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Returning LIVE for 2025!
Friday, August 29, 2025
Delaware Valley University
FEATURING:
David Hughes, RLA, Weatherwood Design
David Hughes is a Registered Landscape Architect and owner of Weatherwood Design LLC, a business specializing in native plant-based garden design and ecological/natural habitat conservation. For 35 years, he’s designed and implemented practices that combine human needs with nature’s needs, helping both achieve a functioning and balanced state.
Michael McGraw, Senior Wildlife Biologist, Princeton Hydro:
Michael McGraw is a Senior Wildlife Biologist and Ecologist. Since 2002, Michael has performed an extensive variety of reptile, amphibian, and avifaunal surveys in the Eastern and Midwestern U.S. with a strong emphasis on endangered, threatened, and species of concern. He is currently managing and functioning as a lead biologist on a variety of projects, including wildlife surveys, ecological assessments, threatened and endangered species surveys, population biology research, wetland mitigation, sensitive habitat restoration, FAA-mandated wildlife hazard management plans for airports, land management and site master planning, and regenerative agriculture.
Will Ryan, Ph.D., Director of Horticulture and Land Stewardship, Tyler Arboretum
Will Ryan is a plant ecologist with over 25 years of experience in ecosystem research and management in the Mid-Atlantic and New England regions. He holds a Ph.D. in Ecology (under the co-advisement of Doug Tallamy and Roger Latham) and an M.S. in Physical Geography with a focus on ecohydrology. His current role as Director of Horticulture and Land Stewardship at Tyler Arboretum, in Media, PA, involves the care of 100 acres of historic gardens and collections and 550 acres of biodiverse natural areas. In the preceding decade, he served as Senior Ecosystem Scientist at Nelson Byrd Woltz Landscape Architects in New York and Restoration Ecologist at the Academy of Natural Sciences in Philadelphia. His work has focused on landscapes ranging from globally rare grasslands of a few acres to complex landscapes of several thousand acres in the Blue Ridge of VA and Hudson Valley of NY. Among his facets of expertise are conducting baseline ecological conditions documentation, drafting land stewardship plans, and providing design and implementation oversight of ecological restoration projects. In his spare time, he enjoys being a father, biking, hiking, and botanical photography.
Donald Pell, Horticulturist - Garden Designer, Donald Pell Gardens
For over 30 years, Donald Pell has been reshaping landscapes throughout the Mid-Atlantic US by juxtaposing what we know with the unexpected, creating an endless wonder of visual possibility. An award-winning designer, horticulturist and lecturer, Don has gained prominence by inspiring clients to abandon the ordinary for adventurous, immersive landscapes. Don has taught at Longwood Gardens, and presented at the Delaware Botanical Gardens, to horticultural groups and at conservancy trusts throughout the US. His landscapes have won prestigious awards from the Perennial Plant Association, as well as Gold and Silver Awards for Design from the Association of Professional Landscape Designers (APLD).
Nancy Lawson, Founder, The Humane Gardener
Nancy Lawson is the author of The Humane Gardener: Nurturing a Backyard Habitat for Wildlife and Wildscape: Trilling Chipmunks, Beckoning Blooms, Salty Butterflies, and other Sensory Wonders of Nature. A nature writer, habitat consultant, public speaker, and founder of The Humane Gardener, she pioneers creative wildlife-friendly landscaping methods. Certified as a Chesapeake Bay Landscape Professional and volunteer master naturalist, Nancy co-chairs Howard County Bee City in Maryland and co-launched a community science project, Monarch Rx, after discovering a little-known butterfly behavior in her own garden. Her habitat and books have been featured in Science Magazine, The New York Times, The Washington Post, Oprah magazine, Entomology Today, Ecological Entomology, American Gardener and on numerous radio shows and podcasts. Her most recent book, Wildscape, received an honorable mention in the American Horticultural Society's national book awards and was a finalist for the 2024 AAAS/Subaru Prize for Excellence in Science Books.
Continuing Education Credits
- APLD - 5.0
- LA CES™ - 5.0
- NJNLA - Environment - 1.5, Plant - 0.5, Professional - 3.0
- PLNA - 5 PCH and 5 SLC
- VLNA - 5.0
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Are you interested in supporting this educational event?
You can find the LES Sponsorship Online Form here, or by following the QR code below.
Land Ethics Award
Purpose of Award:
The Land Ethics Award honors and recognizes the creative use of native plants in the landscape, sustainable and regenerative design, and ethical land management and construction practices.
Who is eligible for nomination?
Nominations may be private individuals, businesses, design professionals including landscape architects and site engineers, conservation and preservation organizations and local, state and federal agencies involved with environmental protection. School groups may also be nominated for relevant team projects.
Individuals, non-profit organizations, government agencies, community groups, and business professionals are encouraged to apply. Application projects must be a minimum of six months year and a maximum of four years old.
Judging/Selection Process:
The recipient will be selected by a jury of professionals in the field of design, preservation and conservation. The Land Ethics Award will be presented at the Land Ethics Symposium on Friday, August 29, 2025.
Nominations are currently open through July 1, 2025
One highlight each year is the announcement of this year’s Land Ethics Awards, which honor and recognize the creative use of native plants in the landscape; sustainable and regenerative design; and ethical land management and construction practices.
With the recent push to revitalize the landscape on a more local and individual scale, this year’s judges chose winners whose actions reflect that ethos. No matter the size of your own landscape, the Preserve encourages you to use native plants, exhibit a strong land ethic and promote sustainable designs that protect the environment.
Past Award Winners
2025 Land Ethics Symposium Sponsors
PRESENTED BY
SPONSORS
Partners
Supporters

Friends
Ernst Conservation Seeds
Larry Weaner Landscape Associates
Pennsylvania Native Plant Society