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Weston Miller

Community Horticulture

Contact Weston Miller


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Weston Miller serves as Community and Urban Horticulturist for OSU Extension Service.  Since 2007, he has managed the popular Master Gardener™ program in Clackamas, Multnomah, and Washington counties to provide research-based horticulture and pest management information to the community.  He provides leadership for The Oregon IPM website to make reliable pesticide risk reduction information available to audiences currently underserved by OSUs educational outreach.  He serves as elected Director and Treasurer for West Multnomah Soil & Water Conservation District.  In his free time, Weston enjoys skiing and gardening and hiking with his family.

Content by Weston Miller

How to Use Compost in Gardens and Landscapes

Compost is a soil amendment consisting of partially broken-down organic material. Use compost to improve soil for vegetable gardens, landscape areas and lawns. Learn how to apply the correct amount of compost and how to avoid common compost mistakes.

Weston Miller | Feb 2021 | OSU Extension Catalog

Herbicide-Contaminated Compost and Soil Mix: What You Should Know — and What You Can Do About It

Compost and soil mix products sometimes contain herbicide residue. This residue can damage certain vegetable, fruit and flower crops. The residue likely comes from contaminated hay, grass clippings or manure. Watch for stunted growth...

Weston Miller | Feb 2021 | OSU Extension Catalog

Solve Pest and Weed Problems: A New Resource for Master Gardeners and the Public

This webinar is part of the 2020 series of Advanced Training Webinars for Master Gardeners sponsored by Oregon State University Extension.

Weston Miller, Brooke Edmunds | Jul 2020 | Video

Looking for Frog-Friendly Moss Control

Q: Does moss treatment that is typically used on roofs hurt frogs?

A: View answer | View all featured questions

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