[4] Yonnette Fleming joined Hattie Carthan Community Garden, located at Marcy and Lafayette in Brooklyn's Bedford-Stuyvesant neighborhood, in 2003 while working on Wall Street.
[3] In 2009, after an "uphill battle" with the city, she established the Hattie Carthan Community Farmer’s Market in a reclaimed lot next to the main garden.
[2][5] In 2010, along with Karen Washington, Fleming cofounded Farm School NYC as an educational hub to "teach community members how to create their own localized food systems".
[7][8] She teaches inter-generational workshops including cooking, urban farming, herbalism, and plant medicine while focusing on the needs of the community.
[11][9][10] In addition to her work as a food advocate, Fleming is an ordained minister, plant and sound medicine practitioner, reiki master, and herbalist.