Planting windows for Portland-Hillsboro Airport
Computed from Portland-Hillsboro Airport's own frost dates. Click any crop for the full zone-8 growing guide — varieties, spacing, fall plantings, and more.
| Crop | Start seeds indoors | Transplant | Direct sow |
|---|---|---|---|
| 🍅 Tomatoes | Feb 19 – Mar 5 | Apr 23 – Apr 30 | — |
| 🫑 Peppers | Feb 5 – Feb 19 | Apr 30 – May 7 | — |
| 🥬 Lettuce | Mar 5 – Mar 19 | Mar 19 – Apr 2 | Mar 19 – Apr 16 |
| 🫛 Peas | — | — | Mar 5 – Mar 19 |
| 🥕 Carrots | — | — | Mar 26 – Apr 16 |
| 🥦 Broccoli | Feb 26 – Mar 12 | Mar 26 – Apr 9 | — |
| 🥬 Kale | Mar 5 – Mar 19 | Mar 19 – Apr 2 | Mar 19 – Apr 2 |
| 🥒 Cucumbers | Mar 19 – Mar 26 | Apr 23 – Apr 30 | Apr 23 – Apr 30 |
| 🥒 Zucchini | Mar 19 – Mar 26 | Apr 23 – Apr 30 | Apr 23 – Apr 30 |
| 🫘 Green Beans (Bush) | — | — | Apr 23 – Apr 30 |
| 🌽 Sweet Corn | — | — | Apr 23 – Apr 30 |
| 🌿 Basil | Mar 5 – Mar 19 | Apr 23 – Apr 30 | Apr 30 – May 7 |
| 🧄 Garlic | — | — | Fall: Sep 11 – Oct 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 Portland-Hillsboro Airport's dates automatically after a lookup.
Reading the season in Portland-Hillsboro Airport
Roughly 190 frost-free days gives Portland-Hillsboro Airport gardeners room for nearly every common vegetable. Warm-season crops go out after Apr 16; a fall garden sown in late summer matures comfortably before the Oct 23 frost.