Featured Projects

Grand Gardens in the City
Guilford, Maryland
Why You Live in the Woods
Hunt Valley, Maryland
Urban Oasis Connects Old and New
Canton/Fells Point, Baltimore
Grand Entry for Distinguished City Residence
Guilford, Maryland
Family Paradise for All Seasons
Ellicott City, Maryland
Swiss Family Kinard Treehouse
Lutherville, Maryland


Comprehensive Master Plan
Create your dream environment
New Outdoor Spaces
Renovate your outdoor living room
Gardens and Landscaping
Freshen your perspective
Exterior Decorating
A designer's eye is a smart investment
Site Engineering & Design Consultation
Protect and support the environment

News & Notes

Small Wonders (PDF)
Baltimore Magazine featured our work in Fells Point, Maryland.
The Caretakers (PDF)
Baltimore Magazine featured our work in Guilford, Maryland.

Our Team

Jack Leonard, RLA, ASLA, LEED AP is the Principal of JGL Design Associates. He possesses a broad base of experience and skills in landscape architecture, engineering and business. Jack is a registered landscape architect, LEED Accredited Professional and licensed plant broker in Maryland; has a degree in civil engineering (BE); an MBA in marketing; a Masters Degree in Landscape Architecture (MLA); and is completing a program in environmental studies. Jack is also an Adjunct Assistant Professor and Lecturer in the Landscape Architecture Program at the University of Maryland, College Park and Morgan State University's School of Architecture and Planning.

The JGL Design team comprises dedicated professionals who possess the technical skills, creativity, enthusiasm, and experience to grow the visions of our clients.

Comprehensive Background

JGL Design has completed master plans and designs for a broad range of residential, institutional, and commercial properties. These projects are located in urban, suburban and rural settings, including country estates and city townhomes. Our planning background includes developing comprehensive master plans for communities new and old. Our background and experience in landscape architecture and site engineering includes:

Creativity from Technical Excellence

JGL Design creates places that are unique to each client and site. Our approach maximizes the functional use of a property by sensitively integrating its built and natural features. We are able to develop these creative designs because our staff has a strong base of the technical skills necessary to provide expert and comprehensive solutions to complex design programs and problems. These skills include:

Our team background includes landscape architecture, garden design, engineering, horticulture, and project management.

Implementation of the Project

The JGL team has managed the implementation of projects from multi-million dollar design and construction projects to small-scale residential garden designs. Our extensive project management experience includes:

Design by Consensus

JGL Design has a long history of building community consensus by integrating the concerns of community members, business owners, and government agencies. As a member of policy committees with various agencies and community organizations, our firm has been instrumental in establishing planning and development policy.