maryland frost dates, county by county.

Allegany County

Last spring: 04-03 · First fall: 11-03

Anne Arundel County

Last spring: 03-14 · First fall: 11-28

Baltimore city

Last spring: 03-11 · First fall: 12-05

Baltimore County

Last spring: 03-22 · First fall: 11-20

Calvert County

Last spring: 04-02 · First fall: 11-06

Caroline County

Last spring: 03-30 · First fall: 11-11

Carroll County

Last spring: 04-09 · First fall: 10-31

Cecil County

Last spring: 03-27 · First fall: 11-13

Charles County

Last spring: 03-17 · First fall: 11-22

Dorchester County

Last spring: 03-27 · First fall: 11-17

Frederick County

Last spring: 03-21 · First fall: 11-21

Garrett County

Last spring: 04-25 · First fall: 10-24

Harford County

Last spring: 03-29 · First fall: 11-10

Howard County

Last spring: 03-25 · First fall: 11-21

Kent County

Last spring: 03-21 · First fall: 11-17

Montgomery County

Last spring: 03-22 · First fall: 11-19

Prince George's County

Last spring: 03-30 · First fall: 11-10

Queen Anne's County

Last spring: 03-21 · First fall: 11-17

Somerset County

Last spring: 03-20 · First fall: 11-24

St. Mary's County

Last spring: 03-19 · First fall: 11-29

Talbot County

Last spring: 03-20 · First fall: 11-20

Washington County

Last spring: 03-31 · First fall: 11-09

Wicomico County

Last spring: 03-21 · First fall: 11-21

Worcester County

Last spring: 03-29 · First fall: 11-11