Harman US

Planting Calendar for ZIP 85750

Based on your local frost dates - last spring frost around Feb 20, first fall frost around Nov 27 - here is when to plant 79 common crops near ZIP 85750.

Last spring frost
Feb 20
First fall frost
Nov 27
Hardiness zone
9a

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Jan 9 Feb 27 (Transplant out) -
Peppers Dec 26 Mar 6 (Transplant out) -
Cucumbers Jan 30 Feb 27 (Transplant out) Sep 19
Zucchini Jan 30 Feb 27 (Transplant out) Sep 24
Summer Squash Jan 30 Feb 27 (Transplant out) Sep 22
Winter Squash Jan 30 Feb 27 (Transplant out) -
Pumpkins Jan 30 Feb 27 (Transplant out) -
Green Beans - Feb 20 (Direct sow) Sep 19
Sweet Corn - Feb 27 (Direct sow) -
Melons Jan 30 Mar 6 (Transplant out) -
Watermelon Jan 30 Mar 6 (Transplant out) -
Okra - Mar 6 (Direct sow) -
Eggplant Dec 26 Mar 6 (Transplant out) -
Lettuce Jan 23 Jan 23 (Transplant out) Sep 24
Spinach - Jan 9 (Direct sow) Sep 29
Kale Jan 9 Jan 30 (Transplant out) Sep 19
Peas - Jan 9 (Direct sow) Sep 14
Carrots - Jan 30 (Direct sow) Sep 4
Beets - Jan 23 (Direct sow) Sep 19
Radishes - Jan 23 (Direct sow) Oct 16
Broccoli Jan 9 Feb 6 (Transplant out) Sep 9
Cauliflower Jan 9 Feb 6 (Transplant out) Sep 4
Cabbage Jan 9 Jan 30 (Transplant out) Sep 4
Onions Dec 12 Jan 23 (Transplant out) -
Potatoes - Feb 6 (Direct sow) -
Swiss Chard Jan 23 Feb 6 (Transplant out) Sep 19
Sweet Potatoes - Mar 13 (Direct sow) -
Brussels Sprouts Jan 9 Feb 6 (Transplant out) Aug 5
Celery Dec 12 Feb 27 (Transplant out) -
Leeks Dec 12 Feb 6 (Transplant out) Jul 16
Turnips - Feb 6 (Direct sow) Sep 24
Rutabaga - Feb 20 (Direct sow) Aug 10
Parsnips - Feb 6 (Direct sow) Jul 16
Kohlrabi Jan 23 Feb 6 (Transplant out) Sep 19
Collard Greens Jan 9 Feb 6 (Transplant out) Sep 9
Mustard Greens - Feb 6 (Direct sow) Sep 29
Arugula - Feb 6 (Direct sow) Oct 4
Bok Choy Jan 23 Feb 6 (Transplant out) Sep 24
Green Onions - Feb 6 (Direct sow) Sep 14
Tomatillos Jan 9 Feb 27 (Transplant out) -
Fennel Jan 23 Feb 6 (Transplant out) Aug 25
Popcorn Feb 20 Mar 6 (Transplant out) -
Black-Eyed Peas Feb 20 Mar 6 (Transplant out) Aug 25
Lima Beans Feb 20 Mar 6 (Transplant out) -
Edamame Feb 20 Mar 6 (Transplant out) -
Peanuts Feb 20 Mar 6 (Transplant out) -
Globe Artichoke Dec 26 Feb 6 (Transplant out) Aug 15
Horseradish Feb 20 Feb 6 (Transplant out) -
Ground Cherries Jan 9 Mar 6 (Transplant out) -
Radicchio Jan 16 Feb 6 (Transplant out) Sep 4
Endive Jan 16 Feb 6 (Transplant out) Aug 15
Watercress Jan 30 Feb 6 (Transplant out) Sep 14
Sorrel Jan 9 Jan 30 (Transplant out) Sep 14
Sunchokes Feb 20 Feb 6 (Transplant out) -
Malabar Spinach Jan 9 Mar 6 (Transplant out) -
Amaranth Greens Jan 30 Mar 6 (Transplant out) Sep 29
Luffa Gourd Jan 9 Mar 6 (Transplant out) -
New Zealand Spinach Jan 23 Mar 6 (Transplant out) -
Fava Beans Feb 20 Jan 23 (Transplant out) Aug 20
Chayote Jan 23 Mar 6 (Transplant out) -
Corn Salad Feb 20 Jan 23 (Transplant out) Sep 14
Bitter Melon Jan 23 Mar 6 (Transplant out) -
Cardoon Jan 9 Feb 20 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Jan 9 Feb 27 (Transplant out) -
Cilantro - Feb 6 (Direct sow) Sep 24
Parsley Dec 26 Mar 6 (Transplant out) Aug 30
Dill - Feb 27 (Direct sow) Sep 14
Lemon Balm Jan 9 Feb 20 (Transplant out) -
Borage Feb 20 Feb 20 (Transplant out) Sep 19
Chervil Feb 20 Jan 30 (Transplant out) Sep 19
Lemongrass Dec 26 Mar 6 (Transplant out) -
Summer Savory Jan 9 Feb 20 (Transplant out) -
Marjoram Jan 9 Feb 27 (Transplant out) -
Lovage Jan 9 Feb 20 (Transplant out) Aug 15
Anise Hyssop Dec 26 Feb 20 (Transplant out) -
Shiso Jan 9 Feb 27 (Transplant out) -
Stevia Dec 26 Mar 6 (Transplant out) -
Chamomile Jan 9 Feb 6 (Transplant out) Sep 9
Tarragon Feb 20 Feb 20 (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 Tucson Camp Ave Exp, Az, 5.9 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 85750 Local weather →