Planting windows for Upham 3 N
Computed from Upham 3 N'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 20 – Apr 3 | May 22 – May 29 | — |
| 🫑 Peppers | Mar 6 – Mar 20 | May 29 – Jun 5 | — |
| 🥬 Lettuce | Apr 3 – Apr 17 | Apr 17 – May 1 | Apr 17 – May 15 |
| 🫛 Peas | — | — | Apr 3 – Apr 17 |
| 🥕 Carrots | — | — | Apr 24 – May 15 |
| 🥦 Broccoli | Mar 27 – Apr 10 | Apr 24 – May 8 | — |
| 🥬 Kale | Apr 3 – Apr 17 | Apr 17 – May 1 | Apr 17 – May 1 |
| 🥒 Cucumbers | Apr 17 – Apr 24 | May 22 – May 29 | May 22 – May 29 |
| 🥒 Zucchini | Apr 17 – Apr 24 | May 22 – May 29 | May 22 – May 29 |
| 🫘 Green Beans (Bush) | — | — | May 22 – May 29 |
| 🌽 Sweet Corn | — | — | May 22 – May 29 |
| 🌿 Basil | Apr 3 – Apr 17 | May 22 – May 29 | May 29 – Jun 5 |
| 🧄 Garlic | — | — | Fall: Aug 14 – Sep 11 |
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 Upham 3 N's dates automatically after a lookup.
Reading the season in Upham 3 N
At about 133 frost-free days, Upham 3 N 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.