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Initiated in 1992, this program recognizes design projects that are exemplary in use of herbaceous perennials to help create balanced and beautiful landscapes. The “after market” applications of our growers’ products and the design, installation, and maintenance of plants in gardens and natural settings are of special interest to the Perennial Plant Association. Both experienced and novice designers are invited to participate.

Each year, judges evaluate many outstanding landscape designs and select the most excellent entries based on the effectiveness of herbaceous perennial plant material used through the implantations of new cultivars, color combinations, textures, and seasonal combinations.

The entries comprise 11 categories based on residential, commercial, educational, temporary/seasonal designs, and price of production.  The judges are professionals in the fields of horticulture and design. If you would like to apply, please fill out our landscape design application.

PPA Landscape Design Classes

Residential
Class I - Less than $5,000
Class II - $5,000 to $25,000


Class III - $25,000 to $100,000
Class IV - More than $100,000

Commercial
Class V - Less than $5,000
Class VI - $5,000 to $25,000


Class VII - $25,000 to $100,000
Class VIII - More than $100,000

Institutional
Class IX - Designs from universities and organizations whose primary focus is not horticulture or landscape design.

Youth
Class X - Designs from elementary and high schools and young individuals or groups

Temporary/Seasonal
Class XI - Gardens that are temporary in nature

2011 Recipients

Click on the name to view photos and descriptions of each entry

Scott Rothenberger
Judges Award
Scott Rothenberger’s PLACE
Barto, Pennsylvania

Bruce Davies
Class IV - Honor Award
Davies Assoc. Landscape Architects, LLC
Parsippany, New Jersey

Doug Ruhren & Edith Eddleman
Class VI - Honor Award
Paul J. Ciener Botanical Garden
Kernersville, North Carolina


Bruce John Riddell
Class IV - Honor Award
Landscape Architect
Bar Harbor, Maine


Karleen Shafer
Class II - Merit Award
Landscape Design & Associates
Howell, Michigan


Scott Rothenberger
Class VI - Merit Award
Scott Rothenberger’s PLACE
Barto, Pennsylvania

Wolfgang Oehme & Carol Oppenheimer
Class VIII - Merit Award
WOCO Organic Gardens, LLC
Baltimore, MD