2025: Denver Botanic Gardens: Rock Alpine Garden
2024: New York Botanical Garden
2023: Dalhousie University Bicentennial Botanical Garden (NS, CAN)
2022: Wave Hill (NY) and Wurster Memorial Garden (NY)
2021: Betty Ford Alpine Garden (CO)
2020: Tilden Park Arboretum and Botanic Garden (CA)
2019: Allen Centennial Garden, University of Wisconsin, Madison (WI)
2018: Memorial University of Newfoundland Botanical Garden (CAN)
2025: Rudy RIggs & Jim Phillips (Woodland Garden) (NC)
2025: Randy & Carol Shinn (Alpine Rock Garden) (CO)
2024: Ellen Hornig (MA)
2023: Kobre/Denson Garden (Special Garden Category) (NY)
2023: Lee & Arie Vanspronsen (Alpine Garden Category) (ON, CAN)
2022: Jan Sacks and Marty Schafer (MA), Bill Stark and Mary Stauble (NY), Chris and Jane Byra (CAN)
2021: Tony Stireman (UT)
2020: John Ray (MD), Robin Magowan and Juliet Mattila (NM)
2019: Darren Heimbecker (CAN)
2018: Elisabeth and Rod Zander (CT)
2017: Tony Avent (NC), Nancy Goodwin (NC)
2016: Jacques and Andrea Thompson (CT), Shirley Friberg (MN)
2015: John Stireman (UT), Anton Reznicek (MI), George Newman (NH), Don LaFond (MI)
2014: Judi Dumont (NY)
2013: Ev Whittemore (NC), Audrey and Robert Faden (VA), Joe and Beverly French (NC)
2012: Patricia Highberg (VT), David and Wendy Sellars (CAN)
2011: Anne Spiegel (NY)
2010: Sandy Snyder (CT)
2009: Carl Gehenio (NY), Lawrence Thomas (NY)
2025: Rebecca Lance
2024: David Pulman (GA) & Jeremy Schmidt (AL)
2023: Linda Cochran (WA)
2022: Kathy Purdy (NY)
2021: Mike Smedley (CO)
2020: Adam Black (TX)
2019: Glenn Shapiro (UK)
2016: John Mitchell (UK)
2015: Gwen Moore (CO)
2014: Dieter Zschummel (Germany), Don LaFond (MI)
2013: Mike Bone (CO)
2012: Stephanie Ferguson (CAN)
2011: Charles Hipkin (UK)
2010: Panayoti Kelaidis (CO)
2009: Andrew Osyany (CAN)
2008: Kristl Walek (CAN)
2024: Panayoti Kelaidis (CO), David White (NC)
2023: Laura Serowicz (MI), Roslyn Duffus (NS, CAN)
2022: Carol Eichler (NY)
2021: Elisabeth Zander (CT)
2018: Anna Leggatt (CAN)
2017: Bobby Ward (NC)
2009: Michael Slater (PA)
2008: Ernie Boyd (CAN)
2003: Joyce Fingerut (CT)
2002: Marion Jarvie (CAN)
2000: Jacques Mommens (NY)
1999: Lawrence Thomas (NY)
1997: Shaila Paulson (CAN)
1992: Byard LeRoy Davidson (WA)
1991: Ted Kipping (CA)
2025: Marcela Ferreyra, Cecilia Ezcurra, & Sonya Clayton (all from Argentina)
2024: Margaret "Maggi" Young (UK)
2023: John Massey (UK), Paul Spriggs (BC, CAN), Kenton Seth (CO)
2022: Vojtech Holubec (Czech Republic), Elizabeth Lawson (NY)
2021: Brian Bixley (CAN)
2020: Joseph Tychonievich (VA)
2015: Lori Chips (CT)
2014: Abbie Zabar (NY), John Watson and Anita de Flores Watson (UK)
2009: Jane McGary (OR)
2005: Robert Nold (CO)
2002: Rex Murfitt (CAN)
2001: Donna Balzar (CAN)
2000: Verna Pratt (AK)
