About Acorn Landscapes

Acorn Landscapes is an award winning Landscape Architectural firm in St. Louis Missouri providing environmentally focused, cost effective, community strengthening and beautiful landscapes for both commercial and residential clients.

We offer landscape design services to homeowners, civil engineers, architects and business owners in Missouri and Illinois.  If you need a landscape plan, master plan or planting plan, feel free to reach out to discuss your needs.

Mary Francois Deweese – Principal Landscape Architect

St Louis Landscape Architect

Mary received her Masters degree in Landscape Architecture and Certificate in Community and Regional Planning from Kansas State University with Highest Honors.  She has received recognition for her work from the American Society of Landscape Architects, the Federated Garden Clubs of Missouri, the National Park Service, and the US Green Building Council. She has also taught sustainable site design as an adjunct Professor at Saint Louis University.

She particularly enjoys helping homeowners develop plans for their yards because of the impact this type of design has on the day to day lives of her clients.

Additional Activities and Memberships – current and past:

  • ASLA – American Society of Landscape Architects – Member.
  • US Green Building Council
  • Adjunct Professor Saint Louis University
  • Blog – AcornLandscapesBlog.com
  • Blog – Sprawlstainable.com – Living Green in the Suburbs
  • Winner American Society of Landscape Architects Merit Award for the design of Luther Ely Smith National Park Garden
  • Winner American Society of Landscape Architects Honor Award for the William A. Kerr Foundation 1st Platinum LEED building in the City of St. Louis
  • Greening the Heartland Convention  – Program Committee Member
  • National Garden Clubs – Life Member
  • Federated Garden Clubs of Missouri – Life Member
  • Forsythia Garden Club – Member – Past President
  • Certificate of Emphasis in Community and Regional Planning Kansas State University
  • The American Society of Landscape Architects Graduate Merit Award
  • Outstanding Graduate Researcher Award
  • Dr. Robert P. Ealy Award
  • Federated Garden Clubs of Missouri Scholarship winner
  • Keynote Speaker – Federated Garden Club of Missouri State Convention
  • National Council of State Garden Clubs Scholarship winner
  • Sigma Lambda Alpha National Honor Society – Member.
  • Summa Cum Laude