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OSU Extension

College of Food, Agricultural, and Environmental Sciences

CFAES

Greene County

Ask the Expert

Have questions about your home garden, lawn, landscape, or plant health?

We’re here to help.

OSU Extension Greene County and our trained Master Gardener Volunteers provide non-biased, research-based answers to your gardening and plant-related questions.

To help us better assist you, please include:

  • The name of the plant or problem (if known)

  • Where the plant is growing (shade/sun, container/ground)

  • How long you’ve had it

  • When symptoms started

  • A detailed description of the symptoms

  • Photos (if available – these are especially helpful)

Submit Your Question Online:

Plant & Pest Diagnostic Support

Plant & Pest Diagnostic Clinic

C. Wayne Ellett Plant and Pest Diagnostic Clinic
Specializes in identifying plant diseases, insect issues, and plant health problems.

Visit the Clinic Website

Buckeye Yard & Garden Line (BYGL)

BYGL provides weekly updates on Ohio’s growing conditions, plant diseases, insect alerts, and cultural care tips. Articles are written by Extension, Nursery, Landscape, and Turf (ENLT) team members and are designed for both industry professionals and home gardeners.

Visit BYGL
Subscribe by emailing: bygl@osu.edu
Additional fact sheets available at: OSU PlantFacts

Note: Trade names are used for educational purposes only. Always follow label directions for pesticide use.
OSU Diversity Statement

Tree Health & Forestry Resources

Swarm and Pest Management

Soil Sampling & Fertility Testing

Soil testing helps evaluate nutrient imbalances, informs responsible fertilizer use, and promotes healthy plant growth.

Greene County Soil Testing Information

Cost:

  • Agronomic samples: $20

  • Turf/Ornamental/Lawn samples: $24
    (Make checks payable to: OSU Extension Greene County)

Steps to Submit a Sample:

  1. Register for Soil Testing

  2. Submit your sample during office hours or use our 24/7 drop box.

  3. Receive results within approximately 10 business days.

What’s Tested:

  • pH, phosphorus, potassium, calcium, magnesium

  • Lime and fertilizer recommendations

  • Optional tests: Organic matter, micronutrients

Additional Resources:

Water Quality Resources

Greene County Local Resources

  • Greene Soil & Water Conservation District

  • Before You Build Brochure

  • Greene County Environmental Services

     

    Invite a MGV to Speak at Your Event

    Would your club, garden group, school, or community organization like a Greene County Master Gardener Volunteer to present at your next meeting or event?

    Our volunteers offer engaging, research-based presentations tailored to your audience and interests—on topics ranging from native plants and pollinators to composting, tree care, seasonal gardening, and more.

    Coming Soon: Our new Speaker Bureau Page will include a full list of presentation topics, speaker bios, and helpful resources to help you choose the right program for your event.

    In the meantime, to request a speaker or educational program, please reach out to the Greene County Extension office.