Frost dates for Gresham, Oregon
In a typical year, Gresham’s last spring frost lands around Mar 16 and the first fall frost around Nov 20, a growing season of about 249 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 8b.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Feb 18 | Oct 30 |
| 50 percent | Mar 16 | Nov 20 |
| 90 percent | Apr 12 | Dec 17 |
A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.
Soil in Gresham is typically around 69°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Gresham
- Beet (Detroit Dark Red)
- Chives (Common Chives)
- Calendula (Pacific Beauty)
- Scallion (White Lisbon)
- Broccoli (Premium Crop)
- Dill (Mammoth Long Island)
- Kohlrabi (Purple Vienna)
- Lemon balm (Common Lemon Balm)
Timing comes from the same temperature engine the app uses, run against Gresham’s normals for today.
Nearby cities
- Portland, OR (around Feb 25 to Dec 1)
- Vancouver, WA (around Mar 29 to Nov 9)
- Salem, OR (around Apr 3 to Nov 1)
- Eugene, OR (around Apr 11 to Oct 23)
- Tacoma, WA (around Mar 8 to Nov 14)
Row & Bed is a plant reference built around your garden: your zone, your frost dates, your forecast, and a cited page for every variety in your beds.
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