1999: Trevor Cole (CAN)
1997: Frederick W. Case II (MI)
1993: Norman C. Deno (PA)
1990: Geoffrey B. Charlesworth (MA)
1989: Mabel G. Harkness (NY)
1986: Brian Mathew (UK)
1985: Mark McDonough (MA)
2025: William Cullina (PA)
2025: Bart O'Brien (CA)
2025: Gabriela Costea (CAN)
2023: Adam Black (NC)
2021: Al Schneider (CO), Rocky Mountain Biological Laboratory (CO)
2020: Joyce Fingerut (CT)
2018: Todd Boland (CAN)
2017: Anton Reznicek (MI)
2016: Mike Kintgen (CO)
2012: James Locklear (NE)
2010: Loraine Yeatts (CO)
2009: James Reveal (NY)
2006: Marilyn Light (CAN)
2000: Sean Hogan (OR)
1999: William Weber (CO)
1995: Brian Matthew (UK)
1994: Noel Holmgren (NY)
1993: Faith P. Mackaness (OR)
1991: Richard Jaynes (CT)
1989: Laura Louise and H. Lincoln Foster (CT), Arthur R. Kruckeberg (WA)
1986: Panayoti Kelaidis (CO)
1984: C. Ritchie Bell (NC)
1982: Ruth Ashton Nelson (WY)
1980: John T. Mickel (NY)
1976: C. Leo Hitchcock (WA)
1974: Frederick W. Case II (MI)
1973: Claude Arno Barr (SD)
2025: Urs Baltensperger (OR)
2024: Kevin Vaughn (OR)
2023: Sue Milliken & Kelly Dodson (WA), Esther Wrightman (NB, CAN)
2022: Darrell Probst (MA)
2021: Bill Adams (CO)
2020: Esther Benedict (IN)
2018: Karen Lehrer and Kirk Fieseler (CO)
2017: Richard Dufresne (NC)
2014: David Salman (NM) and Steve Hootman (WA)
2013: John Spain (CT)
2011: Alan Bradshaw (CO)
2009: Harvey and Irene Wrightman (CAN)
2006: Roger and Debbie Barlow, (CAN)
2005: Ron Ratko (WA)
2004: Dan Hinkley (WA)
2000: Rick Lupp (WA)
1999: Tony Avent (NC)
1998: Charles Oliver (PA)
1997: Betty Lowry (WA)
1996: Sally Walker (AZ)
1995: Josef Halda (Czech Republic)
1994: Panayoti Kelaidis (CO)
1993: Rene Duval and Richard Weaver (NC)
1991: J.C. Raulston (NC)
1989: Floyd McMullen (OR)
1988: James E. Cross (NY)
1987: Baldassare Mineo and Jerry Cobb Colley (OR)
1986: Stephen G. Doonan and Phil Pearson (WA)
1985: William J. Hamilton (NY)
1984: Bruce and Thomas Shinn (NC)
1983: Robert Putnam (WA)
1982: T. Paul Maslin (CO)
1981: Wayne Roderick (CA)
1980: Marjorie A. Walsh (ME)
1979: H. Lincoln Foster (CT)
1977: Joel Spingarn (NY)
1976: Charles Thurman (WA)
1974: Rupert Barneby and Dwight Ripley (NY)
1973: Edward H. Lohbrunner (CAN)
1972: Byard LeRoy Davidson (WA)
1971: Hazel and Don Smith (NJ)
1970: Margaret J. Williams (OR)
1969: Lawrence P. Crocker and Boyd C. Kline (OR)
2025: Shane Smith (CO), Kiamara Ludwig (CA), Karen Vail (CO)
2024: Todd Boland (CAN), Dave Collura (WI), Richard Lane (NC)
2023: Betty Spar (AZ), Paul Spriggs (BC, CAN), Darwin Carr (NS, CAN)
2022: Jeremy Schmidt (NC)
2021: Mariel Tribby (MO), Nick Courtens (CO), Gayle Lehman (CO)
2020: Peter George (MA), Michael Guidi (CO)
2019: Carol Clark (CAN)
2018: Bodil Larsen (CAN)
2017: David White (NC), Tim Alderton (NC)
