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Accredited Organic Land Care Practitioners List

Organic Land Care Practitioners

Tilth Alliance brought an Organic Land Care Accreditation program to Seattle in 2012 in partnership with Oregon Tilth. The following is a list of Oregon Tilth Accredited Organic Land Care Practitioners in Washington State. While these professionals are recognized by Oregon Tilth to have met Oregon Tilth requirements, accreditation by Oregon Tilth does not impart any endorsement or preference by Oregon Tilth or Tilth Alliance for any of the services listed below.

Organic Land Care Practitioners
Business Name and Services Provided
Emily Allsop

1626 South Bennett Street
Seattle, WA 98108
(206) 762-8826
Creative Gardens

Services provided: We design for the urban landscape, incorporating an organic approach to cultivating edible plants and fruit trees along with ornamentals; fine gardening and maintenance for small commercial and residential landscapes; tree and shrub pruning; mowing, thatching and aerating for eco-lawns; consulting and educating on soil health and composting, with a focus on eco-friendly and healthy garden practices.
Heather Cullen
Landscaping and Land Restoration

Service Area: Greater Seattle area

Services Provided: We provide landscape maintenance and garden restoration; pruning, IPM, plantings, overall plant health care, noxious weed removal and management, soil care and turf management.
Jack Hopkins

Seattle, WA
(206) 218-8398
Be Green, LLC

Service Area: Seattle and King County

Services Provided: Our services include design, installation and care for residential and commercial customers. We specialize in transitioning conventional landscapes to organic, with a focus on edible and native plants.

*Oregon Tilth Accredited Organic Land Care Practitioner #21247
*WA State Contractor License #BEGREGL*871KW
Michelle Deacon

23515 NE Novelty Hill Road
Suite B221-135
Redmond, WA 98053
(425) 882-8871
The Grounds Guys

Services Provided: We provide quality landscape management for residential and commercial properties including: maintenance, fertilization and weed control, design/installation, hardscape, irrigation and landscape lighting. We service Platinum LEED properties and roof gardens, including renovation of roof gardens out of control. We are a City of Seattle approved rain garden installer and maintenance contractor. We service several horse properties utilizing organic land care practices. Our company is bonded and insured with over 100 locations across the USA.

*Oregon Tilth Accredited Organic Land Care Practitioner #21251
*WA State Certified Woman Owned Businesses #W2F8822484
*WA State Contractor License #GROUNG*892CB
Nicholas Shaffer

10017 Greenwood Avenue N
Seattle, WA 98133
(206) 783-1852
Exteriorscapes, LLC

Service Area: Greater Seattle area

Services Provided: We are a full-service landscape company offering professional design, construction and maintenance in the Greater Seattle area. Since 1994, we have been combining art, sustainable resources and individual expression to create unique and personal sanctuaries that honor the earth.
Sue Day
10026 SE 188th St.
Vashon, WA 98070
(206) 280-1425

Earth Stewardship and Design

Service Area: King, Kitsap and Pierce Counties

Services Provided: I offer organic and sustainable consultation and design. Specialization in natives, edibles, habitats, ecological restoration and whole systems.
Brian Trull

1528 NW Leary Way
Seattle, WA 98107
(206) 214-6323
Shop: (206) 297-9092
Home Office: (206) 783-6685
Walt's Organic Fertilizer Co.

Services Provided: We offer organic garden products and services since 1995. Fully licensed, bonded and insured landscape contractor in the state of Washington. We service both residential and commercial and we off free estimates. Check out our website or contact us for more information.
Van Bobbitt

South Seattle Community College
6000 16th Avenue SW
Seattle, WA 98106-1499
(203) 934-6717
South Seattle Community College

Services Provided: I am a horticulture instructor and arboretum coordinator.
Vinni Gupta

1519 225th Place SE
Sammamish, WA 98075
(425) 785-7156


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