Frost dates for 42154Knob Lick, KY
The average last spring frost in Knob Lick is April 5 and the average first fall frost is November 2, giving a typical growing season of about 211 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 5
- Average first fall frost
- Nov 2
- Growing season
- 211 days
Safer after Apr 24 (1-in-10 risk)
Possible by Oct 21 (1-in-10 risk)
Last frost typically in 153 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 3 · Apr 18 · May 8 | Oct 12 · Oct 24 · Nov 4 | 186 days | 100% |
| Frost / freeze (32°F) | Mar 21 · Apr 5 · Apr 24 | Oct 21 · Nov 2 · Nov 18 | 211 days | 100% |
| Hard freeze (28°F) | Mar 9 · Mar 25 · Apr 8 | Nov 1 · Nov 14 · Dec 2 | 233 days | 100% |
Planting calendar for Knob Lick
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 5 – May 11 |
| Tomatoes | Transplant outdoors | Apr 21 – Jul 13 |
| Peppers | Start seeds indoors | Mar 5 – Apr 5 |
| Peppers | Transplant outdoors | May 5 – Jun 5 |
| Eggplant | Start seeds indoors | Mar 22 – Apr 20 |
| Eggplant | Transplant outdoors | May 5 – Jun 5 |
| Cucumbers | Sow outdoors | May 5 – Jul 23 |
| Summer squash | Sow outdoors | Apr 21 – Jun 5 |
| Winter squash & pumpkins | Sow outdoors | May 5 – Jun 5 |
| Snap beans | Sow outdoors | Apr 21 – Aug 15 |
| Sweet corn | Sow outdoors | Apr 21 – Jul 13 |
| Watermelon & cantaloupe | Sow outdoors | May 5 – Jun 5 |
| Okra | Sow outdoors | Apr 28 – May 21 |
| Peas | Sow outdoors (spring) | Mar 5 – Apr 20 |
| Potatoes | Plant outdoors (spring) | Mar 5 – May 5 |
| Onions | Start seeds indoors (spring) | Jan 22 – Feb 18 |
| Onions | Transplant outdoors (spring) | Mar 22 – Apr 20 |
| Broccoli | Start seeds indoors (spring) | Feb 15 – Mar 21 |
| Broccoli | Transplant outdoors (spring) | Mar 22 – Apr 20 |
| Broccoli | Start seeds indoors (fall) | Jul 3 – Jul 13 |
| Broccoli | Transplant outdoors (fall) | Aug 2 – Aug 13 |
| Cabbage | Start seeds indoors (spring) | Feb 5 – Mar 5 |
| Cabbage | Transplant outdoors (spring) | Mar 5 – Apr 5 |
| Cabbage | Start seeds indoors (fall) | Jun 23 – Jul 23 |
| Cabbage | Transplant outdoors (fall) | Jul 23 – Aug 23 |
| Leaf lettuce | Sow outdoors (spring) | Mar 5 – May 21 |
| Leaf lettuce | Sow outdoors (fall) | Jul 23 – Sep 8 |
| Spinach | Sow outdoors (spring) | Feb 26 – Apr 11 |
| Spinach | Sow outdoors (fall) | Aug 9 – Sep 13 |
| Radishes | Sow outdoors (spring) | Mar 5 – Apr 25 |
| Radishes | Sow outdoors (fall) | Jul 23 – Sep 23 |
| Kale | Sow outdoors (spring) | Mar 22 – Apr 11 |
| Kale | Sow outdoors (fall) | Jul 16 – Aug 23 |
| Carrots | Sow outdoors (spring) | Apr 5 – May 21 |
| Carrots | Sow outdoors (fall) | Jun 23 – Aug 8 |
| Garlic | Plant outdoors (fall) | Oct 23 – Nov 23 |
Where these dates come from
ZIP code 42154 is matched to the NOAA station Knob Lick 4S, KY, 3.5 km away, at 1,020 ft elevation (147 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Knob Lick 4S, KY (used) | 1,020 ft | Apr 5 | Nov 2 |
| Summer Shade, KY | 864 ft | Apr 26 | Oct 18 |
| Glasgow, KY | 770 ft | Apr 9 | Oct 27 |
| Greensburg, KY | 585 ft | Apr 15 | Oct 24 |
Frost dates near Knob Lick
- Center, KY 42214 · last Apr 15, first Oct 24
- Edmonton, KY 42129 · last Apr 5, first Nov 2
- Hiseville, KY 42152 · last Apr 9, first Oct 27
- Eighty Eight, KY 42130 · last Apr 26, first Oct 18
- Summer Shade, KY 42166 · last Apr 26, first Oct 18
- Hardyville, KY 42746 · last Apr 15, first Oct 24
- Glasgow, KY 42142 · last Apr 9, first Oct 27
- Gradyville, KY 42742 · last Apr 15, first Oct 24
Frequently asked questions
- When is the last frost in Knob Lick, KY?
- For ZIP code 42154, the average last spring frost (32°F) is April 5, based on NOAA 1991-2020 climate normals for the Knob Lick 4S, KY weather station. There is a 1-in-10 chance of a frost after April 24.
- When is the first frost in Knob Lick, KY?
- The average first fall frost (32°F) is November 2. There is a 1-in-10 chance of frost by October 21, so tender plants are at risk from that point on.
- How long is the growing season in 42154?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 211 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.