Planting windows for Gull Lake Biological Stn
Computed from Gull Lake Biological Stn's own frost dates. Click any crop for the full zone-6 growing guide — varieties, spacing, fall plantings, and more.
| Crop | Start seeds indoors | Transplant | Direct sow |
|---|---|---|---|
| 🍅 Tomatoes | Mar 4 – Mar 18 | May 6 – May 13 | — |
| 🫑 Peppers | Feb 18 – Mar 4 | May 13 – May 20 | — |
| 🥬 Lettuce | Mar 18 – Apr 1 | Apr 1 – Apr 15 | Apr 1 – Apr 29 |
| 🫛 Peas | — | — | Mar 18 – Apr 1 |
| 🥕 Carrots | — | — | Apr 8 – Apr 29 |
| 🥦 Broccoli | Mar 11 – Mar 25 | Apr 8 – Apr 22 | — |
| 🥬 Kale | Mar 18 – Apr 1 | Apr 1 – Apr 15 | Apr 1 – Apr 15 |
| 🥒 Cucumbers | Apr 1 – Apr 8 | May 6 – May 13 | May 6 – May 13 |
| 🥒 Zucchini | Apr 1 – Apr 8 | May 6 – May 13 | May 6 – May 13 |
| 🫘 Green Beans (Bush) | — | — | May 6 – May 13 |
| 🌽 Sweet Corn | — | — | May 6 – May 13 |
| 🌿 Basil | Mar 18 – Apr 1 | May 6 – May 13 | May 13 – May 20 |
| 🧄 Garlic | — | — | Fall: Sep 8 – Oct 6 |
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 Gull Lake Biological Stn's dates automatically after a lookup.
Reading the season in Gull Lake Biological Stn
Roughly 174 frost-free days gives Gull Lake Biological Stn gardeners room for nearly every common vegetable. Warm-season crops go out after Apr 29; a fall garden sown in late summer matures comfortably before the Oct 20 frost.