Dogwood Knoll Design was established in 1985.  It remains a landscape design and consultation firm specializing in residential landscape design incorporating perennials and native plants to enhance the outdoor living spaces enclosed within a garden. 

As owner and principal designer, Sandra J. Sandefur brings a wealth of experience to the drawing table.  A graduate of Kennesaw State University, she was honored as an Alumni Achievement Award winner in the Natural Sciences.  She has served as president of both the Georgia Perennial Plant Association and the Landscape Design Consultants Council of The Garden Club of Georgia.  She has taught classes at both North Metro Technical College and Kennesaw State University Continuing Education Division. 

Lecturing in depth on subjects from pruning, perennial selection and xeriscaping, to native plants, color in the garden, and solutions for common landscape problems, she has enlightened groups both large and small.   

  • A charter member of the Chattahoochee Nature Center, and the Georgia Native Plant Society,

  • A member of the Georgia Perennial Plant Association, American Hydrangea Society, Indian Creek Garden Club affiliate of The Garden Club of Georgia, and

  • A Gardening Consultant, Environmental Consultant, and Landscape Design Consultant of The Garden Club of Georgia. 

As a garden club member, Sandra received the Member Award of Honor in Landscape Design from The Garden Club of Georgia and went on to garner the same award from National Garden Clubs, Inc. for the Deep South Region. 


Phone 770-422-1080
Powder Springs, GA

Serving North Atlanta
Metro Communities
since 1985

Sandra is past chair and program director of the famed Cullowhee Native Plant Conference

and past president of the Georgia Perennial Plant Association

Credentials of the Designer

Sandra has lectured at the

  • Atlanta Botanical Garden

  • State Botanical Garden in Athens, Georgia

  • Georgia Perimeter Botanical Garden,

  •  Callaway Gardens,

  •  Ferrington Garden,

  • Southeastern Flower Show

  •  Cullowhee, North Carolina Native Plants in the Landscape Conference, where she also served as conference director.

    Read Sandra's Advice on

    Bulbs for the Garden

    Enhancing the Subtle Redbud


Explore the surprising beauty of native plants

in your garden.

In addition to designing, Sandra continues to produce articles for NativeSCAPES and Perennial Notes, the newsletters of their respective organizations, and contributed two chapters on native plants for the regional gardening book Gardening ‘Round Atlanta.  Sandra personally gardens on ten acres in West Cobb County where every return home is a retreat to nature.