maine frost dates, county by county.

Androscoggin County

Last spring: 04-11 · First fall: 11-01

Aroostook County

Last spring: 05-01 · First fall: 10-06

Cumberland County

Last spring: 04-15 · First fall: 11-01

Franklin County

Last spring: 05-10 · First fall: 10-07

Hancock County

Last spring: 04-27 · First fall: 10-21

Kennebec County

Last spring: 04-15 · First fall: 10-31

Knox County

Last spring: 04-14 · First fall: 11-06

Lincoln County

Last spring: 04-14 · First fall: 11-01

Oxford County

Last spring: 04-30 · First fall: 10-08

Penobscot County

Last spring: 04-24 · First fall: 10-18

Piscataquis County

Last spring: 04-29 · First fall: 10-19

Sagadahoc County

Last spring: 04-29 · First fall: 10-19

Somerset County

Last spring: 05-01 · First fall: 10-08

Waldo County

Last spring: 04-27 · First fall: 10-19

Washington County

Last spring: 04-21 · First fall: 10-29

York County

Last spring: 05-02 · First fall: 10-07