Frost dates for 45623Crown City, OH
The average last spring frost in Crown City is April 18 and the average first fall frost is October 29, giving a typical growing season of about 192 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 18
- Average first fall frost
- Oct 29
- Growing season
- 192 days
Safer after May 5 (1-in-10 risk)
Possible by Oct 16 (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 15 · Apr 30 · May 18 | Oct 7 · Oct 19 · Oct 30 | 172 days | 100% |
| Frost / freeze (32°F) | Apr 3 · Apr 18 · May 5 | Oct 16 · Oct 29 · Nov 9 | 192 days | 100% |
| Hard freeze (28°F) | Mar 20 · Apr 4 · Apr 20 | Oct 27 · Nov 7 · Nov 21 | 216 days | 100% |
Planting calendar for Crown City
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 18 – May 24 |
| Tomatoes | Transplant outdoors | May 4 – Jul 9 |
| Peppers | Start seeds indoors | Mar 18 – Apr 18 |
| Peppers | Transplant outdoors | May 18 – Jun 18 |
| Eggplant | Start seeds indoors | Apr 4 – May 3 |
| Eggplant | Transplant outdoors | May 18 – Jun 18 |
| Cucumbers | Sow outdoors | May 18 – Jul 19 |
| Summer squash | Sow outdoors | May 4 – Jun 18 |
| Winter squash & pumpkins | Sow outdoors | May 18 – Jun 18 |
| Snap beans | Sow outdoors | May 4 – Aug 11 |
| Sweet corn | Sow outdoors | May 4 – Jul 9 |
| Watermelon & cantaloupe | Sow outdoors | May 18 – Jun 18 |
| Okra | Sow outdoors | May 11 – Jun 3 |
| Peas | Sow outdoors (spring) | Mar 18 – May 3 |
| Potatoes | Plant outdoors (spring) | Mar 18 – May 18 |
| Onions | Start seeds indoors (spring) | Feb 4 – Mar 3 |
| Onions | Transplant outdoors (spring) | Apr 4 – May 3 |
| Broccoli | Start seeds indoors (spring) | Feb 28 – Apr 3 |
| Broccoli | Transplant outdoors (spring) | Apr 4 – May 3 |
| Broccoli | Start seeds indoors (fall) | Jun 29 – Jul 9 |
| Broccoli | Transplant outdoors (fall) | Jul 29 – Aug 9 |
| Cabbage | Start seeds indoors (spring) | Feb 18 – Mar 18 |
| Cabbage | Transplant outdoors (spring) | Mar 18 – Apr 18 |
| Cabbage | Start seeds indoors (fall) | Jun 19 – Jul 19 |
| Cabbage | Transplant outdoors (fall) | Jul 19 – Aug 19 |
| Leaf lettuce | Sow outdoors (spring) | Mar 18 – Jun 3 |
| Leaf lettuce | Sow outdoors (fall) | Jul 19 – Sep 4 |
| Spinach | Sow outdoors (spring) | Mar 11 – Apr 24 |
| Spinach | Sow outdoors (fall) | Aug 5 – Sep 9 |
| Radishes | Sow outdoors (spring) | Mar 18 – May 8 |
| Radishes | Sow outdoors (fall) | Jul 19 – Sep 19 |
| Kale | Sow outdoors (spring) | Apr 4 – Apr 24 |
| Kale | Sow outdoors (fall) | Jul 12 – Aug 19 |
| Carrots | Sow outdoors (spring) | Apr 18 – Jun 3 |
| Carrots | Sow outdoors (fall) | Jun 19 – Aug 4 |
| Garlic | Plant outdoors (fall) | Oct 19 – Nov 19 |
Where these dates come from
ZIP code 45623 is matched to the NOAA station Hogsett Rc Byrd Dam, WV, 10.6 km away, at 570 ft elevation (231 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Hogsett Rc Byrd Dam, WV (used) | 570 ft | Apr 18 | Oct 29 |
| Waterloo, OH | 625 ft | Apr 30 | Oct 15 |
| Pea Ridge Psd, WV | 584 ft | Apr 8 | Nov 1 |
| Gallipolis, OH | 578 ft | Apr 18 | Oct 28 |
Frost dates near Crown City
- Glenwood, WV 25520 · last Apr 18, first Oct 29
- Scottown, OH 45678 · last Apr 30, first Oct 15
- Ashton, WV 25503 · last Apr 18, first Oct 29
- Apple Grove, WV 25502 · last Apr 18, first Oct 29
- Lesage, WV 25537 · last Apr 8, first Nov 1
- Willow Wood, OH 45696 · last Apr 30, first Oct 15
- Proctorville, OH 45669 · last Apr 8, first Nov 1
- Ona, WV 25545 · last Apr 8, first Nov 1
Frequently asked questions
- When is the last frost in Crown City, OH?
- For ZIP code 45623, the average last spring frost (32°F) is April 18, based on NOAA 1991-2020 climate normals for the Hogsett Rc Byrd Dam, WV weather station. There is a 1-in-10 chance of a frost after May 5.
- When is the first frost in Crown City, OH?
- The average first fall frost (32°F) is October 29. There is a 1-in-10 chance of frost by October 16, so tender plants are at risk from that point on.
- How long is the growing season in 45623?
- 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.