Zone 6a Planting Calendar

Zone 6a is the colder half of Zone 6. See also: Zone 6 full calendar

Last updated: May 15, 2026
Zone 6a Climate Facts
Last Spring FrostApr 22
First Fall FrostOct 8
Growing Season169 days
Plants Available49 varieties

All Plants for Zone 6a

PlantTypeStart IndoorsTransplant / SowHarvest StartHarvest End
Arugula vegetable — Apr 15 May 20 Jun 29
Asparagus vegetable Mar 25 Apr 22 year 2-3 ongoing
Basil herb Apr 1 Apr 29 Jun 25 Aug 19
Beet vegetable — Apr 15 Jun 13 Aug 2
Blueberry fruit Mar 25 Apr 22 year 2-3 ongoing
Broccoli vegetable Feb 25 Apr 15 Jun 21 Aug 20
Brussels Sprouts vegetable Feb 25 Apr 15 Jul 11 Sep 9
Butternut Squash vegetable Apr 8 May 6 Aug 6 Sep 30
Cabbage vegetable Feb 25 Apr 15 Jun 21 Aug 30
Cantaloupe fruit Mar 18 May 6 Jul 27 Sep 10
Carrot vegetable — Apr 22 Jul 6 Aug 25
Cauliflower vegetable Feb 25 Apr 15 Jun 16 Aug 10
Celery vegetable Mar 4 Apr 22 Aug 2 Oct 6
Chives herb Mar 25 Apr 22 Jul 1 Aug 30
Cilantro herb — Apr 22 Jun 16 Aug 10
Corn (Sweet) vegetable — Apr 29 Jul 6 Sep 14
Cucumber vegetable Mar 20 May 1 Jun 20 Oct 5
Dill herb — Apr 29 Jun 18 Aug 7
Eggplant vegetable Mar 25 May 13 Jul 27 Sep 15
Garlic vegetable — Sep 3 Jun 14 Jul 14
Green Beans vegetable — Apr 29 Jun 25 Aug 9
Green Onion (Scallion) vegetable — Apr 15 Jun 14 Jul 29
Habanero Pepper vegetable Mar 25 May 13 Aug 28 Oct 12
Jalapeño Pepper vegetable Mar 18 May 6 Jul 27 Sep 10
Kale vegetable Feb 25 Apr 15 Jun 11 Aug 5
Lavender herb Mar 11 Apr 29 Aug 18 Oct 12
Lettuce vegetable Mar 18 Apr 15 May 21 Jul 20
Marigold flower Mar 18 May 6 Jun 27 Aug 16
Mint herb Apr 1 Apr 29 Jul 10 Sep 8
Okra vegetable — May 6 Jul 5 Aug 19
Onion vegetable Mar 18 Apr 15 Jul 24 Sep 22
Oregano herb Apr 1 Apr 29 Jul 28 Sep 6
Parsley herb Mar 4 Apr 22 Jul 22 Sep 10
Peas vegetable — Apr 15 Jun 19 Aug 3
Pepper (Bell) vegetable Feb 10 May 1 Jul 1 Oct 10
Potato vegetable Mar 25 Apr 22 Jul 18 Oct 6
Pumpkin vegetable Apr 8 May 6 Aug 11 Oct 10
Radish vegetable — Apr 15 May 12 Jun 24
Sage herb Apr 1 Apr 29 Jul 28 Sep 11
Spinach vegetable Mar 18 Apr 15 May 29 Jul 13
Strawberry fruit Mar 25 Apr 22 Aug 11 Oct 10
Sunflower flower — Apr 29 Jul 18 Sep 16
Sweet Potato vegetable Mar 18 May 6 Aug 21 Oct 12
Swiss Chard vegetable Mar 18 Apr 15 Jun 13 Jul 23
Thyme herb Apr 1 Apr 29 Jul 30 Sep 13
Tomato vegetable Feb 15 Apr 25 Jun 25 Oct 10
Turnip vegetable — Apr 15 May 20 Jul 19
Watermelon fruit Mar 25 May 13 Jul 30 Sep 18
Zucchini vegetable Apr 1 Apr 29 Jun 20 Aug 9
📚 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.