Zone 11a Planting Calendar

Zone 11a is the colder half of Zone 11. See also: Zone 11 full calendar

Last updated: May 15, 2026
Zone 11a Climate Facts
Last Spring FrostJan 22
First Fall FrostDec 18
Growing Season330 days
Plants Available34 varieties

All Plants for Zone 11a

PlantTypeStart IndoorsTransplant / SowHarvest StartHarvest End
Arugula vegetable — Jan 15 Feb 19 Mar 31
Basil herb Jan 1 Jan 29 Mar 27 May 21
Beet vegetable — Jan 15 Mar 15 May 4
Broccoli vegetable Dec 17 Jan 15 Mar 23 May 22
Cabbage vegetable Dec 17 Jan 15 Mar 23 Jun 1
Cantaloupe fruit Dec 18 Feb 5 Apr 28 Jun 12
Carrot vegetable — Jan 22 Apr 7 May 27
Cauliflower vegetable Dec 17 Jan 15 Mar 18 May 12
Cilantro herb — Jan 22 Mar 18 May 12
Corn (Sweet) vegetable — Jan 29 Apr 7 Jun 16
Cucumber vegetable — Feb 1 Apr 1 Dec 15
Dill herb — Jan 29 Mar 20 May 9
Eggplant vegetable Dec 25 Feb 12 Apr 28 Jun 17
Green Beans vegetable — Jan 29 Mar 27 May 11
Green Onion (Scallion) vegetable — Jan 15 Mar 16 Apr 30
Habanero Pepper vegetable Dec 25 Feb 12 May 30 Jul 29
Jalapeño Pepper vegetable Dec 18 Feb 5 Apr 28 Jun 12
Kale vegetable Dec 17 Jan 15 Mar 13 May 7
Lettuce vegetable Jan 1 Jan 15 Feb 20 Apr 21
Marigold flower Dec 18 Feb 5 Mar 29 May 18
Mint herb Jan 1 Jan 29 Apr 11 Jun 10
Okra vegetable — Feb 5 Apr 6 May 21
Onion vegetable Jan 1 Jan 15 Apr 25 Jun 24
Parsley herb Dec 17 Jan 22 Apr 23 Jun 12
Pepper (Bell) vegetable — Jan 20 Apr 15 Dec 15
Radish vegetable — Jan 15 Feb 11 Mar 26
Rosemary herb Dec 17 Jan 29 May 10 Jul 19
Spinach vegetable Jan 1 Jan 15 Feb 28 Apr 14
Sunflower flower — Jan 29 Apr 19 Jun 18
Sweet Potato vegetable Dec 18 Feb 5 May 23 Jul 22
Swiss Chard vegetable Jan 1 Jan 15 Mar 15 Apr 24
Tomato vegetable — Jan 15 Apr 1 Dec 15
Watermelon fruit Dec 25 Feb 12 May 1 Jun 20
Zucchini vegetable Jan 1 Jan 29 Mar 22 May 11
📚 Data Sources
Frost dates: NOAA Climate Normals 1991–2020, National Centers for Environmental Information.
Hardiness zones: USDA Plant Hardiness Zone Map, Agricultural Research Service.
Growing requirements: Cooperative Extension Services — NC State, Penn State, University of Florida IFAS.
Companion planting: Cornell University Cooperative Extension.
Data compiled from public agricultural sources. Always verify with your local extension office for micro-climate adjustments.