The Ann Fletcher Trophy
for the best horticulture project entry

| 2021 | Deborah de la Gueronniere |
| 2019 | Pam Healey & Christl Meszkat |
| 2014 | Nancy Stone |
| 2010 | Sharon Giese |
| 2009 | Lisa Gillespie |
| 2006 | Beth Treadway |
| 2004 | Beth Treadway & Marilyn Hamer |
| 2002 | Nancy Stone |
| 2001 | Christl Meszkat & Nancy Stone |
| 2000 | Ellen Irving |
| 1999 | Dominique Buaron & Margaret D. Sullivan |
| 1996 | Nancy Stone |
| 1995 | Nancy Stone |
| 1994 | Margaret D. Sullivan |
| 1992 | Laurie Carson |
| 1991 | Ann B. Swint |
| 1990 | Laurie Carson |
| 1989 | Anne McIlvaine |
| 1987 | Ann B. Swint |
| 1986 | Frances Humphrey |
| 1985 | Diane B. Benjamin |
| 1984 | Luise B. Schoen |
