Frost dates for 97449Lakeside, OR
The average last spring frost in Lakeside is March 25 and the average first fall frost is November 24, giving a typical growing season of about 249 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 25
- Average first fall frost
- Nov 24
- Growing season
- 249 days
Safer after Apr 27 (1-in-10 risk)
Possible by Oct 27 (1-in-10 risk)
First frost typically in 23 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 31 · Apr 27 · May 19 | Oct 8 · Oct 30 · Nov 25 | 188 days | 100% |
| Frost / freeze (32°F) | Feb 15 · Mar 25 · Apr 27 | Oct 27 · Nov 24 · Jan 1 | 249 days | 100% |
| Hard freeze (28°F) | Dec 23 · Feb 17 · Mar 29 | Nov 15 · Dec 26 · Feb 19 | 314 days | 85% |
Planting calendar for Lakeside
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 22 – Apr 30 |
| Tomatoes | Transplant outdoors | Apr 10 – Aug 4 |
| Peppers | Start seeds indoors | Feb 22 – Mar 25 |
| Peppers | Transplant outdoors | Apr 24 – May 25 |
| Eggplant | Start seeds indoors | Mar 11 – Apr 9 |
| Eggplant | Transplant outdoors | Apr 24 – May 25 |
| Cucumbers | Sow outdoors | Apr 24 – Aug 14 |
| Summer squash | Sow outdoors | Apr 10 – May 25 |
| Winter squash & pumpkins | Sow outdoors | Apr 24 – May 25 |
| Snap beans | Sow outdoors | Apr 10 – Sep 6 |
| Sweet corn | Sow outdoors | Apr 10 – Aug 4 |
| Watermelon & cantaloupe | Sow outdoors | Apr 24 – May 25 |
| Okra | Sow outdoors | Apr 17 – May 10 |
| Peas | Sow outdoors (spring) | Feb 22 – Apr 9 |
| Potatoes | Plant outdoors (spring) | Feb 22 – Apr 24 |
| Onions | Start seeds indoors (spring) | Jan 11 – Feb 7 |
| Onions | Transplant outdoors (spring) | Mar 11 – Apr 9 |
| Broccoli | Start seeds indoors (spring) | Feb 4 – Mar 10 |
| Broccoli | Transplant outdoors (spring) | Mar 11 – Apr 9 |
| Broccoli | Start seeds indoors (fall) | Jul 25 – Aug 4 |
| Broccoli | Transplant outdoors (fall) | Aug 24 – Sep 4 |
| Cabbage | Start seeds indoors (spring) | Jan 25 – Feb 22 |
| Cabbage | Transplant outdoors (spring) | Feb 22 – Mar 25 |
| Cabbage | Start seeds indoors (fall) | Jul 15 – Aug 14 |
| Cabbage | Transplant outdoors (fall) | Aug 14 – Sep 14 |
| Leaf lettuce | Sow outdoors (spring) | Feb 22 – May 10 |
| Leaf lettuce | Sow outdoors (fall) | Aug 14 – Sep 30 |
| Spinach | Sow outdoors (spring) | Feb 15 – Mar 31 |
| Spinach | Sow outdoors (fall) | Aug 31 – Oct 5 |
| Radishes | Sow outdoors (spring) | Feb 22 – Apr 14 |
| Radishes | Sow outdoors (fall) | Aug 14 – Oct 15 |
| Kale | Sow outdoors (spring) | Mar 11 – Mar 31 |
| Kale | Sow outdoors (fall) | Aug 7 – Sep 14 |
| Carrots | Sow outdoors (spring) | Mar 25 – May 10 |
| Carrots | Sow outdoors (fall) | Jul 15 – Aug 30 |
| Garlic | Plant outdoors (fall) | Nov 14 – Dec 15 |
Where these dates come from
ZIP code 97449 is matched to the NOAA station Winchester Bay Coast Grd, OR, 11 km away, at 8 ft elevation (199 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Winchester Bay Coast Grd, OR (used) | 8 ft | Mar 25 | Nov 24 |
| North Bend Rgnl Ap, OR | 17 ft | Feb 21 | Dec 9 |
| Coos Bay 8 Sw, OR | 12 ft | Apr 15 | Oct 31 |
| Honeyman Sp, OR | 115 ft | Mar 28 | Nov 22 |
Frost dates near Lakeside
- Reedsport, OR 97467 · last Mar 25, first Nov 24
- Gardiner, OR 97441 · last Mar 25, first Nov 24
- North Bend, OR 97459 · last Feb 21, first Dec 9
- Allegany, OR 97407 · last Feb 21, first Dec 9
- Scottsburg, OR 97473 · last Mar 21, first Nov 12
- Westlake, OR 97493 · last Mar 28, first Nov 22
- Coos Bay, OR 97420 · last Mar 28, first Nov 6
- Coquille, OR 97423 · last Mar 28, first Nov 6
Frequently asked questions
- When is the last frost in Lakeside, OR?
- For ZIP code 97449, the average last spring frost (32°F) is March 25, based on NOAA 1991-2020 climate normals for the Winchester Bay Coast Grd, OR weather station. There is a 1-in-10 chance of a frost after April 27.
- When is the first frost in Lakeside, OR?
- The average first fall frost (32°F) is November 24. There is a 1-in-10 chance of frost by October 27, so tender plants are at risk from that point on.
- How long is the growing season in 97449?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 249 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.