19 New York Landscape Architects to Know From the AD PRO Directory

From rooftop terraces to public parks to country gardens, New York landscape architects craft outdoor spaces that celebrate the natural world and delight their visitors. Firms in the New York area are adept at working with a variety of contexts, from waterfront homes to rural estates to petite urban courtyards, and adapting to not only the needs of the client, but also the ecological needs of the site itself. If you’re ready to create your own outdoor oasis, the New York landscape architects on the AD PRO Directory should be your first call. Whether you’re looking for a family-friendly outdoor living area or a traditional topiary-filled garden, these AD-approved landscape architects can help beautify your outdoor space.

At a Connecticut home by Shope Reno Wharton, Janice Parker Landscape Architects designed a vegetable and cutting garden with raised garden beds made from Corten steel. Parker also planned out the small terrace with seating and the fireplace for outdoor entertaining.

Photo: Durston Saylor

Traditional design elements are enhanced by modern touches in Janice Parker Landscape Architects’ elegant outdoor spaces, which range from rambling country estates to petite yet impactful city rooftop gardens. The Greenwich, Connecticut–based firm has been crafting beautiful landscapes since 1984. Led by Janice Parker, the studio is a go-to collaborator for top designers and architects, as well as private and public clients. They work with clients around the world, from the Hamptons to Russia.

At a contemporary Long Island home designed by BMA Architects and interior designers Fox Nahem, Hollander Design Landscape Architects used bowed Corten walls to define the stepped terraces that traverse a gentle, river-birch-dotted slope.

Photo: Neil Landino

Whether designing a private park on the Upper West Side or the grounds of a contemporary country estate, Hollander Design Landscape Architects creates harmony between humans, architecture, and the natural world in its immersive gardens and landscapes. The award-winning firm was founded by Edmund Hollander and Maryanne Connelly in 1991 and has been elevating outdoor settings from the Hamptons to Hong Kong since. It operates out of offices in Manhattan, the Hamptons, Chicago, and Savannah.

For a hotel project in Mexico, Garden 26 devised a lush green pergola entry planted with macho ferns and cissus vines.

Photo: Clemens Kois

Founded in 2009 by Helen Lambrakis and Erik Moraillon (both alums of the esteemed firm Madison Cox Associates), Garden 26 is a New York City–based boutique firm with a global reputation. Its tranquil residential, commercial, and public landscape designs can be found across four continents, from Abu Dhabi to Westhampton. Collaborating with top international firms such as Herzog & de Meuron, Selldorf Architects, and Jacques Grange, Garden 26 is known for its ability to bring elegance and functionality to outdoor spaces of all types.

For a home on the North Fork of Long Island, Marshall Paetzel Landscape Architecture devised a partially above-ground pool with a terraced landscape—to provide separation to groundwater and protection from potential flooding—and incorporated native plantings that provide both privacy and ecological function.

Photo: Anthony Crisafulli

Led by husband-and-wife team Jonathan and Stacy Paetzel, Long Island–based Marshall Paetzel Landscape Architecture brings out the best of each site it works on. The firm’s bespoke landscape designs grace private residences, commercial projects, and communities along the East Coast and beyond, including tropical and mountain locales. Indigenous plants add to the beauty and sustainability of their landscape designs, which are the product of meticulous research and collaboration with clients, architects, and designers.

At a home in Greenwich, Connecticut, James Doyle Design Associates created a meadow with native plants and bulbs that ecologically support the local wildlife.

Photo: Neil Landino

James Doyle Design Associates expertly balances a residence’s architectural context and natural environment in its artful and ecologically sensitive designs. The Greenwich, Connecticut–based firm devises landscapes for clients around the world, from contemporary poolscapes in Santa Monica to sculpture-filled gardens in Philadelphia. The associates work on a wide range of outdoor settings, including urban rooftops, waterfront estates, and country farms, approaching each with the same goal in mind—to enhance the lives of their owners.

A formal lawn by Kathryn Herman Design is surrounded by structured and informal plantings. Globe boxwoods and magnolias float in the perennial beds that are full of Allium, Salvia, and Centaurea.

