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Trillium Landscape Design LLC

Landscape Design, Maintenance, Fine Pruning, and Hardscape Installations.

Creating beautiful and sustainable ecosystems in your backyard.

Licensed, bonded, and insured.

Home: Welcome

About Us

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Trillium Landscape Design was founded with the goal of creating sustainable and eco-friendly gardens that are beautiful and also benefit the natural world around us.  Brian Matson (Owner) has a Bachelors in Science from Evergreen State College where they studied PNW forest ecology and mycology. Each garden design is inspired by their love of native plants and the natural beauty of the Pacific Northwest.  Brian mentored for 3 years under Glenn Withey and Charles Price while working for Withey Price Landscape and Design, where they worked as a horticulturist specializing in high end gardening and garden maintenance. During this time they also earned a technical degree in landscape design at Edmonds College and was placed by the college on the all Washington Academic Team as well as completed the master pruning course with Plant Amnesty.  Brian then went on to other companies to gather experience in design, landscape construction, and obtain multiple certifications including becoming an ISA Certified Arborist and a Certified Professional Horticulturist through WSNLA. Brian officially started their own company in summer of 2023.

- Brian Matson, Owner, CPH, ISA Certified Arborist (PN-9551A)

Home: About

Garden Services

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Garden Design

The full scale design package is a holistic design process where I work closely with the homeowner to create well crafted garden plan that is ready for installation.


This includes:

  1. An Initial design consultation

  2. 2-3 concept drawings based off of the original consultation.

  3. A preliminary plan with revisions from the concept drawings

  4. Masterplan drawing

  5. Detailed plant list with cultural information about each plant.

Design rate is $75/hr. I will provide an estimate after our initial consultation (consultation fee is $75/hr).

Garden Maintenance

  • ​Fine pruning.

  • Seasonal clean up.

  • Pressure washing.

  • Weeding, mulching, and general garden maintenance.

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Garden Coaching

Includes an on-site walkthrough of your garden where we can go over:


-Individual plant care

-Plant identification

-Soil health

-How to encourage pollinators and wildlife into your yard

-Help deciding what plants grow best in your location

-Pruning basics and guidance

-What tools you need and where to buy them

-Any other questions you might have about your yard!

Following our meeting I will provide a written up summary of what we talked about and links/references to applicable helpful resources and plant recommendations based off of site conditions.

Cost is $300/session. Additional design time can be added at $75/hr to draw up a more detailed planting plan.

Hardscape Installation

Specialized in creating natural stone patios, walls, and pathways.

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Want to learn more about our services?

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Contact Us

Seattle, King County 98125
USA

425-686-9749

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