Frost dates for Grovespring 1ne, MO
At Grovespring 1ne, the median last spring frost (32°F) is Apr 15 and the median first fall frost is Oct 22, for a typical growing season of 188 days. For a 90% chance that the last frost has passed, wait until May 2. Nearby ZIP codes are in USDA hardiness zone 6b.
- Apr 15Last spring frost (median)50% chance of 32°F after this date
- May 2Safer planting date10% chance of 32°F after this date
- Oct 22First fall frost (median)50% chance of 32°F by this date
- 188 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 11 | Apr 27 | May 12 |
| 32°F | Mar 29 | Apr 15 | May 2 |
| 28°F | Mar 18 | Apr 2 | Apr 20 |
| 24°F | Mar 5 | Mar 24 | Apr 7 |
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 26 | Oct 11 | Oct 24 |
| 32°F | Oct 6 | Oct 22 | Nov 5 |
| 28°F | Oct 17 | Nov 1 | Nov 18 |
| 24°F | Oct 27 | Nov 12 | Dec 2 |
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 | 188 days |
| 32°F | 167 days | 188 days | 211 days |
| 28°F | 189 days | 213 days | 236 days |
| 24°F | 211 days | 234 days | 258 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 |
|---|---|---|---|
| 65662 | 6b | -5 to 0°F | 2 km |
| 65713 | 6b | -5 to 0°F | 13 km |
| 65667 | 6b | -5 to 0°F | 13 km |
| 65632 | 6b | -5 to 0°F | 22 km |
| 65470 | 6b | -5 to 0°F | 23 km |
| 65543 | 6b | -5 to 0°F | 27 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 USC00233483, at 37.4078, -92.5931, elevation 423 m (1,388 ft).
- Data quality: Representative (10+ years), 13 years of freeze data.
- Average days per year at or below 32°F: 100.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Lebanon 2w (32 km)
- Mansfield (33 km)
- Marshfield 4 WSW (36 km)
- Mountain Grove 2 N (41 km)
- Ava 6nw (47 km)
- Buffalo 2n (54 km)
- Waynesville 2 W (55 km)
- Houston (57 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.