Zone 9b Planting Calendar

Zone 9b is the warmer half of Zone 9. See also: Zone 9 full calendar

Last updated: May 15, 2026
Zone 9b Climate Facts
Last Spring FrostFeb 21
First Fall FrostDec 2
Growing Season284 days
Plants Available50 varieties

All Plants for Zone 9b

PlantTypeStart IndoorsTransplant / SowHarvest StartHarvest End
Arugula vegetable — Feb 28 Apr 4 May 14
Asparagus vegetable Feb 7 Mar 7 year 2-3 ongoing
Basil herb Feb 14 Mar 14 May 10 Jul 4
Beet vegetable — Feb 28 Apr 28 Jun 17
Blueberry fruit Feb 7 Mar 7 year 2-3 ongoing
Broccoli vegetable Jan 10 Feb 28 May 6 Jul 5
Brussels Sprouts vegetable Jan 10 Feb 28 May 26 Jul 25
Butternut Squash vegetable Feb 21 Mar 21 Jun 21 Aug 15
Cabbage vegetable Jan 10 Feb 28 May 6 Jul 15
Cantaloupe fruit Jan 31 Mar 21 Jun 11 Jul 26
Carrot vegetable — Mar 7 May 21 Jul 10
Cauliflower vegetable Jan 10 Feb 28 May 1 Jun 25
Celery vegetable Jan 17 Mar 7 Jun 17 Aug 21
Chives herb Feb 7 Mar 7 May 16 Jul 15
Cilantro herb — Mar 7 May 1 Jun 25
Corn (Sweet) vegetable — Mar 14 May 21 Jul 30
Cucumber vegetable Feb 1 Mar 15 May 10 Nov 10
Dill herb — Mar 14 May 3 Jun 22
Eggplant vegetable Feb 7 Mar 28 Jun 11 Jul 31
Garlic vegetable — Oct 14 Apr 29 May 29
Green Beans vegetable — Mar 14 May 10 Jun 24
Green Onion (Scallion) vegetable — Feb 28 Apr 29 Jun 13
Habanero Pepper vegetable Feb 7 Mar 28 Jul 13 Sep 11
Jalapeño Pepper vegetable Jan 31 Mar 21 Jun 11 Jul 26
Kale vegetable Jan 10 Feb 28 Apr 26 Jun 20
Lavender herb Jan 24 Mar 14 Jul 3 Nov 20
Lettuce vegetable Jan 31 Feb 28 Apr 5 Jun 4
Marigold flower Jan 31 Mar 21 May 12 Jul 1
Mint herb Feb 14 Mar 14 May 25 Jul 24
Okra vegetable — Mar 21 May 20 Jul 4
Onion vegetable Jan 31 Feb 28 Jun 8 Aug 7
Oregano herb Feb 14 Mar 14 Jun 12 Jul 22
Parsley herb Jan 17 Mar 7 Jun 6 Jul 26
Peas vegetable — Feb 28 May 4 Jun 18
Pepper (Bell) vegetable Jan 1 Mar 15 May 20 Nov 15
Potato vegetable Feb 7 Mar 7 Jun 2 Aug 21
Pumpkin vegetable Feb 21 Mar 21 Jun 26 Aug 25
Radish vegetable — Feb 28 Mar 27 May 9
Rosemary herb Jan 24 Mar 14 Jun 23 Sep 1
Sage herb Feb 14 Mar 14 Jun 12 Jul 27
Spinach vegetable Jan 31 Feb 28 Apr 13 May 28
Strawberry fruit Feb 7 Mar 7 Jun 26 Aug 25
Sunflower flower — Mar 14 Jun 2 Aug 1
Sweet Potato vegetable Jan 31 Mar 21 Jul 6 Sep 4
Swiss Chard vegetable Jan 31 Feb 28 Apr 28 Jun 7
Thyme herb Feb 14 Mar 14 Jun 14 Jul 29
Tomato vegetable Jan 10 Mar 10 May 15 Nov 20
Turnip vegetable — Feb 28 Apr 4 Jun 3
Watermelon fruit Feb 7 Mar 28 Jun 14 Aug 3
Zucchini vegetable Feb 14 Mar 14 May 5 Jun 24
📚 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.