Frost dates for 45345New Lebanon, OH
The average last spring frost in New Lebanon is April 17 and the average first fall frost is October 26, giving a typical growing season of about 192 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 17
- Average first fall frost
- Oct 26
- Growing season
- 192 days
Safer after May 6 (1-in-10 risk)
Possible by Oct 13 (1-in-10 risk)
Last frost typically in 167 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 14 · Apr 29 · May 16 | Oct 4 · Oct 17 · Oct 28 | 169 days | 100% |
| Frost / freeze (32°F) | Apr 3 · Apr 17 · May 6 | Oct 13 · Oct 26 · Nov 6 | 192 days | 100% |
| Hard freeze (28°F) | Mar 20 · Apr 5 · Apr 21 | Oct 23 · Nov 5 · Nov 20 | 214 days | 100% |
Planting calendar for New Lebanon
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 | Mar 17 – May 23 |
| Tomatoes | Transplant outdoors | May 3 – Jul 6 |
| Peppers | Start seeds indoors | Mar 17 – Apr 17 |
| Peppers | Transplant outdoors | May 17 – Jun 17 |
| Eggplant | Start seeds indoors | Apr 3 – May 2 |
| Eggplant | Transplant outdoors | May 17 – Jun 17 |
| Cucumbers | Sow outdoors | May 17 – Jul 16 |
| Summer squash | Sow outdoors | May 3 – Jun 17 |
| Winter squash & pumpkins | Sow outdoors | May 17 – Jun 17 |
| Snap beans | Sow outdoors | May 3 – Aug 8 |
| Sweet corn | Sow outdoors | May 3 – Jul 6 |
| Watermelon & cantaloupe | Sow outdoors | May 17 – Jun 17 |
| Okra | Sow outdoors | May 10 – Jun 2 |
| Peas | Sow outdoors (spring) | Mar 17 – May 2 |
| Potatoes | Plant outdoors (spring) | Mar 17 – May 17 |
| Onions | Start seeds indoors (spring) | Feb 3 – Mar 2 |
| Onions | Transplant outdoors (spring) | Apr 3 – May 2 |
| Broccoli | Start seeds indoors (spring) | Feb 27 – Apr 2 |
| Broccoli | Transplant outdoors (spring) | Apr 3 – May 2 |
| Broccoli | Start seeds indoors (fall) | Jun 26 – Jul 6 |
| Broccoli | Transplant outdoors (fall) | Jul 26 – Aug 6 |
| Cabbage | Start seeds indoors (spring) | Feb 17 – Mar 17 |
| Cabbage | Transplant outdoors (spring) | Mar 17 – Apr 17 |
| Cabbage | Start seeds indoors (fall) | Jun 16 – Jul 16 |
| Cabbage | Transplant outdoors (fall) | Jul 16 – Aug 16 |
| Leaf lettuce | Sow outdoors (spring) | Mar 17 – Jun 2 |
| Leaf lettuce | Sow outdoors (fall) | Jul 16 – Sep 1 |
| Spinach | Sow outdoors (spring) | Mar 10 – Apr 23 |
| Spinach | Sow outdoors (fall) | Aug 2 – Sep 6 |
| Radishes | Sow outdoors (spring) | Mar 17 – May 7 |
| Radishes | Sow outdoors (fall) | Jul 16 – Sep 16 |
| Kale | Sow outdoors (spring) | Apr 3 – Apr 23 |
| Kale | Sow outdoors (fall) | Jul 9 – Aug 16 |
| Carrots | Sow outdoors (spring) | Apr 17 – Jun 2 |
| Carrots | Sow outdoors (fall) | Jun 16 – Aug 1 |
| Garlic | Plant outdoors (fall) | Oct 16 – Nov 16 |
Where these dates come from
ZIP code 45345 is matched to the NOAA station Dayton Wright Bros Ap, OH, 21.8 km away, at 962 ft elevation (33 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Dayton Wright Bros Ap, OH (used) | 962 ft | Apr 17 | Oct 26 |
| Dayton Mcd, OH | 720 ft | Apr 18 | Oct 25 |
| Eaton, OH | 1,002 ft | Apr 25 | Oct 20 |
| Franklin, OH | 679 ft | Apr 24 | Oct 19 |
Frost dates near New Lebanon
- Farmersville, OH 45325 · last Apr 24, first Oct 19
- Dayton, OH 45426 · last Apr 18, first Oct 25
- Miamisburg, OH 45343 · last Apr 18, first Oct 25
- Brookville, OH 45309 · last Apr 16, first Oct 28
- West Alexandria, OH 45381 · last Apr 25, first Oct 20
- Germantown, OH 45327 · last Apr 24, first Oct 19
- Clayton, OH 45315 · last Apr 16, first Oct 28
- Gratis, OH 45330 · last Apr 25, first Oct 20
Frequently asked questions
- When is the last frost in New Lebanon, OH?
- For ZIP code 45345, the average last spring frost (32°F) is April 17, based on NOAA 1991-2020 climate normals for the Dayton Wright Bros Ap, OH weather station. There is a 1-in-10 chance of a frost after May 6.
- When is the first frost in New Lebanon, OH?
- The average first fall frost (32°F) is October 26. There is a 1-in-10 chance of frost by October 13, so tender plants are at risk from that point on.
- How long is the growing season in 45345?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 192 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.