Professional Designers

2021 PHS Philadelphia Flower Show Judges

Jack Blandy

Stoney Bank Nurseries’ founder Jack Blandy is widely recognized as one of the Delaware Valley’s premier landscape designers and horticulturalists. He began forging his path in the landscape and nursery business more than thirty years ago with a Temple University degree in ornamental horticulture. Since then, Jack has been a major exhibitor in the Philadelphia Flower Show—and has won six Best In Show awards, multiple Philadelphia Flower Show Awards, The Buckley Award, The Governors Trophy, and The American Horticultural Society Citation for Garden Design. A Pennsylvania Certified Horticulturalist and an Accredited Pennsylvania Nurseryman, Jack also served on the Flower Show Executive Committee, the Pennsylvania Horticultural Society Council from 1995-2001, and is a past board member and vice chairman of the Pennsylvania Landscape and Nursery Associations’ Foundation of Ornamental Horticulture.

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Abra Lee 

Abra Lee is a speaker, writer, and founder of Conquer the Soil a community that combines history, art, fashion and culture to raise awareness of ornamental horticulture. She has spent a whole lotta time in the dirt as a municipal arborist, extension agent, airport landscape manager, and more. Lee is a graduate of Auburn University College of Agriculture and an alumna of the Longwood Gardens Society of Fellows, a global network of public horticulture professionals. 

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Dan Maffei

Danilo Maffei is the founding principal of Maffei Landscape Design, LLC in Kennett Square, Pennsylvania. With a background in design, public horticulture, landscape contracting, business and civic leadership, he brings to each project a positive and practical perspective on the way gardens enrich our experience and engagement with people and places. His philosophy; gather experiences, not things. Objects alone do not make a garden better. Rather, it is the opportunity for people to meaningfully engage with the outdoors in all of its ephemerality and seasonal transformations that truly elevates the garden from merely functional to truly sublime. In addition to his duties as the leader of his firm, Mr. Maffei is a regular instructor and lecturer in landscape design, a community leader in both volunteer and elected positions and president of the board of directors of the Association of Professional Landscape Designers (APLD), where he was honored as a Fellow.

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Nick McCullough

Nick McCullough has owned and operated McCullough’s Landscape & Nursery, LLC since 1997. Family operated, the business is a blend of his design aesthetic, his family’s midwestern roots, and a genuine love of making exceptional properties truly extraordinary.  Nick also runs a successful blog – “Thinking Outside the Boxwood” – as well as a gardening Pinterest page with almost four million followers.

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Marc Miller 

Marc Miller is interested in relationships between environments, speculation, and public perception. His research examines landscape imagery and worldbuilding as they relate to design practice and patronage. He is especially interested in television and near-future fabulations of landscape and the environment.

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Bill Thomas

Bill arrived at the 48-acre pleasure garden Chanticleer on April Fools’ Day, 2003.  Previously, he was at Longwood Gardens for 26 years, the last five in Research and Production and the prior 21 in Education.  Bill leads the talented and creative Chanticleer staff in its continued development of the young garden, now in its 28th year.  He emphasizes an environmentally sensitive and multi-century approach to the property and is unifying the former estate into one cohesive garden.  The staff and he co-authored The Art of Gardening (Timber Press), recipient of the American Horticultural Society (AHS) Book Award.  Bill helps lead Greater Philadelphia Gardens, promoting the Philadelphia region as “America’s Garden Capital.”  He holds a B.S. and an M.S. in Ornamental Horticulture from the University of Wisconsin-Madison.  He received the Scott Medal and Award in 2017 and the AHS Professional Award in 2016.

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Katy Moss Warner

Katy was Director of Disney's Horticulture and Environmental Initiatives at the Walt Disney World Resort in Florida when she retired in 2000 having worked there since 1976.  Katy Moss Warner is currently an active member of the Bloom & Grow Garden Society in Winter Garden FL.  She led the effort in 2020 to plant “1000 Trees for 1000 Years” at Tucker Ranch.  In 2021, she is co-leading an effort to document heritage trees in Winter Garden as part of the national “Growing Vibrant Communities” program of America in Bloom.  She is also Advisor to the Board of Directors of America in Bloom (AIB), a national not-for-profit organization that promotes nationwide beautification through community involvement. She was President of the Board and is currently a City Judge for AIB.  She has judged cities throughout America and internationally since 2007.

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