Local Master Gardener Programs

Contact your local Master Gardener Program for volunteer requests, becoming a Master Gardener, and upcoming local programming.  

Allegany County

Allegany County Extension Office
One Commerce Drive
Cumberland, MD 21502
Fax: 301-722-4015


Anne Arundel County

Anne Arundel County Extension Office
97 Dairy Lane
Gambrills, MD 21054
Fax: 410-222-3909

Christie Germuth 

ckneipp@umd.edu | 410-222-3900
Administrative Assistant II


Baltimore City

Baltimore City Extension Office
6615 Reisterstown Road, Suite #201
Baltimore, MD 21215

Marcus Williams 

mwilli65@umd.edu  | 410-856-1850
Master Gardener Coordinator


Baltimore County

Baltimore County Extension Office
1114 Shawan Road
Cockeysville, MD 21030

Jean Bosley | jbosley@umd.edu | 410-887-8090
Administrative Assistant II


Calvert County

Calvert County Extension Office
30 Duke St., Rm 103 (Deliveries)
PO Box 486 (Mailings)
Prince Frederick, MD 20678

Edward Goodman 

egoodma4@umd.edu | 410-251-5510
Program Assistant 


Carroll County

Carroll County Extension Office
700 Agriculture Center
Westminster, MD 21157
Fax: 410-876-0132

Sue Christensen

schris12@umd.edu | 410-386-2760
Extension Program Assistant

Cecil County

Cecil County Extension Office
Cecil Co. Administrative Bldg. #1500
200 Chesapeake Blvd.
Elkton, MD 21921
Fax: 410-995-5285

Doris Behnke 

dbehnke@umd.edu | 410-996-5280
Senior Agent Associate, Master Gardener Coordinator


Charles County

Charles County Extension Office
9501 Crain Highway, Box 1
Bel Alton, MD 20611
Fax: 301-753-1857

Kaitlyn Baligush | kbaligus@umd.edu | 301- 934-5404
Extension Program Assistant, Master Gardener Coordinator


Dorchester County

Dorchester County Extension Office
PO Box 299
County Building, 501 Court Lane
Cambridge, MD 21613

Emily Zobel 

ezobel@umd.edu | 410-228-8800
Senior Agent Associate, Master Gardener Coordinator


Frederick County

Frederick County Extension Office
330 Montevue Lane
Frederick, MD 21702

Susan Trice 

strice@umd.edu | 301-600-1596
Principal Agent Associate, Master Gardener Coordinator


Garrett County

Garrett County Extension Office
1916 Maryland Highway, Suite A
Mt. Lake, MD 21550
Fax: 301-334-6960

Ashley Bachtel-Bodkins 

abachtel@umd.edu | 301-334-6960
Senior Agent Associate, Master Gardener Coordinator

Harford County

Harford County Agricultural Center
3525 Conowingo Road
Street, MD 21154
Fax: 410-638-3053

Joyce Browning 

jbrowni3@umd.edu | 410-638-3255
Extension Program Assistant, Master Gardener Coordinator


Howard County

Howard County Extension Office
3300 N Ridge Road, Suite 240
Ellicott City 21043

Madeline (Maddie) Potter

MPotter@umd.edu | 410-313-1913
Master Gardener Coordinator


Kent County

Kent County Extension Office
709 Morgnec Road
Chestertown, MD 21620

Darcey Schoeninger

dschoeni@umd.edu | 410-778-1661
Extension Program Assistant


Montgomery County

Montgomery County Extension Office
18410 Muncaster Road
Derwood, MD 20855

Steve Dubik | sdubik@umd.edu | 301-590-2836
Horticulture Consultant, Master Gardener Coordinator


Prince George's County

Prince George's County Extension Office
6707 Groveton Drive
Clinton, MD 20735
Fax: 301-599-6714

Esther Mitchell 

Master Gardener Coordinator


Queen Anne's County

Queen Anne's County Extension Office
505 Railroad Avenue, Suite 4
Centreville, MD 21617
Fax: 410-758-3687

Rachel Rhodes 

rjrhodes@umd.edu | 410-758-0166
Senior Agent Associate, Master Gardener Coordinator


St. Mary's County

St. Mary's County Extension Office
26737 Radio Station Way, Suite E-2
P.O. Box 663
Leonardtown, MD 20650
Fax: 301-475-4483

Mariah Dean 

mrdean@umd.edu | 301-475-4120
Master Gardener Coordinator


Talbot County

Talbot County Extension Office
28577 Mary's Court, Suite 1
Easton, MD 21601
Fax: 410-822-5627

Mikaela Boley 

mboley@umd.edu | 410-822-1244
Senior Agent Associate, Master Gardener Coordinator


Washington County

Washington County Extension Office
7303 Sharpsburg Pike
Boonsboro, MD 21713
Fax: 301-791-1048

Annette Cormany 

acormany@umd.edu | 301-791-1604
Principal Agent Associate, Master Gardener Coordinator


Wicomico, Worcester, and Somerset Counties

Lower Eastern Shore Master Gardener Program
P.O. Box 1836
28647 Old Quantico Road
Salisbury, MD 21802

Ginny Rosenkranz 

rosnkrnz@umd.edu | 410-749-6141
Principal Agent Associate, Master Gardener Coordinator