USDA zone 3b planting guide
A typical location in zone 3b sees its last spring frost around May 17 and its first fall frost around September 23. Pick a crop for its zone 3b planting dates, or get dates for your exact ZIP.
The zone 3b planting year
When to start, transplant, sow, and harvest each crop in a typical zone 3blocation. Tap a crop for its full guide.
Start indoorsTransplantDirect sowFall plantingHarvest
Tap a crop for exact dates
Crop
JanFebMarAprMayJunJulAugSepOctNovDecNow
Swipe the calendar sideways · tap a crop for exact dates
Junethis month
| Crop | Activity | When |
|---|---|---|
| Tomato | Start indoors | April 5 – April 12 |
| Tomato | Transplant | May 17 – May 31 |
| Pepper | Start indoors | March 22 |
| Pepper | Transplant | May 17 – May 31 |
| Eggplant | Start indoors | March 22 |
| Eggplant | Transplant | May 17 – May 31 |
| Potato | Direct sow | April 26 – May 3 |
| Cucumber | Start indoors | April 19 |
| Cucumber | Transplant | May 17 – May 31 |
| Cucumber | Direct sow | May 17 – May 31 |
| Zucchini | Direct sow | May 17 – May 31 |
| Zucchini | Harvest | July 11 – July 25 (About 55 to 55 days from sowing.) |
| Winter Squash | Direct sow | May 17 – May 31 |
| Pumpkin | Direct sow | May 17 – May 31 |
| Pumpkin | Harvest | July 26 – September 28 (About 70 to 120 days from sowing.) |
| Watermelon | Transplant | May 17 – May 31 |
| Watermelon | Direct sow | May 17 – May 31 |
| Watermelon | Harvest | August 10 – August 29 (About 85 to 90 days from transplanting.) |
| Cantaloupe | Transplant | May 17 – May 31 |
| Cantaloupe | Direct sow | May 17 – May 31 |
| Sweet Corn | Direct sow | May 17 – May 31 |
| Sweet Corn | Harvest | July 16 – August 29 (About 60 to 90 days from sowing.) |
| Broccoli | Start indoors | March 8 – March 22 |
| Broccoli | Transplant | April 26 – May 3 |
| Broccoli | Direct sow | April 26 – May 3 |
| Cauliflower | Start indoors | March 15 – March 29 |
| Cauliflower | Transplant | May 3 – May 10 |
| Cauliflower | Direct sow | May 3 – May 10 |
| Cauliflower | Fall planting | July 15 – August 19 |
| Cabbage | Start indoors | March 8 – March 22 |
| Cabbage | Transplant | April 26 – May 3 |
| Cabbage | Direct sow | April 26 – May 3 |
| Cabbage | Fall planting | July 15 – August 19 |
| Brussels Sprouts | Fall planting | May 27 |
| Kale | Start indoors | March 1 – March 15 |
| Kale | Transplant | April 12 – April 19 |
| Kale | Direct sow | April 12 – April 19 |
| Kale | Fall planting | July 22 – August 26 |
| Collards | Start indoors | March 22 |
| Collards | Transplant | May 3 |
| Collards | Direct sow | April 26 |
| Collards | Harvest | June 25 – July 15 (About 60 to 80 days from sowing.) |
| Collards | Fall planting | June 24 |
| Lettuce | Start indoors | April 5 – April 12 |
| Lettuce | Transplant | May 17 |
| Lettuce | Direct sow | April 26 – May 3 |
| Lettuce | Fall planting | June 24 – July 29 |
| Spinach | Start indoors | April 5 – April 12 |
| Spinach | Transplant | May 17 |
| Spinach | Direct sow | April 19 – April 26 |
| Spinach | Fall planting | July 15 – August 19 |
| Swiss Chard | Start indoors | April 5 – April 12 |
| Swiss Chard | Transplant | May 17 |
| Swiss Chard | Direct sow | April 19 – April 26 |
| Swiss Chard | Fall planting | August 26 – September 2 |
| Carrot | Direct sow | April 26 – May 3 |
| Carrot | Harvest | July 5 – August 11 (About 70 to 100 days from sowing.) |
| Radish | Direct sow | April 26 – May 3 |
| Radish | Harvest | May 21 – June 17 (About 25 to 45 days from sowing.) |
| Beet | Direct sow | April 26 – May 3 |
| Beet | Harvest | June 25 – July 22 (About 60 to 80 days from sowing.) |
| Parsnip | Direct sow | April 26 – May 3 |
| Parsnip | Harvest | August 4 – August 31 (About 100 to 120 days from sowing.) |
| Garlic | Fall planting | September 30 – October 7 |
| Green Bean (Snap Bean) | Direct sow | May 10 |
| Green Bean (Snap Bean) | Harvest | June 29 – July 9 (About 50 to 60 days from sowing.) |
| Basil | Start indoors | March 22 – April 5 |
| Basil | Direct sow | May 17 |
| Parsley | Start indoors | March 22 – April 5 |
| Parsley | Direct sow | May 17 |
| Dill | Direct sow | May 17 |
| Rhubarb | Start indoors | April 5 |
| Sunflower | Direct sow | May 17 – May 31 |
| Marigold | Start indoors | April 5 – April 19 |
| Marigold | Transplant | May 17 – May 31 |
| Marigold | Direct sow | May 17 – May 31 |
| Petunia | Start indoors | March 8 – March 22 |
| Petunia | Transplant | May 17 – May 31 |
| Dahlia | Transplant | May 17 – May 31 |
| English Lavender | Transplant | May 17 – May 31 |
USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service / Oregon State University PRISM Group. NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020. Zone dates are medians across the zone; your town varies.