Frost dates for 97385Sublimity, OR
The average last spring frost in Sublimity is March 29 and the average first fall frost is November 6, giving a typical growing season of about 222 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 29
- Average first fall frost
- Nov 6
- Growing season
- 222 days
Safer after Apr 18 (1-in-10 risk)
Possible by Oct 20 (1-in-10 risk)
First frost typically in 5 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) | Apr 5 · Apr 26 · May 12 | Oct 4 · Oct 22 · Nov 10 | 177 days | 100% |
| Frost / freeze (32°F) | Mar 5 · Mar 29 · Apr 18 | Oct 20 · Nov 6 · Nov 26 | 222 days | 100% |
| Hard freeze (28°F) | Feb 1 · Mar 1 · Mar 26 | Nov 1 · Nov 22 · Dec 18 | 267 days | 100% |
Planting calendar for Sublimity
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 26 – May 4 |
| Tomatoes | Transplant outdoors | Apr 14 – Jul 17 |
| Peppers | Start seeds indoors | Feb 26 – Mar 29 |
| Peppers | Transplant outdoors | Apr 28 – May 29 |
| Eggplant | Start seeds indoors | Mar 15 – Apr 13 |
| Eggplant | Transplant outdoors | Apr 28 – May 29 |
| Cucumbers | Sow outdoors | Apr 28 – Jul 27 |
| Summer squash | Sow outdoors | Apr 14 – May 29 |
| Winter squash & pumpkins | Sow outdoors | Apr 28 – May 29 |
| Snap beans | Sow outdoors | Apr 14 – Aug 19 |
| Sweet corn | Sow outdoors | Apr 14 – Jul 17 |
| Watermelon & cantaloupe | Sow outdoors | Apr 28 – May 29 |
| Okra | Sow outdoors | Apr 21 – May 14 |
| Peas | Sow outdoors (spring) | Feb 26 – Apr 13 |
| Potatoes | Plant outdoors (spring) | Feb 26 – Apr 28 |
| Onions | Start seeds indoors (spring) | Jan 15 – Feb 11 |
| Onions | Transplant outdoors (spring) | Mar 15 – Apr 13 |
| Broccoli | Start seeds indoors (spring) | Feb 8 – Mar 14 |
| Broccoli | Transplant outdoors (spring) | Mar 15 – Apr 13 |
| Broccoli | Start seeds indoors (fall) | Jul 7 – Jul 17 |
| Broccoli | Transplant outdoors (fall) | Aug 6 – Aug 17 |
| Cabbage | Start seeds indoors (spring) | Jan 29 – Feb 26 |
| Cabbage | Transplant outdoors (spring) | Feb 26 – Mar 29 |
| Cabbage | Start seeds indoors (fall) | Jun 27 – Jul 27 |
| Cabbage | Transplant outdoors (fall) | Jul 27 – Aug 27 |
| Leaf lettuce | Sow outdoors (spring) | Feb 26 – May 14 |
| Leaf lettuce | Sow outdoors (fall) | Jul 27 – Sep 12 |
| Spinach | Sow outdoors (spring) | Feb 19 – Apr 4 |
| Spinach | Sow outdoors (fall) | Aug 13 – Sep 17 |
| Radishes | Sow outdoors (spring) | Feb 26 – Apr 18 |
| Radishes | Sow outdoors (fall) | Jul 27 – Sep 27 |
| Kale | Sow outdoors (spring) | Mar 15 – Apr 4 |
| Kale | Sow outdoors (fall) | Jul 20 – Aug 27 |
| Carrots | Sow outdoors (spring) | Mar 29 – May 14 |
| Carrots | Sow outdoors (fall) | Jun 27 – Aug 12 |
| Garlic | Plant outdoors (fall) | Oct 27 – Nov 27 |
Where these dates come from
ZIP code 97385 is matched to the NOAA station Stayton, OR, 6 km away, at 425 ft elevation (80 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Stayton, OR (used) | 425 ft | Mar 29 | Nov 6 |
| Silver Creek Falls, OR | 1,350 ft | Apr 30 | Oct 22 |
| Salem Mcnary Fld, OR | 205 ft | Apr 3 | Nov 1 |
| Silverton, OR | 408 ft | Mar 28 | Nov 10 |
Frost dates near Sublimity
- Aumsville, OR 97325 · last Mar 29, first Nov 6
- Stayton, OR 97383 · last Mar 29, first Nov 6
- Salem, OR 97317 · last Mar 29, first Nov 6
- Turner, OR 97392 · last Apr 3, first Nov 1
- Scio, OR 97374 · last Mar 29, first Nov 6
- Mehama, OR 97384 · last Mar 29, first Nov 6
- Silverton, OR 97381 · last Mar 28, first Nov 10
- Jefferson, OR 97352 · last Apr 3, first Nov 1
Frequently asked questions
- When is the last frost in Sublimity, OR?
- For ZIP code 97385, the average last spring frost (32°F) is March 29, based on NOAA 1991-2020 climate normals for the Stayton, OR weather station. There is a 1-in-10 chance of a frost after April 18.
- When is the first frost in Sublimity, OR?
- The average first fall frost (32°F) is November 6. There is a 1-in-10 chance of frost by October 20, so tender plants are at risk from that point on.
- How long is the growing season in 97385?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 222 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.