Planting windows for Harvey 4NE
Computed from Harvey 4NE'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 17 – Mar 31 | May 19 – May 26 | — |
| 🫑 Peppers | Mar 3 – Mar 17 | May 26 – Jun 2 | — |
| 🥬 Lettuce | Mar 31 – Apr 14 | Apr 14 – Apr 28 | Apr 14 – May 12 |
| 🫛 Peas | — | — | Mar 31 – Apr 14 |
| 🥕 Carrots | — | — | Apr 21 – May 12 |
| 🥦 Broccoli | Mar 24 – Apr 7 | Apr 21 – May 5 | — |
| 🥬 Kale | Mar 31 – Apr 14 | Apr 14 – Apr 28 | Apr 14 – Apr 28 |
| 🥒 Cucumbers | Apr 14 – Apr 21 | May 19 – May 26 | May 19 – May 26 |
| 🥒 Zucchini | Apr 14 – Apr 21 | May 19 – May 26 | May 19 – May 26 |
| 🫘 Green Beans (Bush) | — | — | May 19 – May 26 |
| 🌽 Sweet Corn | — | — | May 19 – May 26 |
| 🌿 Basil | Mar 31 – Apr 14 | May 19 – May 26 | May 26 – Jun 2 |
| 🧄 Garlic | — | — | Fall: Aug 15 – Sep 12 |
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 Harvey 4NE's dates automatically after a lookup.
Reading the season in Harvey 4NE
At about 137 frost-free days, Harvey 4NE 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.