Frost dates for Salisbury 2n, MD
At Salisbury 2n, the median last spring frost (32°F) is Apr 2 and the median first fall frost is Nov 10, for a typical growing season of 222 days. For a 90% chance that the last frost has passed, wait until Apr 16. Nearby ZIP codes are in USDA hardiness zone 7b.
- Apr 2Last spring frost (median)50% chance of 32°F after this date
- Apr 16Safer planting date10% chance of 32°F after this date
- Nov 10First fall frost (median)50% chance of 32°F by this date
- 222 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 | Mar 30 | Apr 15 | Apr 29 |
| 32°F | Mar 16 | Apr 2 | Apr 16 |
| 28°F | Mar 2 | Mar 20 | Apr 3 |
| 24°F | Feb 17 | Mar 8 | Mar 26 |
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 | Oct 18 | Oct 31 | Nov 11 |
| 32°F | Oct 29 | Nov 10 | Nov 27 |
| 28°F | Nov 8 | Nov 24 | Dec 13 |
| 24°F | Nov 18 | Dec 7 | Jan 1 |
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 | 177 days | 199 days | 219 days |
| 32°F | 202 days | 222 days | 247 days |
| 28°F | 226 days | 249 days | 275 days |
| 24°F | 247 days | 275 days | 304 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 |
|---|---|---|---|
| 21875 | 7b | 5 to 10°F | 5 km |
| 19940 | 7b | 5 to 10°F | 8 km |
| 21830 | 7b | 5 to 10°F | 12 km |
| 19956 | 7b | 5 to 10°F | 16 km |
| 19931 | 7b | 5 to 10°F | 18 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 USC00188004, at 38.4083, -75.5922, elevation 6 m (20 ft).
- Data quality: Estimated from nearby stations (2+ years), 9 years of freeze data.
- Average days per year at or below 32°F: 72.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Salisbury (5 km)
- Salisbury Wicomico Regional Airport (10 km)
- Vienna (22 km)
- Snow Hill 4 N (27 km)
- Ocean City Muni Airport (42 km)
- Assateague (50 km)
- Royal Oak 2 SSW (62 km)
- Patuxent River NAS (73 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.