Frost dates for Fern Ridge-Veneta, OR
At Fern Ridge-Veneta, the median last spring frost (32°F) is Apr 18 and the median first fall frost is Oct 25, for a typical growing season of 189 days. For a 90% chance that the last frost has passed, wait until May 5. Nearby ZIP codes are in USDA hardiness zone 8b.
- Apr 18Last spring frost (median)50% chance of 32°F after this date
- May 5Safer planting date10% chance of 32°F after this date
- Oct 25First fall frost (median)50% chance of 32°F by this date
- 189 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | Apr 21 | May 5 | May 24 |
| 32°F | Mar 25 | Apr 18 | May 5 |
| 28°F | Feb 16 | Mar 16 | Apr 16 |
| 24°F | Jan 3 | Feb 18 | Mar 16 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Sep 20 | Oct 6 | Oct 26 |
| 32°F | Oct 6 | Oct 25 | Nov 12 |
| 28°F | Oct 22 | Nov 11 | Dec 5 |
| 24°F | Nov 4 | Dec 1 | Jan 6 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 129 days | 153 days | 177 days |
| 32°F | 163 days | 189 days | 219 days |
| 28°F | 202 days | 239 days | 279 days |
| 24°F | 246 days | 289 days | 332 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 98% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 97437 | 8b | 15 to 20°F | 6 km |
| 97487 | 8b | 15 to 20°F | 7 km |
| 97461 | 8b | 15 to 20°F | 12 km |
| 97419 | 8b | 15 to 20°F | 15 km |
| 97490 | 8b | 15 to 20°F | 19 km |
| 97412 | 8b | 15 to 20°F | 22 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USC00352867, at 44.0494, -123.3703, elevation 148 m (485 ft).
- Data quality: Representative (10+ years), 15 years of freeze data.
- Average days per year at or below 32°F: 66.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Eugene Mahlon Sweet Airport (15 km)
- Mapleton (39 km)
- Cottage Grove 2e (40 km)
- Corvallis 10 SSW (41 km)
- Drain (44 km)
- Dorena (44 km)
- Cottage Grove Dam (45 km)
- Elkton 1sw (48 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.