❄When Is the Last Frost?

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New Hampshire frost dates: J

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City	Last frost	First frost	Season	Zone
Jackson	May 18	Oct 1	136 d	5a
Jaffrey	May 5	Oct 6	154 d	6a
Jefferson	May 8	Oct 1	146 d	4b

A B C D E F G H I J K L M N O P R S T U W

When Is the Last Frost — frost dates and planting calendars for every US ZIP code, from NOAA 1991–2020 climate normals.

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