About Cambium

Founded in 1998, Cambium creates and nurtures beautiful, purposeful, quality landscapes while offering the highest level of customer service. We collaborate with our clients to craft inspired garden experiences, and act with stewardship towards the land and local community.

The Cambium design/build team maintains solid partnerships with a skilled group of architects, engineers, interior designers, and is an active member of local and professional groups.

Our studio in the Madrona neighborhood is the hub for our design activity, while the build team is hard at work on construction and maintenance projects throughout the region.

Cambium landscape architecture team at work on a residential garden project in Seattle
Our team designs, constructs and maintains gardens and landscapes every season of the year

Cambium Team

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“I’m very proud of our highly skilled, and personable Cambium team. They bring integrity, dedication, and hard work to every project. After nearly 30 years in business, my desire to create expressive landscapes is resolute—an achievement made possible by the collaboration and commitment of our entire staff, from field crew to senior management.”

Tim Moshier
Principal & CEO, Landscape Architect
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Growing up in the San Juan Islands, I understand the role that outdoor spaces can play in our lives. I greatly enjoy working with our clients to create outstanding landscapes that are beautiful, purposeful, and enhance the quality of their lives.

Jason Breitling
Partner, Director of Design, Landscape Architect
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“I am passionate about turning ideas into reality and thrive on collaboration to deliver great results for clients. Off the clock, I enjoy time with my family, our playful puppy, and a great cup of coffee.”

Ilyana Takahashi
Managing Director
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Alan brings a calm, measured presence to every project, helping construction teams stay focused and aligned. He takes pride in clear communication and precise direction to the Cambium team, especially when moments get demanding on site. An avid skier, Alan enjoys descending mountain tops in his free time.

Alan Gossett
Construction Manager
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Whether a water fountain, gas fire pit or overhead shade screen, Ben wants all landscape features to operate easily, smoothly and be entirely reliable. “It’s a joy to work with our clients, designers and crews to create beautiful and functional outdoor spaces.”

Benjamin Ahrens
Project Manager
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“For over ten years, I have loved managing the Cambium office, doing the books, and interacting with all the Cambium folks. The office has large storefront windows and lots of light too!”

Claudia Levin
Office Manager, Bookkeeper
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Denis brings over a decade of high-end residential construction expertise to Cambium, translating studio designs into built reality with craftsmanship and clear communication. Outside of work, he volunteers in the community and is happiest exploring the Pacific Northwest with his family.

Denis Koenig
Project Manager
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Francisco has a deep appreciation for refined landscape design, from beautifully crafted stone terraces and fire features to exquisite plantings. His nuanced ability to execute complex design is rooted in his early experience managing large infrastructure teams. Francisco enjoys studying financial markets and spending time with his daughter.

Francisco Rios
Project Manager
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Gerardo brings a steady work ethic and a sharp eye for detail to every project. He thrives alongside the team, crafting high-quality landscapes with care, and takes pride in sharing his knowledge to help others grow.

Gerardo Bautista
Construction Foreman
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A transformative landscape is a thoughtful balance of design and budgeting. As our lead estimator, Jennell finds beauty in this balance—and lots of happy clients along the way!

Jennell Harrison
Estimator
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“I design contemporary outdoor spaces that invite people to truly live outside. Using detailed 3D models, I help clients visualize the design early and make confident decisions. I’m also deeply interested in AI and actively exploring how it can enhance and elevate the design experience.”

Jimmy Mounivong
Senior Landscape Designer
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As a recent graduate of the University of Washington, Joey is excited to jump into the world of landscape architecture. He loves design that allows him to be creative while simultaneously connecting with the natural world.

Joey Hughes
Design Intern
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Jonathan’s carpentry skills come in handy while crafting his own fiberglass surfboards. His young children want to ride the waves too—but for now they paddle hard to be the great surfers they are destined to be.

Jonathan Lopez
Carpenter
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Jordan brings extensive experience in construction, contributing a balanced, detail-oriented approach to every project. He works closely with the Cambium team to choreograph each phase, ensuring all the details come together as a beautifully realized landscape. Outside of work, Jordan enjoys fishing and hiking throughout the Pacific Northwest.

Jordan Boisseranc
Internal Operations Manager
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When Kasia’s not thinking about planting design she’s hanging out with her little dog, Rocco Timothy, biking, foraging, goofing-around and thinking about the ultimate food bite.

Kasia Cassidy
Landscape Designer
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“It’s Cambium’s long-term relationships with architects, interior designers, and engineers I find most rewarding and the creative design solutions founded in our collaboration.”

Michal Lehmann
Landscape Architect
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Leading our maintenance crews, Mitch is all about attention to detail. He’s also the ‘Orange Cone Guy’, insisting our crews always put safety first.

