Extension > Garden > About Extension horticulture programming
About Extension horticulture programming
The University of Minnesota Extension horticulture team brings University research and information to gardeners and commercial growers on topics such as plant selection, cultivation, pest and disease control, and success in cold climates. Extension faculty and Extension's Master Gardener volunteers help advance sustainable landscapes, safe food systems, and a robust horticulture industry in Minnesota.
For home gardeners:
For commercial growers:
Horticulture team
Roger Becker
Extension Agronomist, Weed Science
becke003@umn.edu
612-625-5753411 Borlaug Hall
1991 Upper Buford Circle
St. Paul, MN 55108-
Janelle Daberkow
Extension Educator, Horticulture
kuec0022@umn.edu
320-255-6169UM Ext Stearns County
Midtown Office Bldg, 3400 First St N, Ste 103
St. Cloud, MN 56303 -
Helyne Davenport-Hagen
County Master Gardener Program Coordinator
daven033@umn.edu
763-767-2878UM Ext Anoka County
Bunker Hills Act Center, 550 Bunker Lake Blvd NW
Andover, MN 55304 -
John Erwin
Extension Horticulturist, Floriculture
erwin001@umn.edu
612-624-9703Horticulture Science
460 Alderman Hall, 1970 Folwell Ave.
St. Paul, MN 55108 
Karl Foord
Extension Educator, Horticulture
foord001@umn.edu
651-480-7723UM Ext Regional Ofc Farmington
Dakota Co Ext and Cons Ctr, 4100 220th St W, Ste 100
Farmington, MN 55024-
Vincent Fritz
Extension Horticulturist, Vegetables
vafritz@umn.edu
507-835-3620So Research/Outreach Ctr
35838 120th Street
Waseca, MN 56093 -
Jeffrey Gillman
Nursery Management
gillm003@umn.edu
612-624-7432Horticulture
164 Alderman Hall, 1970 Folwell Ave.
St. Paul, MN 55108 
Michelle Grabowski
Extension Educator, Horticulture
magrabow@umn.edu
651-319-2551UM Ext Regional Ofc Andover
Bunker Hills Act Ctr L-1, 550 Bunker Lake Blvd NW
Andover, MN 55304
Jeffrey Hahn
Extension Entomologist
hahnx002@umn.edu
612-624-4977Entomology
236 Hodson Hall, 1980 Folwell Ave.
St. Paul, MN 55108
Tana Haugen-Brown
Extension Educator and Co-Coordinator, Pesticide Safety and Environmental Education
thbrown@umn.edu
763-260-4423UM Ext Regional Ofc St. Cloud
Midtown Office Complex, 3400 1st St N, Ste 400
St. Cloud, MN 56303-
Emily Hoover
Extension Horticulturist
hoove001@umn.edu
612-624-6220Horticulture Science
160 Alderman Hall, 1970 Folwell Ave.
St. Paul, MN 55108 -
Brian Horgan
Associate Professor and Extension Turfgrass Specialist
bphorgan@umn.edu
612-624-0782Horticulture
254 Alderman Hall, 1970 Folwell Ave.
St. Paul, MN 55108 
William Hutchison
Extension Entomologist
hutch002@umn.edu
612-624-1299Entomology
520 Hodson Hall, 1980 Folwell Ave.
St. Paul, MN 55108
Sarah Jaycocks
Ramsey County Master Gardener Coordinator
jayco004@umn.edu
651-704-2063UM Ext Ramsey County
2020 White Bear Avenue N
St. Paul, MN 55109-
Vera Krischik
Extension Entomologist
krisc001@umn.edu
612-625-7044Entomology
424 Hodson Hall, 1980 Folwell Ave.
St. Paul, MN 55108 
Mary Meyer
Extension Horticulturist
meyer023@umn.edu
952-443-1447Minnesota Landscape Arboretum
3675 Arboretum Blvd
Chaska, MN 55318-
Randy Nelson
Extension Educator, Horticulture
nels1657@umn.edu
218-299-5020UM Ext Clay County
715 11 St N Ste 107B, PO Box 280
Moorhead, MN 56561 
Terrance Nennich
Extension Educator, Horticulture
nenni001@umn.edu
218-281-8690UM Ext Rgnl Ofc Crookston
251 Owen Hall, 2900 University Ave.
Crookston, MN 56716
Marla Spivak
Extension Entomologist
spiva001@umn.edu
612-624-4798Entomology
530A Hodson Hall, 1980 Folwell Ave.
St. Paul, MN 55108
Terrence Straub
Hennepin County Master Gardener Program Coord
strau097@umn.edu
612-596-2130UM Ext Hennepin Cnty
479 Prairie Center Dr, Ste 2
Eden Prairie, MN 55344-
Cindy Tong
Extension Post-Harvest Horticulturist
c-tong@umn.edu
612-624-3419Horticulture Science
434 Alderman Hall, 1970 Folwell Ave.
St. Paul, MN 55108 
Julie Weisenhorn
State Master Gardener Director and Extension Educator, Horticulture
weise019@umn.edu
612-625-1925Horticulture
158 Alderman Hall, 1970 Folwell Ave.
St. Paul, MN 55108
Kathryn Zuzek
Extension Educator, Horticulture
zuzek001@umn.edu
651-480-7739UM Extension Rgnl Ofc Farmington
Dakota Co Ext and Cons Ctr, 4100 220th St W Ste 100
Farmington, MN 55024
