Garrett County, Maryland
Local growing conditions for Garrett County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 11 ZIP codes in our data.
Hardiness zones in Garrett County
Garrett County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Garrett County for its live forecast, frost dates, and planting calendar:
Mountain Lake Park 21550
Accident 21520
Barton 21521
Bloomington 21523
Friendsville 21531
Jennings 21536
Kitzmiller 21538
Klondike 21539
Accident 21541
Swanton 21561
Franklin 21562
More for Maryland
- Agriculture in Maryland
- Frost dates across Maryland
- USDA hardiness zones explained
- Planting calendar by ZIP code
County growing conditions are compiled from our ZIP-code database, USDA hardiness-zone data, and NOAA climate normals. Conditions vary within a county by elevation and local microclimate. Page updated Aug 4, 2026.