Planting windows for Chinook
Computed from Chinook'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 19 – Apr 2 | May 21 – May 28 | — |
| 🫑 Peppers | Mar 5 – Mar 19 | May 28 – Jun 4 | — |
| 🥬 Lettuce | Apr 2 – Apr 16 | Apr 16 – Apr 30 | Apr 16 – May 14 |
| 🫛 Peas | — | — | Apr 2 – Apr 16 |
| 🥕 Carrots | — | — | Apr 23 – May 14 |
| 🥦 Broccoli | Mar 26 – Apr 9 | Apr 23 – May 7 | — |
| 🥬 Kale | Apr 2 – Apr 16 | Apr 16 – Apr 30 | Apr 16 – Apr 30 |
| 🥒 Cucumbers | Apr 16 – Apr 23 | May 21 – May 28 | May 21 – May 28 |
| 🥒 Zucchini | Apr 16 – Apr 23 | May 21 – May 28 | May 21 – May 28 |
| 🫘 Green Beans (Bush) | — | — | May 21 – May 28 |
| 🌽 Sweet Corn | — | — | May 21 – May 28 |
| 🌿 Basil | Apr 2 – Apr 16 | May 21 – May 28 | May 28 – Jun 4 |
| 🧄 Garlic | — | — | Fall: Aug 12 – Sep 9 |
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 Chinook's dates automatically after a lookup.
Reading the season in Chinook
At about 132 frost-free days, Chinook 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.