Frost dates for 41848Roxana, KY
The average last spring frost in Roxana is April 18 and the average first fall frost is October 28, giving a typical growing season of about 191 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 18
- Average first fall frost
- Oct 28
- Growing season
- 191 days
Safer after May 2 (1-in-10 risk)
Possible by Oct 17 (1-in-10 risk)
Last frost typically in 166 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 17 · Apr 29 · May 13 | Oct 9 · Oct 20 · Oct 28 | 173 days | 100% |
| Frost / freeze (32°F) | Apr 6 · Apr 18 · May 2 | Oct 17 · Oct 28 · Nov 7 | 191 days | 100% |
| Hard freeze (28°F) | Mar 24 · Apr 6 · Apr 20 | Oct 27 · Nov 5 · Nov 18 | 213 days | 100% |
Planting calendar for Roxana
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 8 |
| 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 18 |
| Summer squash | Sow outdoors | May 4 – Jun 18 |
| Winter squash & pumpkins | Sow outdoors | May 18 – Jun 18 |
| Snap beans | Sow outdoors | May 4 – Aug 10 |
| Sweet corn | Sow outdoors | May 4 – Jul 8 |
| 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 28 – Jul 8 |
| Broccoli | Transplant outdoors (fall) | Jul 28 – Aug 8 |
| Cabbage | Start seeds indoors (spring) | Feb 18 – Mar 18 |
| Cabbage | Transplant outdoors (spring) | Mar 18 – Apr 18 |
| Cabbage | Start seeds indoors (fall) | Jun 18 – Jul 18 |
| Cabbage | Transplant outdoors (fall) | Jul 18 – Aug 18 |
| Leaf lettuce | Sow outdoors (spring) | Mar 18 – Jun 3 |
| Leaf lettuce | Sow outdoors (fall) | Jul 18 – Sep 3 |
| Spinach | Sow outdoors (spring) | Mar 11 – Apr 24 |
| Spinach | Sow outdoors (fall) | Aug 4 – Sep 8 |
| Radishes | Sow outdoors (spring) | Mar 18 – May 8 |
| Radishes | Sow outdoors (fall) | Jul 18 – Sep 18 |
| Kale | Sow outdoors (spring) | Apr 4 – Apr 24 |
| Kale | Sow outdoors (fall) | Jul 11 – Aug 18 |
| Carrots | Sow outdoors (spring) | Apr 18 – Jun 3 |
| Carrots | Sow outdoors (fall) | Jun 18 – Aug 3 |
| Garlic | Plant outdoors (fall) | Oct 18 – Nov 18 |
Where these dates come from
ZIP code 41848 is matched to the NOAA station Skyline 1 Se, KY, 5.2 km away, at 1,083 ft elevation (137 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Skyline 1 Se, KY (used) | 1,083 ft | Apr 18 | Oct 28 |
| Whitesburg 2Se, KY | 1,240 ft | Apr 21 | Oct 22 |
| Big Stone Gap, VA | 1,466 ft | Apr 20 | Oct 23 |
| Wise 1Se, VA | 2,564 ft | Apr 25 | Oct 18 |
Frost dates near Roxana
- Premium, KY 41845 · last Apr 20, first Oct 23
- Letcher, KY 41832 · last Apr 21, first Oct 22
- Hallie, KY 41821 · last Apr 20, first Oct 23
- Jeremiah, KY 41826 · last Apr 20, first Oct 23
- Blackey, KY 41804 · last Apr 20, first Oct 23
- Whitesburg, KY 41858 · last Apr 29, first Oct 16
- Linefork, KY 41833 · last Apr 20, first Oct 23
- Isom, KY 41824 · last Apr 21, first Oct 22
Frequently asked questions
- When is the last frost in Roxana, KY?
- For ZIP code 41848, the average last spring frost (32°F) is April 18, based on NOAA 1991-2020 climate normals for the Skyline 1 Se, KY weather station. There is a 1-in-10 chance of a frost after May 2.
- When is the first frost in Roxana, KY?
- The average first fall frost (32°F) is October 28. There is a 1-in-10 chance of frost by October 17, so tender plants are at risk from that point on.
- How long is the growing season in 41848?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 191 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.