Frost dates for 40046Mount Eden, KY
The average last spring frost in Mount Eden is April 23 and the average first fall frost is October 16, giving a typical growing season of about 176 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 23
- Average first fall frost
- Oct 16
- Growing season
- 176 days
Safer after May 7 (1-in-10 risk)
Possible by Oct 4 (1-in-10 risk)
Last frost typically in 171 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 18 · May 2 · May 19 | Sep 27 · Oct 8 · Oct 22 | 158 days | 100% |
| Frost / freeze (32°F) | Apr 8 · Apr 23 · May 7 | Oct 4 · Oct 16 · Oct 31 | 176 days | 100% |
| Hard freeze (28°F) | Mar 23 · Apr 10 · Apr 28 | Oct 11 · Oct 25 · Nov 11 | 198 days | 100% |
Planting calendar for Mount Eden
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 23 – May 29 |
| Tomatoes | Transplant outdoors | May 9 – Jun 26 |
| Peppers | Start seeds indoors | Mar 23 – Apr 23 |
| Peppers | Transplant outdoors | May 23 – Jun 23 |
| Eggplant | Start seeds indoors | Apr 9 – May 8 |
| Eggplant | Transplant outdoors | May 23 – Jun 23 |
| Cucumbers | Sow outdoors | May 23 – Jul 6 |
| Summer squash | Sow outdoors | May 9 – Jun 23 |
| Winter squash & pumpkins | Sow outdoors | May 23 – Jun 23 |
| Snap beans | Sow outdoors | May 9 – Jul 29 |
| Sweet corn | Sow outdoors | May 9 – Jun 26 |
| Watermelon & cantaloupe | Sow outdoors | May 23 – Jun 23 |
| Okra | Sow outdoors | May 16 – Jun 8 |
| Peas | Sow outdoors (spring) | Mar 23 – May 8 |
| Potatoes | Plant outdoors (spring) | Mar 23 – May 23 |
| Onions | Start seeds indoors (spring) | Feb 9 – Mar 8 |
| Onions | Transplant outdoors (spring) | Apr 9 – May 8 |
| Broccoli | Start seeds indoors (spring) | Mar 5 – Apr 8 |
| Broccoli | Transplant outdoors (spring) | Apr 9 – May 8 |
| Broccoli | Start seeds indoors (fall) | Jun 16 – Jun 26 |
| Broccoli | Transplant outdoors (fall) | Jul 16 – Jul 27 |
| Cabbage | Start seeds indoors (spring) | Feb 23 – Mar 23 |
| Cabbage | Transplant outdoors (spring) | Mar 23 – Apr 23 |
| Cabbage | Start seeds indoors (fall) | Jun 6 – Jul 6 |
| Cabbage | Transplant outdoors (fall) | Jul 6 – Aug 6 |
| Leaf lettuce | Sow outdoors (spring) | Mar 23 – Jun 8 |
| Leaf lettuce | Sow outdoors (fall) | Jul 6 – Aug 22 |
| Spinach | Sow outdoors (spring) | Mar 16 – Apr 29 |
| Spinach | Sow outdoors (fall) | Jul 23 – Aug 27 |
| Radishes | Sow outdoors (spring) | Mar 23 – May 13 |
| Radishes | Sow outdoors (fall) | Jul 6 – Sep 6 |
| Kale | Sow outdoors (spring) | Apr 9 – Apr 29 |
| Kale | Sow outdoors (fall) | Jun 29 – Aug 6 |
| Carrots | Sow outdoors (spring) | Apr 23 – Jun 8 |
| Carrots | Sow outdoors (fall) | Jun 6 – Jul 22 |
| Garlic | Plant outdoors (fall) | Oct 6 – Nov 6 |
Where these dates come from
ZIP code 40046 is matched to the NOAA station Taylorsville Lake, KY, 13.2 km away, at 700 ft elevation (47 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Taylorsville Lake, KY (used) | 700 ft | Apr 23 | Oct 16 |
| Shelbyville 1 E, KY | 730 ft | May 1 | Oct 10 |
| Frankfort Capital City Ap, KY | 804 ft | Apr 15 | Oct 24 |
| Bardstown 5E, KY | 780 ft | Apr 13 | Oct 25 |
Frost dates near Mount Eden
- Waddy, KY 40076 · last Apr 15, first Oct 24
- Chaplin, KY 40012 · last Apr 13, first Oct 25
- Bloomfield, KY 40008 · last Apr 13, first Oct 25
- Shelbyville, KY 40066 · last May 1, first Oct 10
- Taylorsville, KY 40071 · last Apr 23, first Oct 16
- Lawrenceburg, KY 40342 · last Apr 15, first Oct 24
- Finchville, KY 40022 · last Apr 12, first Oct 25
- Willisburg, KY 40078 · last Apr 13, first Oct 25
Frequently asked questions
- When is the last frost in Mount Eden, KY?
- For ZIP code 40046, the average last spring frost (32°F) is April 23, based on NOAA 1991-2020 climate normals for the Taylorsville Lake, KY weather station. There is a 1-in-10 chance of a frost after May 7.
- When is the first frost in Mount Eden, KY?
- The average first fall frost (32°F) is October 16. There is a 1-in-10 chance of frost by October 4, so tender plants are at risk from that point on.
- How long is the growing season in 40046?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 176 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.