Photo: Neil Landino

From Connecticut country estates to Palm Beach getaways, Kathryn Herman Design elevates residential projects by incorporating elements like colorful gardens, rolling lawns, and flowering meadows. The New Canaan, Connecticut–based firm brings together a team of skilled landscape architects, designers, and arborists, allowing the client to benefit from a wealth of technical, horticultural, and artistic knowledge. Herman’s tailored, elegant outdoor spaces can be found across the country and overseas.

American linden trees create a striking scene at this Hudson Valley retreat with landscapes by Grace Fuller Design.

Photo by Grace Fuller Design

After beginning her career as an editor at Vogue and W, Grace Fuller Marroquin brought her keen eye to landscapes, launching Grace Fuller Design in 2019. Known for her romantic, sustainable designs, Fuller Marroquin works on residential, commercial, and public projects around the world. Whether devising an intimate city garden or a layered country landscape, the New York–based firm is able to create a strong connection between a home and its surroundings.

An intimate fireside sanctuary crowns a Fort Greene town house with landscaping by Folia Gardens. Japanese maples frame views of Brooklyn’s skyline, uniting the client’s love of New England landscapes with their urban home.

Photo by Anthony Crisafulli

Folia Gardens specializes in cultivating natural beauty within the concrete jungle. From charming Carroll Gardens backyards to polished Upper East Side rooftops, the Brooklyn-based studio works on outdoor areas of all types and sizes, creating spaces tailored to the setting and the client’s lifestyle. Founded by Adam Baron in 2010, Folia Gardens offers custom fabrication of planters, furniture, decks, stonework, and any other items clients dream of, whether it’s an outdoor shower or a living wall.

At a home in coastal Maine with landscapes by Carson Douglas Landscape Architecture, the historic barn opens to manicured orchards, classic farm walls, and expansive river views beyond.

Photo: Megan Clouse

Environmental stewardship goes hand in hand with inspired design in the work of Carson Douglas Landscape Architecture. Led by Michael Douglas Brennan and William Carson Joyce, the firm specializes in timeless aesthetics that create a strong connection between architecture and its surrounding environment. With offices in New York, California, and Maine, CD-LA boasts a wealth of experience with a wide range of climates and geographies.

For this project in Watermill, New York, Quincy Hammond Landscape Architect created a series of hedged garden rooms containing a Sissinghurst-inspired white perennial border garden and a sunken, all-white rose garden.

Photo by Lauren Coleman

Landscape architect Quincy Hammond brings classic elegance to her exquisite designs, which are located throughout the United States and beyond. After beginning her career at Hollander Design, Hammond founded her Long Island–based firm in 2010, and quickly became known for her modern takes on traditional, formal gardens.

For a wraparound terrace on the Upper East Side, Evan C. Lai Landscape Design incorporated the client’s collection of artwork, including an elephant statue they brought back from a trip to India, to create a small sculpture garden effect.

Photo: Alexander Herring

From an Upper West Side terrace complete with vegetable and edible gardens to a Chelsea backyard made for entertaining, Evan C. Lai Landscape Design makes the most of Manhattan’s outdoor spaces. The New York City–based firm brings 30 years of experience and a team of horticulturalists, designers, and gardeners to each project, and its design-build approach makes the process streamlined. The firm also offers maintenance services so gardens continue to look their best.

A garden by Angell Landscape Architecture in Provincetown, Massachusetts, celebrates soft, billowy forms through the use of drought-tolerant plantings, indigenous materials, and artfully placed sculpture. An elevated boardwalk and decking recall beachgoers winding their way through seaside dunes.

Photo by Marissa Angell

Led by founder and CEO Marissa Angell, Angell Landscape Architecture brings out the beauty and unique qualities of each site through intensive research and subsequent design solutions tailored to each location. The Brooklyn-based firm works on projects throughout the Northeast and emphasizes sustainability and resilience in its designs, which utilize native plants and local materials. From pollinator meadows to outdoor rooms lined with shale quarried on-site, the team’s projects undoubtably enhance the existing landscape.

