Harman US

Planting Calendar for ZIP 75240

Based on your local frost dates - last spring frost around Mar 7, first fall frost around Nov 21 - here is when to plant 79 common crops near ZIP 75240.

Last spring frost
Mar 7
First fall frost
Nov 21
Hardiness zone
8b

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Jan 24 Mar 14 (Transplant out) -
Peppers Jan 10 Mar 21 (Transplant out) -
Cucumbers Feb 14 Mar 14 (Transplant out) Sep 13
Zucchini Feb 14 Mar 14 (Transplant out) Sep 18
Summer Squash Feb 14 Mar 14 (Transplant out) Sep 16
Winter Squash Feb 14 Mar 14 (Transplant out) -
Pumpkins Feb 14 Mar 14 (Transplant out) -
Green Beans - Mar 7 (Direct sow) Sep 13
Sweet Corn - Mar 14 (Direct sow) -
Melons Feb 14 Mar 21 (Transplant out) -
Watermelon Feb 14 Mar 21 (Transplant out) -
Okra - Mar 21 (Direct sow) -
Eggplant Jan 10 Mar 21 (Transplant out) -
Lettuce Feb 7 Feb 7 (Transplant out) Sep 18
Spinach - Jan 24 (Direct sow) Sep 23
Kale Jan 24 Feb 14 (Transplant out) Sep 13
Peas - Jan 24 (Direct sow) Sep 8
Carrots - Feb 14 (Direct sow) Aug 29
Beets - Feb 7 (Direct sow) Sep 13
Radishes - Feb 7 (Direct sow) Oct 10
Broccoli Jan 24 Feb 21 (Transplant out) Sep 3
Cauliflower Jan 24 Feb 21 (Transplant out) Aug 29
Cabbage Jan 24 Feb 14 (Transplant out) Aug 29
Onions Dec 27 Feb 7 (Transplant out) -
Potatoes - Feb 21 (Direct sow) -
Swiss Chard Feb 7 Feb 21 (Transplant out) Sep 13
Sweet Potatoes - Mar 28 (Direct sow) -
Brussels Sprouts Jan 24 Feb 21 (Transplant out) Jul 30
Celery Dec 27 Mar 14 (Transplant out) -
Leeks Dec 27 Feb 21 (Transplant out) Jul 10
Turnips - Feb 21 (Direct sow) Sep 18
Rutabaga - Mar 7 (Direct sow) Aug 4
Parsnips - Feb 21 (Direct sow) Jul 10
Kohlrabi Feb 7 Feb 21 (Transplant out) Sep 13
Collard Greens Jan 24 Feb 21 (Transplant out) Sep 3
Mustard Greens - Feb 21 (Direct sow) Sep 23
Arugula - Feb 21 (Direct sow) Sep 28
Bok Choy Feb 7 Feb 21 (Transplant out) Sep 18
Green Onions - Feb 21 (Direct sow) Sep 8
Tomatillos Jan 24 Mar 14 (Transplant out) -
Fennel Feb 7 Feb 21 (Transplant out) Aug 19
Popcorn Mar 7 Mar 21 (Transplant out) -
Black-Eyed Peas Mar 7 Mar 21 (Transplant out) Aug 19
Lima Beans Mar 7 Mar 21 (Transplant out) -
Edamame Mar 7 Mar 21 (Transplant out) -
Peanuts Mar 7 Mar 21 (Transplant out) -
Globe Artichoke Jan 10 Feb 21 (Transplant out) Aug 9
Horseradish Mar 7 Feb 21 (Transplant out) -
Ground Cherries Jan 24 Mar 21 (Transplant out) -
Radicchio Jan 31 Feb 21 (Transplant out) Aug 29
Endive Jan 31 Feb 21 (Transplant out) Aug 9
Watercress Feb 14 Feb 21 (Transplant out) Sep 8
Sorrel Jan 24 Feb 14 (Transplant out) Sep 8
Sunchokes Mar 7 Feb 21 (Transplant out) -
Malabar Spinach Jan 24 Mar 21 (Transplant out) -
Amaranth Greens Feb 14 Mar 21 (Transplant out) Sep 23
Luffa Gourd Jan 24 Mar 21 (Transplant out) -
New Zealand Spinach Feb 7 Mar 21 (Transplant out) -
Fava Beans Mar 7 Feb 7 (Transplant out) Aug 14
Chayote Feb 7 Mar 21 (Transplant out) -
Corn Salad Mar 7 Feb 7 (Transplant out) Sep 8
Bitter Melon Feb 7 Mar 21 (Transplant out) -
Cardoon Jan 24 Mar 7 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Jan 24 Mar 14 (Transplant out) -
Cilantro - Feb 21 (Direct sow) Sep 18
Parsley Jan 10 Mar 21 (Transplant out) Aug 24
Dill - Mar 14 (Direct sow) Sep 8
Lemon Balm Jan 24 Mar 7 (Transplant out) -
Borage Mar 7 Mar 7 (Transplant out) Sep 13
Chervil Mar 7 Feb 14 (Transplant out) Sep 13
Lemongrass Jan 10 Mar 21 (Transplant out) -
Summer Savory Jan 24 Mar 7 (Transplant out) -
Marjoram Jan 24 Mar 14 (Transplant out) -
Lovage Jan 24 Mar 7 (Transplant out) Aug 9
Anise Hyssop Jan 10 Mar 7 (Transplant out) -
Shiso Jan 24 Mar 14 (Transplant out) -
Stevia Jan 10 Mar 21 (Transplant out) -
Chamomile Jan 24 Feb 21 (Transplant out) Sep 3
Tarragon Mar 7 Mar 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 Richardson, Tx, 5.4 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

Full frost dates for 75240 Local weather →