Montgomery County, Pennsylvania
Local growing conditions for Montgomery County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 58 ZIP codes in our data.
Hardiness zones in Montgomery County
Montgomery County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Montgomery County for its live forecast, frost dates, and planting calendar:
East Greenville 18041
Green Lane 18054
Hereford 18070
Red Hill 18073
Woxall 18074
Red Hill 18076
Montgomeryville 18915
Montgomeryville 18936
Souderton 18964
Telford 18969
Roslyn 19001
Spring House 19002
Bala Cynwyd 19004
Bryn Athyn 19006
Bryn Athyn 19009
Oak Lane 19012
Fort Washington 19025
Elkins Park 19027
Flourtown 19031
Fort Washington 19034
Philadelphia 19035
Glenside 19038
Hatboro 19040
Horsham 19044
More for Pennsylvania
- Agriculture in Pennsylvania
- Frost dates across Pennsylvania
- USDA hardiness zones explained
- Planting calendar by ZIP code
← All counties in Pennsylvania
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.