Mitch Kingsley
Maintenance Lead
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From Ohio to the Great Pacific Northwest, Ross brings his love of gardening to Cambium, delighting in nurturing our client’s beautiful landscapes. A “compassionate Swiftie” and sunshine enthusiast, Ross prioritizes peaceful and enriching experiences in his daily life.

Ross Walters
Maintenance Manager
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Ruben joined Cambium at the urging of his brother Rufino. After a few years he too became a foreman. See the family resemblance?

Ruben Granados-Lopez
Construction Foreman
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Modest and kind-hearted, Rufino has been at Cambium over ten years and is one of our best masons. He always starts the workday with a big smile.

Rufino Granados-Lopez
Senior Construction Foreman
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Shea is our senior carpenter, at work the Chevy pick-up is #1, but at the end of the day he leaves work in the dust—a sporty royal blue Subaru WRX is his ride of choice.

Shea Kingsley
Senior Carpenter
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Valentin rose through the ranks at Cambium from inexperienced crew to full foreman. He’s also a welder and fabricates Cambium’s custom steel planters.

Valentin Cruz
Construction Foreman
Cambium construction team – licensed, bonded landscape contractors serving Seattle and the Pacific Northwest

Construction Team

Aberham Sainz
Daniel Pinto
Enrique Jeronimo
Jonathan Lopez
Mariano Ramierez
Mario Jeronimo
Pedro Tapia
Raul Duron
Ruben Granados-Lopez
Rufino Granados-Lopez
Shea Kingsley
Valentin Cruz
Cambium maintenance crew – certified horticulturists providing fine garden maintenance services in Seattle

Maintenance Crew

Benedicto Dolores
Cesar Duron
Jhonatan Dolores
Luis Perez
Mitch Kingsley
Yerry Sanchez

Press and Publications

Cambium landscape project featured in press – alfresco garden areas extending a Tuscan-inspired home, Seattle

 

 

“Much as if you were visiting a secluded Tuscan villa, the many alfresco garden areas extend and complement specific rooms in the client’s home, offering a compelling reason to come outdoors for entertaining, relaxing or gardening.”

Cambium landscape project in Luxe magazine – Japanese maples, hinoki and boulder berm design, Seattle

 

 

“…infused with Asian influence, the landscape includes Japanese maples and hinoki…three select boulders, mimicking islands in the distance sit in a berm of blue oat grass…”

Cambium planting design featured in Seattle Metropolitan – textural hosta and Japanese forest grass garden

 

 

“Think texture when designing plantings. Contrasting textures…add incredible dimension to a landscape. Try bold, broadleaf hosta…with softly arched linear Japanese forest grass among tight, fernlike sprays of …hinoki foliage.”

Cambium Landscape featured project – purposeful home landscape combining creativity and craftsmanship, Seattle

Cambium creates purposeful home landscapes, combining creativity with craftsmanship. Every project and client is unique. We don’t have a ‘style’. We work with client’s tastes and desires as well as home architecture to design and build superlative home landscapes that complement their lifestyle.

Cambium landscape featured in Northwest Home + Garden – metal, wood, stone and water design, Seattle

 

 

“[Cambium] brings a fresh, upbeat approach to the garden, incorporating dynamic structures and welcoming spaces into [their] designs…pairing metal with wood, stone with water and giving clients a skillful selection of plants that add structure and form to the landscape.”

Cambium garden rooms project in press – two courtyards and three patios for indoor-outdoor living, Seattle

 

 

“Two courtyards and three patios offer intimate outdoor spots…to relax, dine, and entertain. Thoughtful connections between the house and garden…offer a compelling excuse to move outside and live in the garden.”

Cambium Laurelhurst lakeside project featured in Seattle Homes & Lifestyles – Pacific Northwest native plant garden

 

 

“With 482-acre Bridle Trails State Park nearby… [the] plant palette [is] mostly restricted to Northwest natives and plants…in form and effect… ‘It’s really a four-season garden,’ the homeowner says.”

Professional Affiliations

Cambium is an active member of the American Society of Landscape Architects as well as the Association of Professional Landscape Designers. We support and donate to the arts and architecture publication ARCADE. Partners regularly mentor University of Washington landscape architecture students. In addition, we are members of the American Horticultural Society.

American Society of Landscape Architects

Association of Professional Landscape Designers

Landscape Architecture Foundation

American Horticultural Society

ARCADE

 

Commitment to Community

In their local community of Madrona, during Mayfair celebrations, Cambium helps build children’s appreciation for gardening and plants with free participatory events.

Principal Tim Moshier has sat on the board of directors for the Friends of the Volunteer Park Conservatory and planted trees with Treemendous Seattle.

Partner Jason Breitling, regularly mentors students at the University of Washington.

Cambium staff donate time and materials for Barkitecture events benefiting The Humane Society.

Leschi Community Council

Friends of Volunteer Park Conservatory

Treemendous Seattle

The Humane Society

University of Washington