Frost dates for Greensburg, KS
At Greensburg, the median last spring frost (32°F) is Apr 21 and the median first fall frost is Oct 22, for a typical growing season of 183 days. For a 90% chance that the last frost has passed, wait until May 3. Nearby ZIP codes are in USDA hardiness zone 6b.
- Apr 21Last spring frost (median)50% chance of 32°F after this date
- May 3Safer planting date10% chance of 32°F after this date
- Oct 22First fall frost (median)50% chance of 32°F by this date
- 183 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | Apr 16 | Apr 30 | May 11 |
| 32°F | Apr 7 | Apr 21 | May 3 |
| 28°F | Mar 25 | Apr 11 | Apr 26 |
| 24°F | Mar 13 | Apr 1 | Apr 17 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Sep 28 | Oct 13 | Oct 25 |
| 32°F | Oct 6 | Oct 22 | Nov 4 |
| 28°F | Oct 17 | Oct 31 | Nov 13 |
| 24°F | Oct 22 | Nov 7 | Nov 23 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 145 days | 166 days | 182 days |
| 32°F | 166 days | 183 days | 200 days |
| 28°F | 182 days | 201 days | 222 days |
| 24°F | 198 days | 219 days | 242 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 67054 | 6b | -5 to 0°F | 3 km |
| 67109 | 6b | -5 to 0°F | 17 km |
| 67059 | 6b | -5 to 0°F | 19 km |
| 67834 | 6b | -5 to 0°F | 29 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USC00143239, at 37.6025, -99.3022, elevation 684 m (2,243 ft).
- Data quality: Representative (10+ years), 20 years of freeze data.
- Average days per year at or below 32°F: 130.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Kinsley 2e (37 km)
- Coldwater (37 km)
- Pratt 3nw (47 km)
- Wilmore 16se (57 km)
- Ashland (61 km)
- Dodge City (61 km)
- Larned (67 km)
- Larned #2 (68 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.