Planting windows for Butternut 3SW
Computed from Butternut 3SW'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 27 – Apr 10 | May 29 – Jun 5 | — |
| 🫑 Peppers | Mar 13 – Mar 27 | Jun 5 – Jun 12 | — |
| 🥬 Lettuce | Apr 10 – Apr 24 | Apr 24 – May 8 | Apr 24 – May 22 |
| 🫛 Peas | — | — | Apr 10 – Apr 24 |
| 🥕 Carrots | — | — | May 1 – May 22 |
| 🥦 Broccoli | Apr 3 – Apr 17 | May 1 – May 15 | — |
| 🥬 Kale | Apr 10 – Apr 24 | Apr 24 – May 8 | Apr 24 – May 8 |
| 🥒 Cucumbers | Apr 24 – May 1 | May 29 – Jun 5 | May 29 – Jun 5 |
| 🥒 Zucchini | Apr 24 – May 1 | May 29 – Jun 5 | May 29 – Jun 5 |
| 🫘 Green Beans (Bush) | — | — | May 29 – Jun 5 |
| 🌽 Sweet Corn | — | — | May 29 – Jun 5 |
| 🌿 Basil | Apr 10 – Apr 24 | May 29 – Jun 5 | Jun 5 – Jun 12 |
| 🧄 Garlic | — | — | Fall: Aug 13 – Sep 10 |
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 Butternut 3SW's dates automatically after a lookup.
Reading the season in Butternut 3SW
At about 125 frost-free days, Butternut 3SW 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.