Planting windows for Heppner
Computed from Heppner's own frost dates. Click any crop for the full zone-7 growing guide — varieties, spacing, fall plantings, and more.
| Crop | Start seeds indoors | Transplant | Direct sow |
|---|---|---|---|
| 🍅 Tomatoes | Mar 1 – Mar 15 | May 3 – May 10 | — |
| 🫑 Peppers | Feb 15 – Mar 1 | May 10 – May 17 | — |
| 🥬 Lettuce | Mar 15 – Mar 29 | Mar 29 – Apr 12 | Mar 29 – Apr 26 |
| 🫛 Peas | — | — | Mar 15 – Mar 29 |
| 🥕 Carrots | — | — | Apr 5 – Apr 26 |
| 🥦 Broccoli | Mar 8 – Mar 22 | Apr 5 – Apr 19 | — |
| 🥬 Kale | Mar 15 – Mar 29 | Mar 29 – Apr 12 | Mar 29 – Apr 12 |
| 🥒 Cucumbers | Mar 29 – Apr 5 | May 3 – May 10 | May 3 – May 10 |
| 🥒 Zucchini | Mar 29 – Apr 5 | May 3 – May 10 | May 3 – May 10 |
| 🫘 Green Beans (Bush) | — | — | May 3 – May 10 |
| 🌽 Sweet Corn | — | — | May 3 – May 10 |
| 🌿 Basil | Mar 15 – Mar 29 | May 3 – May 10 | May 10 – May 17 |
| 🧄 Garlic | — | — | Fall: Sep 7 – Oct 5 |
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 Heppner's dates automatically after a lookup.
Reading the season in Heppner
Roughly 176 frost-free days gives Heppner gardeners room for nearly every common vegetable. Warm-season crops go out after Apr 26; a fall garden sown in late summer matures comfortably before the Oct 19 frost.