) Aug 13
Kohlrabi Dec 11 Dec 25 (Transplant out) Oct 17
Collard Greens Nov 27 Dec 25 (Transplant out) Oct 7
Mustard Greens - Dec 25 (Direct sow) Oct 27
Arugula - Dec 25 (Direct sow) Nov 1
Bok Choy Dec 11 Dec 25 (Transplant out) Oct 22
Green Onions - Dec 25 (Direct sow) Oct 12
Tomatillos Nov 27 Jan 15 (Transplant out) -
Fennel Dec 11 Dec 25 (Transplant out) Sep 22
Popcorn Jan 8 Jan 22 (Transplant out) -
Black-Eyed Peas Jan 8 Jan 22 (Transplant out) Sep 22
Lima Beans Jan 8 Jan 22 (Transplant out) -
Edamame Jan 8 Jan 22 (Transplant out) -
Peanuts Jan 8 Jan 22 (Transplant out) -
Globe Artichoke Nov 13 Dec 25 (Transplant out) Sep 12
Horseradish Jan 8 Dec 25 (Transplant out) -
Ground Cherries Nov 27 Jan 22 (Transplant out) -
Radicchio Dec 4 Dec 25 (Transplant out) Oct 2
Endive Dec 4 Dec 25 (Transplant out) Sep 12
Watercress Dec 18 Dec 25 (Transplant out) Oct 12
Sorrel Nov 27 Dec 18 (Transplant out) Oct 12
Sunchokes Jan 8 Dec 25 (Transplant out) -
Malabar Spinach Nov 27 Jan 22 (Transplant out) -
Amaranth Greens Dec 18 Jan 22 (Transplant out) Oct 27
Luffa Gourd Nov 27 Jan 22 (Transplant out) -
New Zealand Spinach Dec 11 Jan 22 (Transplant out) -
Fava Beans Jan 8 Dec 11 (Transplant out) Sep 17
Chayote Dec 11 Jan 22 (Transplant out) -
Corn Salad Jan 8 Dec 11 (Transplant out) Oct 12
Bitter Melon Dec 11 Jan 22 (Transplant out) -
Cardoon Nov 27 Jan 8 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Nov 27 Jan 15 (Transplant out) -
Cilantro - Dec 25 (Direct sow) Oct 22
Parsley Nov 13 Jan 22 (Transplant out) Sep 27
Dill - Jan 15 (Direct sow) Oct 12
Lemon Balm Nov 27 Jan 8 (Transplant out) -
Borage Jan 8 Jan 8 (Transplant out) Oct 17
Chervil Jan 8 Dec 18 (Transplant out) Oct 17
Lemongrass Nov 13 Jan 22 (Transplant out) -
Summer Savory Nov 27 Jan 8 (Transplant out) -
Marjoram Nov 27 Jan 15 (Transplant out) -
Lovage Nov 27 Jan 8 (Transplant out) Sep 12
Anise Hyssop Nov 13 Jan 8 (Transplant out) -
Shiso Nov 27 Jan 15 (Transplant out) -
Stevia Nov 13 Jan 22 (Transplant out) -
Chamomile Nov 27 Dec 25 (Transplant out) Oct 7
Tarragon Jan 8 Jan 8 (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 Phoenix Deer Valley Muni Ap, Az, 1.4 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 85027 Local weather →