She was recognized in House & Garden's Hall of Fame in 1930 and elected a Fellow of the American Society of Landscape Architects in 1942.
Her early education consisted of tutors and private schools until she attended Smith College, where she earned her B.A.
When she returned to the U.S. she joined Vitale, Brinckerhoff, and Geiffert, a landscape architecture firm in New York, and was responsible for design and planting supervision.
[2] Flanders lectured extensively to horticultural and botanical societies, women's clubs, and schools.
[citation needed] In 1930, Flanders was recognized in House and Garden's Hall of Fame, and in 1942 she was elected as a Fellow of the American Society of Landscape Architects.