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DNLA:
Leading The Green Industry in Delaware

The DNLA was founded in 1973 and has since become a leader in Delaware’s $745 million Green industry. We are a non-profit trade organization that serves Delaware’s horticultural related businesses and the companies that supply them.  Our website includes resources, education, and a niche business directory for both Homeowners and Industry Professionals.

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Homeowners

From landscaping to snow removal, browse our directory to find trusted professionals

For Homeowners

Professionals

Browse our resources, Certifications, Job Postings, or Become a Member of The DNLA.

For Professionals

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Download our latest MEMBER DIRECTORY, it’s free!

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Sponsor Spotlight

Thanks to our sponsors who support the DNLA. Because of them, we are able to provide invaluable resources to our members, host industry-leading events, and advocate for the future of horticulture, landscaping, and environmental stewardship.

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Professional Services: Member Directory

Services Offered Through Our Trusted Network of Professionals

Landscape Awards

Each year, two plants (one woody, one herbaceous) are chosen as a DELAWARE PLANT OF THE YEAR. These plants were nominated and selected by a committee of green industry professionals, educators, writers and trade association executives. To be selected, plants must meet the following criteria: hardy in Delaware; few disease and insect problems; non-invasive; adapts to a variety of landscape uses; possesses horticultural assets such as flower, fruit, leaf, habit, structure, attractiveness to wildlife, etc.; currently under-used in Delaware landscapes; available from Delaware growers, nurseries, and garden center outlets.