Frost dates for Holland Water Plant, MI
At Holland Water Plant, the median last spring frost (32°F) is Apr 27 and the median first fall frost is Oct 25, for a typical growing season of 178 days. For a 90% chance that the last frost has passed, wait until May 12. Nearby ZIP codes are in USDA hardiness zones 6b to 7a.
- Apr 27Last spring frost (median)50% chance of 32°F after this date
- May 12Safer planting date10% chance of 32°F after this date
- Oct 25First fall frost (median)50% chance of 32°F by this date
- 178 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 24 | May 8 | May 24 |
| 32°F | Apr 13 | Apr 27 | May 12 |
| 28°F | Mar 31 | Apr 14 | Apr 30 |
| 24°F | Mar 18 | 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 11 | Oct 26 |
| 32°F | Oct 6 | Oct 25 | Nov 6 |
| 28°F | Oct 23 | Nov 6 | Nov 24 |
| 24°F | Nov 5 | Nov 22 | Dec 10 |
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 | 133 days | 153 days | 175 days |
| 32°F | 156 days | 178 days | 198 days |
| 28°F | 184 days | 205 days | 227 days |
| 24°F | 208 days | 232 days | 254 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 |
|---|---|---|---|
| 49434 | 7a | 0 to 5°F | 3 km |
| 49424 | 6b | -5 to 0°F | 7 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 USC00203858, at 42.7989, -86.2050, elevation 188 m (617 ft).
- Data quality: Representative (10+ years), 17 years of freeze data.
- Average days per year at or below 32°F: 132.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Holland Tulip City Airport (11 km)
- Grand Haven Wastewater Plant (29 km)
- Muskegon Co Airport (41 km)
- Allegan 5ne (42 km)
- S Haven (45 km)
- Bloomingdale (50 km)
- E Grand Rapids (51 km)
- Nwsfo Grand Rapids (55 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.