Frost dates for Garnett 1 E, KS
At Garnett 1 E, the median last spring frost (32°F) is Apr 17 and the median first fall frost is Oct 22, for a typical growing season of 189 days. For a 90% chance that the last frost has passed, wait until May 1. Nearby ZIP codes are in USDA hardiness zone 6b.
- Apr 17Last spring frost (median)50% chance of 32°F after this date
- May 1Safer planting date10% chance of 32°F after this date
- Oct 22First fall frost (median)50% chance of 32°F by this date
- 189 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 12 | Apr 28 | May 10 |
| 32°F | Apr 1 | Apr 17 | May 1 |
| 28°F | Mar 20 | Apr 6 | Apr 22 |
| 24°F | Mar 6 | Mar 27 | Apr 13 |
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 29 | Oct 14 | Oct 26 |
| 32°F | Oct 7 | Oct 22 | Nov 4 |
| 28°F | Oct 17 | Nov 1 | Nov 13 |
| 24°F | Oct 28 | Nov 9 | Nov 27 |
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 | 167 days | 187 days |
| 32°F | 167 days | 189 days | 209 days |
| 28°F | 186 days | 207 days | 231 days |
| 24°F | 202 days | 228 days | 251 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 |
|---|---|---|---|
| 66032 | 6b | -5 to 0°F | 5 km |
| 66033 | 6b | -5 to 0°F | 12 km |
| 66080 | 6b | -5 to 0°F | 15 km |
| 66091 | 6b | -5 to 0°F | 15 km |
| 66039 | 6b | -5 to 0°F | 20 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 USC00143008, at 38.2800, -95.2178, elevation 304 m (998 ft).
- Data quality: Standard (24+ years of data), 28 years of freeze data.
- Average days per year at or below 32°F: 107.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Osawatomie (33 km)
- Ottawa (37 km)
- Mound City (38 km)
- Mound City 1ssw (39 km)
- Iola 1 W (44 km)
- Paola (46 km)
- John Redmond Lake (47 km)
- Melvern Lake (49 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.