2016: Kenton Seth (CO), Nicola Ripley (CO)
2015: Leonard Lehman (PA)
2014: Robin Magowan (NM), Ben Burr (NY), Bill Adams (CO), Daniel Dillon (CAN)
2013: Laura Serowicz (MI), Dick Bartlett (CO), Grazyna Grauer (OH), Randy Tatroe (CO)
2012: Alice Nicolson (VA), Al Deurbrouck (PA), Michael Slater (PA)
2011: Cheryl Philstrom (MN), Jacques Thompson (MI)
2010: Mike Kintgen (CO), Ed Glover (WI), Nick Klise and Morris West (PA)
2009: Jan and David Dobak (OR), Phyllis Gustafson (OR), Richard Rosenberg (NY)
2007: Joyce Fingerut (CT), John Bieber (NY)
2006: Bernard Jackson (CAN)
2005: Iza Goroff (WI)
2004: Charles Griffith (MN), Bobby Ward (NC)
2003: Tony Reznicek (MI)
2002: Harry Dewey (VA)
2001: James Jones (MA)
2000: Patricia and John Bender (WA)
1999: Robert Bartolomei (NY), William Weber (CO)
1998: Jane McGary (OR), Andrew Pierce (CO), Thomas W. Stuart (NY), Wayne Roderick (CA)
1997: Gwen Kelaidis (CO), Alice Lauber (WA)
1996: Helga Andrews (MA), Don Humphrey (VA), David Vesall (MN), Carole Wilder (MN)
1995: Marion (Marnie) Flook (MD), James Minogue (VA)
1994: Ev Whittemore (NC), Barry Yinger (PA)
1993: Nancy Ballard (WA), Waid Vanderpoel (IL)
1992: Robert Means (MA)
1991: John Wurdack (MD)
1990: Catherine Hull (MA)
!989: Carl Gehenio (PA), Howard W. Pfeifer (CT)
1988: Howard N. Porter (CT)
1987: Joan Sander Benfield, Harry Butler (OH), Geoffrey B. Charlesworth (MA)
1985: Donald E. Havens (WI), Norman Singer (MA)
1984: Marvin E. Black (WA)
1983: Betty Ann Mech (MN)
1982: Francis H. Cabot (NY), Panayoti Kelaidis (CO), George M. Schenk (WA), Sharon F. Sutton (WA)
1981: Hans Asmus (WI), Bozidar ‘Ted’ Berginc (WI), Victor Reiter (CA), Aline Strutz (AK)
1980: Olga and Clifford G. Lewis (WA), Jeanne and Milton S. Mulloy (CT)
1979: Laura Louise Foster (CT)
1978: Norman C. Deno (PA), Madalene Modic (PA), Brian O. Mulligan (WA), Sallie Allen (WA)
1977: Elmer Baldwin (NY), Katheryne E. Boydston (MI), Henry R. Fuller (CT), Frances Kinne Roberson (WA)
1976: Anita Kistler (PA), James McPhail and Bob Woodward (CAN), Lee M. Raden (PA)
1974: Richard Redfield (NJ)
1973: Ellie B. Spingarn (CT), Roxie Gevjan (PA), Bernard Harkness (NY)
1972: Alex D. Reid (NJ)
1971: Elizabeth Lawrence (NC)
1970: H. Lincoln Foster (CT), Albert Merle Sutton (WA), John P. Osborne (CT)
1969: Betty Jane Haywood (ME), Robert M. Senior (OH)
1968: Dorothy Ebel Hansell (NJ), Zenon Schreiber (NJ)
1967: Grace F. Dowbridge (ME), Doretta Klaber (PA), Frank H. Rose (MT), Mrs. Lester Rowntree (CA)
1966: Edith and Carl S. English, Jr. (WA), Harold Epstein (NY), Carleton R. Worth (NY)
1965: Claude Arno Barr (SD), Mrs. A.C.U. Berry (OR), Will Curtis (MA), Guy G. Nearing (NY), Edgar T. Wherry (PA)
2023: Dalhousie Agricultural Campus Bicentennial Rock Garden (NS, CAN)