Harman US

Planting Calendar for ZIP 78561

Based on your local frost dates - last spring frost around Jan 21, first fall frost around Dec 26 - here is when to plant 79 common crops near ZIP 78561.

Last spring frost
Jan 21
First fall frost
Dec 26
Hardiness zone
10a

Vegetables

Crop Start seeds indoors Plant outside Fall planting by
Tomatoes Dec 10 Jan 28 (Transplant out) -
Peppers Nov 26 Feb 4 (Transplant out) -
Cucumbers Dec 31 Jan 28 (Transplant out) Oct 18
Zucchini Dec 31 Jan 28 (Transplant out) Oct 23
Summer Squash Dec 31 Jan 28 (Transplant out) Oct 21
Winter Squash Dec 31 Jan 28 (Transplant out) -
Pumpkins Dec 31 Jan 28 (Transplant out) -
Green Beans - Jan 21 (Direct sow) Oct 18
Sweet Corn - Jan 28 (Direct sow) -
Melons Dec 31 Feb 4 (Transplant out) -
Watermelon Dec 31 Feb 4 (Transplant out) -
Okra - Feb 4 (Direct sow) -
Eggplant Nov 26 Feb 4 (Transplant out) -
Lettuce Dec 24 Dec 24 (Transplant out) Oct 23
Spinach - Dec 10 (Direct sow) Oct 28
Kale Dec 10 Dec 31 (Transplant out) Oct 18
Peas - Dec 10 (Direct sow) Oct 13
Carrots - Dec 31 (Direct sow) Oct 3
Beets - Dec 24 (Direct sow) Oct 18
Radishes - Dec 24 (Direct sow) Nov 14
Broccoli Dec 10 Jan 7 (Transplant out) Oct 8
Cauliflower Dec 10 Jan 7 (Transplant out) Oct 3
Cabbage Dec 10 Dec 31 (Transplant out) Oct 3
Onions Nov 12 Dec 24 (Transplant out) -
Potatoes - Jan 7 (Direct sow) -
Swiss Chard Dec 24 Jan 7 (Transplant out) Oct 18
Sweet Potatoes - Feb 11 (Direct sow) -
Brussels Sprouts Dec 10 Jan 7 (Transplant out) Sep 3
Celery Nov 12 Jan 28 (Transplant out) -
Leeks Nov 12 Jan 7 (Transplant out) Aug 14
Turnips - Jan 7 (Direct sow) Oct 23
Rutabaga - Jan 21 (Direct sow) Sep 8
Parsnips - Jan 7 (Direct sow) Aug 14
Kohlrabi Dec 24 Jan 7 (Transplant out) Oct 18
Collard Greens Dec 10 Jan 7 (Transplant out) Oct 8
Mustard Greens - Jan 7 (Direct sow) Oct 28
Arugula - Jan 7 (Direct sow) Nov 2
Bok Choy Dec 24 Jan 7 (Transplant out) Oct 23
Green Onions - Jan 7 (Direct sow) Oct 13
Tomatillos Dec 10 Jan 28 (Transplant out) -
Fennel Dec 24 Jan 7 (Transplant out) Sep 23
Popcorn Jan 21 Feb 4 (Transplant out) -
Black-Eyed Peas Jan 21 Feb 4 (Transplant out) Sep 23
Lima Beans Jan 21 Feb 4 (Transplant out) -
Edamame Jan 21 Feb 4 (Transplant out) -
Peanuts Jan 21 Feb 4 (Transplant out) -
Globe Artichoke Nov 26 Jan 7 (Transplant out) Sep 13
Horseradish Jan 21 Jan 7 (Transplant out) -
Ground Cherries Dec 10 Feb 4 (Transplant out) -
Radicchio Dec 17 Jan 7 (Transplant out) Oct 3
Endive Dec 17 Jan 7 (Transplant out) Sep 13
Watercress Dec 31 Jan 7 (Transplant out) Oct 13
Sorrel Dec 10 Dec 31 (Transplant out) Oct 13
Sunchokes Jan 21 Jan 7 (Transplant out) -
Malabar Spinach Dec 10 Feb 4 (Transplant out) -
Amaranth Greens Dec 31 Feb 4 (Transplant out) Oct 28
Luffa Gourd Dec 10 Feb 4 (Transplant out) -
New Zealand Spinach Dec 24 Feb 4 (Transplant out) -
Fava Beans Jan 21 Dec 24 (Transplant out) Sep 18
Chayote Dec 24 Feb 4 (Transplant out) -
Corn Salad Jan 21 Dec 24 (Transplant out) Oct 13
Bitter Melon Dec 24 Feb 4 (Transplant out) -
Cardoon Dec 10 Jan 21 (Transplant out) -

Herbs

Crop Start seeds indoors Plant outside Fall planting by
Basil Dec 10 Jan 28 (Transplant out) -
Cilantro - Jan 7 (Direct sow) Oct 23
Parsley Nov 26 Feb 4 (Transplant out) Sep 28
Dill - Jan 28 (Direct sow) Oct 13
Lemon Balm Dec 10 Jan 21 (Transplant out) -
Borage Jan 21 Jan 21 (Transplant out) Oct 18
Chervil Jan 21 Dec 31 (Transplant out) Oct 18
Lemongrass Nov 26 Feb 4 (Transplant out) -
Summer Savory Dec 10 Jan 21 (Transplant out) -
Marjoram Dec 10 Jan 28 (Transplant out) -
Lovage Dec 10 Jan 21 (Transplant out) Sep 13
Anise Hyssop Nov 26 Jan 21 (Transplant out) -
Shiso Dec 10 Jan 28 (Transplant out) -
Stevia Nov 26 Feb 4 (Transplant out) -
Chamomile Dec 10 Jan 7 (Transplant out) Oct 8
Tarragon Jan 21 Jan 21 (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 Raymondville, Tx, 8.1 miles away. Averages for planning, not a forecast. Page updated Aug 4, 2026.

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