Frost dates for 97391Toledo, OR
The average last spring frost in Toledo is March 21 and the average first fall frost is November 27, giving a typical growing season of about 252 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 21
- Average first fall frost
- Nov 27
- Growing season
- 252 days
Safer after Apr 12 (1-in-10 risk)
Possible by Nov 1 (1-in-10 risk)
First frost typically in 26 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Mar 30 · Apr 20 · May 5 | Oct 11 · Nov 1 · Nov 26 | 195 days | 100% |
| Frost / freeze (32°F) | Feb 11 · Mar 21 · Apr 12 | Nov 1 · Nov 27 · Dec 28 | 252 days | 100% |
| Hard freeze (28°F) | Dec 12 · Feb 6 · Mar 11 | Nov 15 · Dec 22 · Feb 18 | 325 days | 84% |
Planting calendar for Toledo
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Feb 18 – Apr 26 |
| Tomatoes | Transplant outdoors | Apr 6 – Aug 7 |
| Peppers | Start seeds indoors | Feb 18 – Mar 21 |
| Peppers | Transplant outdoors | Apr 20 – May 21 |
| Eggplant | Start seeds indoors | Mar 7 – Apr 5 |
| Eggplant | Transplant outdoors | Apr 20 – May 21 |
| Cucumbers | Sow outdoors | Apr 20 – Aug 17 |
| Summer squash | Sow outdoors | Apr 6 – May 21 |
| Winter squash & pumpkins | Sow outdoors | Apr 20 – May 21 |
| Snap beans | Sow outdoors | Apr 6 – Sep 9 |
| Sweet corn | Sow outdoors | Apr 6 – Aug 7 |
| Watermelon & cantaloupe | Sow outdoors | Apr 20 – May 21 |
| Okra | Sow outdoors | Apr 13 – May 6 |
| Peas | Sow outdoors (spring) | Feb 18 – Apr 5 |
| Potatoes | Plant outdoors (spring) | Feb 18 – Apr 20 |
| Onions | Start seeds indoors (spring) | Jan 7 – Feb 3 |
| Onions | Transplant outdoors (spring) | Mar 7 – Apr 5 |
| Broccoli | Start seeds indoors (spring) | Jan 31 – Mar 6 |
| Broccoli | Transplant outdoors (spring) | Mar 7 – Apr 5 |
| Broccoli | Start seeds indoors (fall) | Jul 28 – Aug 7 |
| Broccoli | Transplant outdoors (fall) | Aug 27 – Sep 7 |
| Cabbage | Start seeds indoors (spring) | Jan 21 – Feb 18 |
| Cabbage | Transplant outdoors (spring) | Feb 18 – Mar 21 |
| Cabbage | Start seeds indoors (fall) | Jul 18 – Aug 17 |
| Cabbage | Transplant outdoors (fall) | Aug 17 – Sep 17 |
| Leaf lettuce | Sow outdoors (spring) | Feb 18 – May 6 |
| Leaf lettuce | Sow outdoors (fall) | Aug 17 – Oct 3 |
| Spinach | Sow outdoors (spring) | Feb 11 – Mar 27 |
| Spinach | Sow outdoors (fall) | Sep 3 – Oct 8 |
| Radishes | Sow outdoors (spring) | Feb 18 – Apr 10 |
| Radishes | Sow outdoors (fall) | Aug 17 – Oct 18 |
| Kale | Sow outdoors (spring) | Mar 7 – Mar 27 |
| Kale | Sow outdoors (fall) | Aug 10 – Sep 17 |
| Carrots | Sow outdoors (spring) | Mar 21 – May 6 |
| Carrots | Sow outdoors (fall) | Jul 18 – Sep 2 |
| Garlic | Plant outdoors (fall) | Nov 17 – Dec 18 |
Where these dates come from
ZIP code 97391 is matched to the NOAA station Newport, OR, 10.1 km away, at 122 ft elevation (9 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Newport, OR (used) | 122 ft | Mar 21 | Nov 27 |
| Newport 1 Se, OR | 8 ft | Feb 19 | Dec 16 |
| Newport 3N, OR | 220 ft | Mar 12 | Dec 10 |
| Alsea Fh (Fall Creek), OR | 230 ft | Apr 13 | Nov 3 |
Frost dates near Toledo
- Newport, OR 97365 · last Mar 21, first Nov 27
- Siletz, OR 97380 · last Mar 21, first Nov 27
- South Beach, OR 97366 · last Mar 21, first Nov 27
- Eddyville, OR 97343 · last May 15, first Oct 8
- Seal Rock, OR 97376 · last May 15, first Oct 8
- Logsden, OR 97357 · last Apr 4, first Nov 16
- Otter Rock, OR 97369 · last Mar 12, first Dec 10
- Tidewater, OR 97390 · last Feb 19, first Dec 11
Frequently asked questions
- When is the last frost in Toledo, OR?
- For ZIP code 97391, the average last spring frost (32°F) is March 21, based on NOAA 1991-2020 climate normals for the Newport, OR weather station. There is a 1-in-10 chance of a frost after April 12.
- When is the first frost in Toledo, OR?
- The average first fall frost (32°F) is November 27. There is a 1-in-10 chance of frost by November 1, so tender plants are at risk from that point on.
- How long is the growing season in 97391?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 252 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.