Planting windows for Bismarck
Computed from Bismarck's own frost dates. Click any crop for the full zone-4 growing guide — varieties, spacing, fall plantings, and more.
| Crop | Start seeds indoors | Transplant | Direct sow |
|---|---|---|---|
| 🍅 Tomatoes | Mar 15 – Mar 29 | May 17 – May 24 | — |
| 🫑 Peppers | Mar 1 – Mar 15 | May 24 – May 31 | — |
| 🥬 Lettuce | Mar 29 – Apr 12 | Apr 12 – Apr 26 | Apr 12 – May 10 |
| 🫛 Peas | — | — | Mar 29 – Apr 12 |
| 🥕 Carrots | — | — | Apr 19 – May 10 |
| 🥦 Broccoli | Mar 22 – Apr 5 | Apr 19 – May 3 | — |
| 🥬 Kale | Mar 29 – Apr 12 | Apr 12 – Apr 26 | Apr 12 – Apr 26 |
| 🥒 Cucumbers | Apr 12 – Apr 19 | May 17 – May 24 | May 17 – May 24 |
| 🥒 Zucchini | Apr 12 – Apr 19 | May 17 – May 24 | May 17 – May 24 |
| 🫘 Green Beans (Bush) | — | — | May 17 – May 24 |
| 🌽 Sweet Corn | — | — | May 17 – May 24 |
| 🌿 Basil | Mar 29 – Apr 12 | May 17 – May 24 | May 24 – May 31 |
| 🧄 Garlic | — | — | Fall: Aug 19 – Sep 16 |
Want this for all 50 crops, or as a printable seed-shelf schedule? Use the planting calendar and the seed starting scheduler — both can use Bismarck's dates automatically after a lookup.
Reading the season in Bismarck
At about 143 frost-free days, Bismarck rewards efficiency: start warm-season crops indoors, favor short-season varieties, and lean on cold-tolerant crops — peas, kale, roots — that shrug off the shoulder-season frosts on either end.