Planting windows for Casselton Agronomy Farm
Computed from Casselton Agronomy Farm'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 14 – Mar 28 | May 16 – May 23 | — |
| 🫑 Peppers | Feb 28 – Mar 14 | May 23 – May 30 | — |
| 🥬 Lettuce | Mar 28 – Apr 11 | Apr 11 – Apr 25 | Apr 11 – May 9 |
| 🫛 Peas | — | — | Mar 28 – Apr 11 |
| 🥕 Carrots | — | — | Apr 18 – May 9 |
| 🥦 Broccoli | Mar 21 – Apr 4 | Apr 18 – May 2 | — |
| 🥬 Kale | Mar 28 – Apr 11 | Apr 11 – Apr 25 | Apr 11 – Apr 25 |
| 🥒 Cucumbers | Apr 11 – Apr 18 | May 16 – May 23 | May 16 – May 23 |
| 🥒 Zucchini | Apr 11 – Apr 18 | May 16 – May 23 | May 16 – May 23 |
| 🫘 Green Beans (Bush) | — | — | May 16 – May 23 |
| 🌽 Sweet Corn | — | — | May 16 – May 23 |
| 🌿 Basil | Mar 28 – Apr 11 | May 16 – May 23 | May 23 – May 30 |
| 🧄 Garlic | — | — | Fall: Aug 20 – Sep 17 |
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 Casselton Agronomy Farm's dates automatically after a lookup.
Reading the season in Casselton Agronomy Farm
At about 145 frost-free days, Casselton Agronomy Farm 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.