Time in Knox County:

2019 Office Hours
Mon, Tue, Thu, Fri: 8:30 am - 4:30pm (mostly)
Wed: 9:00am - 2:30pm

* We try hard to be in the office between 8:30am and 4:30pm on Mon, Tue, Thu, & Fri, but please call ahead to be sure!

893 West St (Rt 90)
Rockport, ME 04856


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    Maine Plant Hardiness Zone Map

    In 2012, USDA issued new Plant Hardiness Zone Maps. Plant hardiness zones have changed since the last map (2002) with most regions 5 degrees F (or 1/2 zone) warmer. Click here for USDA article about the new zones.

    In addition to the Maine map below, an interactive map is available at http://planthardiness.ars.usda.gov.

    For a printable Maine zone map, click here.