On a five-and-a-half–acre stretch of Southampton oceanfront, LaGuardia Design Group turned a site of eroded dunes and overgrown wetlands into a landscape of quiet restoration.

Photo by Michael Stavaridis

LaGuardia Design Group specializes in restorative, resilient landscapes that feel integrated with the built environment. Known for its skill with waterfront sites, the Water Mill, New York–based firm works on outdoor spaces of all styles, from traditional sculpture gardens with elegant allées to contemporary beach retreats with infinity pools and sleek outdoor living areas. The firm’s residential, commercial, hospitality, and public designs can be found from New England to the Caribbean.

When transforming a Brooklyn Heights backyard, Birch and Basil Design added a new outdoor kitchen and grill with a soapstone countertop along with a new garden, saving some of the mature evergreens and adding several new layers of plantings, including climbing vines and Japanese maples.

Photo: Kristin Monji

Birch and Basil Design founder Kristin Monji brings California ease to her modern outdoor spaces, which range from a penthouse oasis on the Upper East Side to a modern Manhattan backyard complete with a hot tub and outdoor shower. Alongside her team, Monji, a landscape designer and certified arborist, handles everything from design to installation, building custom elements and structures that make each space tailored to the client and their needs.

Pink crepe myrtle trees bloom along an elegant double allée at an estate in Great Neck, Long Island, with landscape architecture by Jonathan Fargion Design.

Photo: Jonathan Fargion

Drawing inspiration from his childhood in Milan, Jonathan Fargion is renowned for his immersive, emotion-evoking outdoor spaces, ranging from formal gardens at a Long Island estate to a modern terrace in Chelsea. Views are expertly framed, and carefully chosen plants and accents complement the given architectural structures. The New York City–based firm works on projects along the East Coast, from Connecticut to Miami, and abroad.

Todd Haiman Landscape Design brought the countryside to Greenwich Village, creating a farm-inspired terrace with a custom black locust pergola, bench, and table, and willow hurdle fencing panels. Native switchgrass adds to the wild feel.

Photo: Todd Haiman Landscape Design

Color and texture add to the joyful atmosphere in Todd Haiman Landscape Design’s outdoor spaces. The New York City–based firm, which works throughout the Northeast, knows how to make the most of limited outdoor space, creating custom designs that align with its clients’ lifestyles. Think installing a hidden cinema screen for outdoor movies on a Tribeca roof, or devising a pro-chef-worthy BBQ and food prep area in a Park Slope garden.

At a home in Long Island by Catania Landscape Design, large-format bluestone slabs, lush boxwoods, and hydrangeas frame a modern pool terrace, while retaining walls and layered greenery bridge the transition from architecture to nature.

Photo: Josh Goetz Photography

East Northport, New York–based Catania Landscape Design knows how to create major curb appeal. Led by principal and lead designer Marcello Catania, the firm is known for creating timeless landscapes that feel deeply connected to a given home and its natural surroundings. Whether planning the grounds of an estate or a city terrace, each element of the design is carefully chosen, and the team’s restrained approach results in landscapes that feel as though they’ve always been there.

Brooklyn-based Our Temenos approaches landscape design from an ecological point of view, crafting beautiful and resilient outdoor spaces for residential, commercial, and government projects in New York and beyond. Launched in 2018 by founding principal Rosemarie Miner, the worker-owned firm utilizes sustainable practices throughout its work, incorporating native plants, hardscapes that manage rainwater, and renewable, biodegradable, or local materials. In addition to design-build services, the firm also offers garden maintenance and cleanup.

East Hampton–based Landscape Details creates impeccable outdoor spaces on Long Island’s East End. Led by Michael Derrig, the firm is adept in both traditional and modern landscape designs and can skillfully transform a property with landscaping, gardens, masonry, lighting, and structures such as pool houses and pergolas. Landscape Details also offers property maintenance services, ensuring that trees, lawns, and plants remain beautiful and healthy season after season.

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