Douglas County Master Gardeners Oregon State University Master Gardener™ Douglas County

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OSU Extension Master Gardeners

OSU Extension Douglas County

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For Master Gardeners

Upcoming Events

Held at the Douglas County Master Gardener Discovery Garden Pavilion, River Forks Drive, Roseburg, Oregon, OPEN TO ALL AGES, FREE TO ATTEND!

May 16th: “Veggies From Seeds to Weeds” with Master Gardener and organic farmer Jim Leet

June 20th: “Composting” with Logan Bennett, OSU Extension, Master Gardener Coordinator

July 18th: “Spice up your Life!” Preserving and cooking with herbs with Denise Fennell, Chef

Plant & Garden Expo 2025
Thank you to all in the community who support the Douglas County Master Gardener program by attending our Plant & Garden Expo. We appreciate your support in making this a successful event for our group and our vendor partners.

Mark your calendars for our 2025 Plant & Garden Expo - Saturday, May 3, 2025!

The Oregon State University (OSU) Master Gardeners Douglas County is a volunteer organization in collaboration with OSU Extension Service. This program educates Oregonians about the art and science of growing and caring for plants. This program also facilitates the training of a highly educated corps of volunteers who extend sustainable gardening information to their communities through education and outreach programs. Established in 1984, the Douglas County Master Gardeners Chapter is a non-profit 501(c)(3) organization that functions to support OSU and the community through educational projects.

Master Gardeners are trained volunteers, educated through OSU Extension Service to offer the local community Reliable, Relevant and Reachable gardening information and education opportunities.

Reliable:   Our gardening advice and education is science-based.
Relevant:   We offer customized information for your gardening situation.
Reachable:   Call, e-mail, or visit us at our Plant Clinic, community markets, and at our showcase Discovery Garden.
Plant Clinic Information - For Master Gardener Advice

We are happy to answer questions about gardening, orchards, landscaping, composting, garden insects, plant diseases, or related topics. If you would like us to diagnose a plant disease or pest, please bring a sample with you. Our plant clinic schedule varies by month and is listed below.

Soil Testing…It’s Back!

After a hiatus of several months we’re happy to announce that we are now returning to the business of testing soil. After careful research and evaluation of several soil testing products we are changing up our testing just a bit! We will be testing for pH, Nitrogen, Phosphorus and Potassium. These are the key tests for the home gardener. Along with the results you will receive links to several great OSU publications. Soil test cost will be $7.50 for Master Gardeners and $15 for non-MGs. So dig up a sample and drop it by the Extension Office (1134 SE Douglas in Roseburg) and we’ll test it for you!

Soil testing can be done any time your soil isn’t frozen or overly wet. The best time of year for sampling is in the spring or fall. How to take a Soil Sample

Call 541-236-3052 and ask for the Master Gardeners
Come visit during Clinic hours the Extension Office at 1134 SE Douglas Ave., Roseburg, Oregon.

MonthDays of WeekHours
JanuaryMonday & Wednesday1-4 PM
FebruaryMonday, Wednesday & Friday1-4 PM
MarchMonday, Wednesday & Friday1-4 PM
April through SeptemberMonday through Friday1-4 PM
OctoberMonday, Wednesday, Thursday & Friday1-4 PM
NovemberMonday & Wednesday1-4 PM
DecemberMonday & Wednesday1-4 PM

Oregon State University Extension Service prohibits discrimination in all its programs, services, activities and materials on the basis of race, color, national origin, religion, sex, gender identity (including gender expression), sexual orientation, disability, age, marital status, familial/parental status, income derived from a public assistance program, political beliefs, genetic information, veteran’s status, reprisal or retaliation for prior civil rights activity. (Not all prohibited bases apply to all programs.)

In reference to publications, events, or activities: Publications will be made available in accessible formats upon request. Please call 541-672-4461 for information. If you have a physical disability that requires special considerations in order for you to attend the event/activity, please notify the Douglas County Master Gardener program at 541-672-4461 or