Frost dates for 41046Glencoe, KY
The average last spring frost in Glencoe is April 17 and the average first fall frost is October 29, giving a typical growing season of about 194 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 17
- Average first fall frost
- Oct 29
- Growing season
- 194 days
Safer after May 4 (1-in-10 risk)
Possible by Oct 15 (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 13 · Apr 28 · May 15 | Oct 6 · Oct 18 · Oct 31 | 173 days | 100% |
| Frost / freeze (32°F) | Apr 2 · Apr 17 · May 4 | Oct 15 · Oct 29 · Nov 10 | 194 days | 100% |
| Hard freeze (28°F) | Mar 18 · Apr 4 · Apr 23 | Oct 26 · Nov 7 · Nov 21 | 217 days | 100% |
Planting calendar for Glencoe
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 9 |
| 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 19 |
| Summer squash | Sow outdoors | May 3 – Jun 17 |
| Winter squash & pumpkins | Sow outdoors | May 17 – Jun 17 |
| Snap beans | Sow outdoors | May 3 – Aug 11 |
| Sweet corn | Sow outdoors | May 3 – Jul 9 |
| 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 29 – Jul 9 |
| Broccoli | Transplant outdoors (fall) | Jul 29 – Aug 9 |
| Cabbage | Start seeds indoors (spring) | Feb 17 – Mar 17 |
| Cabbage | Transplant outdoors (spring) | Mar 17 – Apr 17 |
| Cabbage | Start seeds indoors (fall) | Jun 19 – Jul 19 |
| Cabbage | Transplant outdoors (fall) | Jul 19 – Aug 19 |
| Leaf lettuce | Sow outdoors (spring) | Mar 17 – Jun 2 |
| Leaf lettuce | Sow outdoors (fall) | Jul 19 – Sep 4 |
| Spinach | Sow outdoors (spring) | Mar 10 – Apr 23 |
| Spinach | Sow outdoors (fall) | Aug 5 – Sep 9 |
| Radishes | Sow outdoors (spring) | Mar 17 – May 7 |
| Radishes | Sow outdoors (fall) | Jul 19 – Sep 19 |
| Kale | Sow outdoors (spring) | Apr 3 – Apr 23 |
| Kale | Sow outdoors (fall) | Jul 12 – Aug 19 |
| Carrots | Sow outdoors (spring) | Apr 17 – Jun 2 |
| Carrots | Sow outdoors (fall) | Jun 19 – Aug 4 |
| Garlic | Plant outdoors (fall) | Oct 19 – Nov 19 |
Where these dates come from
ZIP code 41046 is matched to the NOAA station Warsaw Markland Dam, KY, 14.6 km away, at 451 ft elevation (225 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Warsaw Markland Dam, KY (used) | 451 ft | Apr 17 | Oct 29 |
| Glencoe 6 Nw, KY | 490 ft | Apr 23 | Oct 21 |
| Vevay, IN | 495 ft | Apr 9 | Nov 1 |
| Williamstown, KY | 969 ft | Apr 11 | Oct 29 |
Frost dates near Glencoe
- Sparta, KY 41086 · last Apr 17, first Oct 29
- Warsaw, KY 41095 · last Apr 17, first Oct 29
- Jonesville, KY 41052 · last Apr 11, first Oct 29
- New Liberty, KY 40355 · last Apr 17, first Oct 29
- Patriot, IN 47038 · last Apr 18, first Oct 25
- Sanders, KY 41083 · last Apr 17, first Oct 29
- Florence, IN 47020 · last Apr 17, first Oct 29
- Dry Ridge, KY 41035 · last Apr 11, first Oct 29
Frequently asked questions
- When is the last frost in Glencoe, KY?
- For ZIP code 41046, the average last spring frost (32°F) is April 17, based on NOAA 1991-2020 climate normals for the Warsaw Markland Dam, KY weather station. There is a 1-in-10 chance of a frost after May 4.
- When is the first frost in Glencoe, KY?
- The average first fall frost (32°F) is October 29. There is a 1-in-10 chance of frost by October 15, so tender plants are at risk from that point on.
- How long is the growing season in 41046?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 194 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.