In an effort to serve our community, we are currently taking call-in orders for mulch only to be delivered. This offer is for residential customers only and will be fulfilled by our Abby Wholesale Division in Accokeek, MD. To place a delivery order please call 301-782-2350. It's more than just a yard. At Denison Landscaping you don't have to tell us that. Our landscaping experts have spent over 45 years-in Maryland, Virginia, Delaware and Washington D.C. transforming yards into customized outdoor living spaces.

Denison Landscaping Inc. is a family-owned and operated full service Landscape contractor in the Washington, DC./Baltimore Mid-Atlantic Region since 1973. The Denison family has been growing our organization and over the last few years we have been named in the top 50 and, more recently, in the top 29 landscape organizations in the country. Currently, Denison Landscaping Inc. services the Mid-Atlantic region, which includes the Eastern Shore and Pittsburgh, providing a full range of landscaping services from Commercial and Residential Design Build to Irrigation, Maintenance and Enhancements and Wholesale Division while operating over 750 acres of Nursery production.

Whether it is extending your living space with the addition of a patio in the backyard or solving the difficult slope along the driveway, our design and installation professionals are able to suit all of your needs. Our experts can set your yard apart and make it the envy of the neighborhood with the use of both natural and manufactured materials. Denison is one of the Washington, DC / Baltimore, Maryland Metro area's largest landscape contractors. A family owned corporation since 1973- Denison Landscaping is proud of it's 45+ years in business.

We are sorry to inform you that the Denison Garden Center is closed as of July 15, 2017. We would like to thank you all for your continuous support and patronage throughout the years.

Your garden is your private hide-away; that perfect place right outside your door to relax and enjoy the great outdoors. Deciding what elements to include in your garden? A water garden, hardscapes, exterior lighting, or familiar favorites that evoke fond memories, is the first step in making your garden truly your own. Denison will help you realize your perfect garden, so you can enjoy it for years to come. Why Work with a Landscape Designer? Our team of experienced full service professional landscape designers; over the last 38 years, have been welcomed into our clients homes throughout the Mid Atlantic region to design projects of every size.

Thank you for considering Denison Landscaping, Inc. as your partner to beautify your landscape. Whether you are installing a new irrigation system, extending the coverage of your existing system, or need repairs, Denison is eager to help. Denison Landscaping, Inc. will install a complete, fully automatic irrigation system to custom fit your needs, landscape and budget. We will utilize our over 20 years experience in the irrigation industry to do so. If you couple that with our almost 40 years in the landscaping industry we have a seasoned perspective of your landscape irrigation needs and how that can be achieved at a minimal cost without compromising quality or your system's integrity.

Our Builder Services division takes pride in being able to provide products of distinction that are consistent with the concepts and themes of today's ever-changing communities. The knowledgeable staff at Denison has the unique ability to transform concepts and ideas into functional planting applications. We deliver what is needed to reflect the lifestyle requirements of the community therefore capturing all of the development and marketing opportunities that are at hand. Landowners, builders, homeowners and regulatory agencies all demand more and want assurances that the new higher quality community meets those standards and more.

We just had Denison landscaping in Pittsburgh redo our backyard and are completely amazed at the transformation. Aurelio and his crew did such a fantastic job. It was a pleasure working with them. They truly take pride in their work! Thank you for such a great job

Produced a great design, executed quickly and cleanly. A very happy customer.

Kevin Butler's crew came and made my backyard look wonderful again, I just bought the house but the backyard had to be torn up when the previous owners installed the new septic tanks. It was in such bad shape before but his crew came to fix it. They worked within my budget and it looks so nice! Excellent customer service!

What's new?

We will never forget and will always remember. #WeWillNeverForget #NeverForget911 https://t.co/a0qdYzFiD2

Posted on Sep 11, 2020  •  Twitter

Denison Landscaping is proud to partner with JLAM and Schell Brothers on this beautiful project. https://t.co/FECfU2oYN0

Posted on Jul 29, 2020  •  Twitter

Enjoy the time with your family this memorial weekend https://t.co/4UTLyPnD0N

Posted on May 23, 2020  •  Twitter

Hand-carved by Denison's own Tom Jasick, this 4' wide bluestone hangs from a custom made Cedar arbor as a neighborh… https://t.co/x5ubr8VtBg

Posted on Apr 29, 2020  •  Twitter

Our Residential Team is available for consultations and can do in person or on a variety of video conferencing plat… https://t.co/F44Iue1yjk

Posted on Apr 09, 2020  •  Twitter

Today we remember the Men and Women who fought for the freedoms that we cherish today. We thank you and your fami… https://t.co/gKMMF2KHpC

Posted on Mar 25, 2020  •  Twitter

Beautiful Blooms!!! #blooms #tree #nature #spring https://t.co/uJGe5WvK77

Posted on Mar 24, 2020  •  Twitter

Spring is here!!! Happy Spring everyone!!! #Spring #firstdayofspring https://t.co/DpcEiVtTkF

Posted on Mar 19, 2020  •  Twitter

Happy St. Patrick's day!! Remember to sport your green today! #stpatricksday https://t.co/rQs4BQWW3X

Posted on Mar 17, 2020  •  Twitter

Do you want your yard to look like this? Tax Day is just over a month away! Make an investment on your home and giv… https://t.co/T7DJILHy1M

Posted on Mar 10, 2020  •  Twitter

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