Frost dates for 41347Lone, KY
The average last spring frost in Lone is April 17 and the average first fall frost is October 22, giving a typical growing season of about 189 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 17
- Average first fall frost
- Oct 22
- Growing season
- 189 days
Safer after May 5 (1-in-10 risk)
Possible by Oct 10 (1-in-10 risk)
Last frost typically in 165 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 13 · Apr 28 · May 16 | Oct 4 · Oct 14 · Oct 25 | 168 days | 100% |
| Frost / freeze (32°F) | Mar 31 · Apr 17 · May 5 | Oct 10 · Oct 22 · Nov 5 | 189 days | 100% |
| Hard freeze (28°F) | Mar 18 · Apr 3 · Apr 22 | Oct 19 · Nov 2 · Nov 17 | 214 days | 100% |
Planting calendar for Lone
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 2 |
| 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 12 |
| Summer squash | Sow outdoors | May 3 – Jun 17 |
| Winter squash & pumpkins | Sow outdoors | May 17 – Jun 17 |
| Snap beans | Sow outdoors | May 3 – Aug 4 |
| Sweet corn | Sow outdoors | May 3 – Jul 2 |
| 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 22 – Jul 2 |
| Broccoli | Transplant outdoors (fall) | Jul 22 – Aug 2 |
| Cabbage | Start seeds indoors (spring) | Feb 17 – Mar 17 |
| Cabbage | Transplant outdoors (spring) | Mar 17 – Apr 17 |
| Cabbage | Start seeds indoors (fall) | Jun 12 – Jul 12 |
| Cabbage | Transplant outdoors (fall) | Jul 12 – Aug 12 |
| Leaf lettuce | Sow outdoors (spring) | Mar 17 – Jun 2 |
| Leaf lettuce | Sow outdoors (fall) | Jul 12 – Aug 28 |
| Spinach | Sow outdoors (spring) | Mar 10 – Apr 23 |
| Spinach | Sow outdoors (fall) | Jul 29 – Sep 2 |
| Radishes | Sow outdoors (spring) | Mar 17 – May 7 |
| Radishes | Sow outdoors (fall) | Jul 12 – Sep 12 |
| Kale | Sow outdoors (spring) | Apr 3 – Apr 23 |
| Kale | Sow outdoors (fall) | Jul 5 – Aug 12 |
| Carrots | Sow outdoors (spring) | Apr 17 – Jun 2 |
| Carrots | Sow outdoors (fall) | Jun 12 – Jul 28 |
| Garlic | Plant outdoors (fall) | Oct 12 – Nov 12 |
Where these dates come from
ZIP code 41347 is matched to the NOAA station Heidelberg, KY, 14.6 km away, at 665 ft elevation (31 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Heidelberg, KY (used) | 665 ft | Apr 17 | Oct 22 |
| Beattyville 4N, KY | 1,080 ft | Apr 12 | Oct 25 |
| Quicksand, KY | 745 ft | Apr 19 | Oct 24 |
| Buckhorn Lake, KY | 780 ft | Apr 19 | Oct 25 |
Frost dates near Lone
- Saint Helens, KY 41368 · last Apr 12, first Oct 25
- Booneville, KY 41314 · last Apr 12, first Oct 25
- Beattyville, KY 41311 · last Apr 12, first Oct 25
- Zoe, KY 41397 · last Apr 12, first Oct 25
- Rogers, KY 41365 · last Apr 12, first Oct 25
- Vincent, KY 41386 · last Apr 24, first Oct 19
- Ricetown, KY 41364 · last Apr 24, first Oct 19
- Vancleve, KY 41385 · last Apr 6, first Nov 1
Frequently asked questions
- When is the last frost in Lone, KY?
- For ZIP code 41347, the average last spring frost (32°F) is April 17, based on NOAA 1991-2020 climate normals for the Heidelberg, KY weather station. There is a 1-in-10 chance of a frost after May 5.
- When is the first frost in Lone, KY?
- The average first fall frost (32°F) is October 22. There is a 1-in-10 chance of frost by October 10, so tender plants are at risk from that point on.
- How long is the growing season in 41347?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 189 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.