Harman US

Vermont Frost Dates

Vermont has a cool, often compact growing season, with mountains and sheltered hollows strongly influencing when frost comes and goes. Valley gardens can gain a little extra time, but much of the state needs patience in spring and a close eye on autumn cold.

Look up your exact frost dates

Frost timing shifts across Vermont with elevation and distance from water. Enter your ZIP code for dates from your nearest weather station.

Vermont locations

ZIPAreaHardiness zone
05038 Chelsea 5a
05052 North Hartland 5a
05142 Cavendish 5b
05150 North Springfield 5b
05261 Pownal 5b
05403 South Burlington 5a
05439 Winooski 5a
05450 Enosburg Falls 4b
05486 South Hero 5b
05656 Johnson 5a
05661 Morrisville 4b
05663 Northfield 5a
05664 Northfield 5a
05667 Plainfield 5a
05682 Worcester 5a
05767 Rochester 5a
05769 Middlebury 5a
05846 Island Pond 4a
05855 Newport 4b
05867 Sutton 4b
05001 Hartford Village 5a
05009 White River Junction 5a
05030 Ascutney 5b
05031 South Royalton 5a
05032 Bethel 5a
05033 Bradford 5a
05034 West Woodstock 5a
05035 Killington Village 5a
05036 Williamstown 5a
05037 Windsor 5a
05039 Chelsea 5a
05040 Newbury 5a
05041 Chelsea 5a
05042 Groton 4b
05043 Hanover 5a
05045 Fairlee 5a
05046 Groton 4b
05048 Hartland 5a
05050 Barnet 4b
05051 Newbury 5a
05053 Quechee 5a
05055 Norwich 5a
05056 Ludlow 5b
05058 Fairlee 5a
05059 Quechee 5a
05060 Randolph 5a
05061 Randolph 5a
05062 South Woodstock 5b
05065 South Royalton 5a
05067 Woodstock 5a
05068 South Royalton 5a
05069 Groton 4b
05070 Norwich 5a
05071 South Woodstock 5b
05072 Chelsea 5a
05073 Quechee -
05075 Fairlee 5a
05076 Groton 5a
05077 Chelsea 5a
05079 Chelsea 5a

Source: NOAA 1991–2020 U.S. Climate Normals (public domain) and USDA 2023 Plant Hardiness Zone Map. Page updated Aug 4, 2026.