Past Events

  1. Lawn & Garden Talk: Fungi Farming: Growing Your Own Mushrooms

    Sep. 24, 2025 6:00pm to 8:00pm

    Discover the fascinating world of mushroom cultivation at our upcoming event, featuring guest speaker Kayla Wyse, ANR Educator in Williams County. Learn about different mushroom varieties, ideal growing conditions, and how to create the perfect environment for your fungi to thrive. Kayla will share her expertise on sustainable gardening practices and innovative techniques for mushroom cultivation. You will even get a starter kit to grow your own mushrooms at home!  Event is free and open to the public.

  2. Farm Science Review

    Sep. 16, 2025 9:00am to Sep. 18, 2025 4:00pm

    Single day tickets are $10 from county OSU Extenison Offices and participating Ohio agribusinesses. Single day tickets are $15 at the gate. Children 5 and under are admitted free. Visit the Farm Science Review website at fsr.osu.edu to learn more.

  3. Mercer Office Closed

    Sep. 01, 2025 (All day)

    The Mercer County OSU Extension Office is closed this day in observance of Labor Day.

  4. Lawn & Garden Talk: From Stem to Centerpiece: Crafting Cut Floral Radiance

    Aug. 27, 2025 6:00pm to 8:00pm

    Join us for an inspiring seminar led by Master Gardener Volunteer Marily Schweitzer, where you'll learn the art of creating stunning cut flower centerpieces. Marily will share expert tips on selecting and arranging flowers to create beautiful, eye-catching displays. Additionally, she will provide valuable advice on how to care for your flower garden to ensure you grow healthy, vibrant blooms perfect for cutting. From soil preparation to watering techniques and pest control, you'll gain the knowledge needed to cultivate a flourishing garden that produces gorgeous flowers all season long.

  5. New Fertilizer Applicator Training

    Aug. 27, 2025 9:00am to 12:00pm

    Attend this training to gain your fertilizer applicator certification in the State of Ohio. Topics covered include regulatory requirements, nutrient management, environmental protection, application techniques, record keeping, Ohio water quality issues, and more. Certification is valid for three years. The cost of the class is $30 to cover books and materials for each attendee. Click here to register

  6. Mercer County Fair

    Aug. 07, 2025 (All day) to Aug. 13, 2025 (All day)

    Mercer County Fair Website

  7. Lawn & Garden Talk: All Fertilizers Are Not Created Equal, So What's Best For My Plants?

    Jul. 30, 2025 6:00pm to 8:00pm

    Join us as Ryan McMichael, ANR Educator from Mercer County OSU Extension, teaches about fertilizers for your garden. He will cover essential information on how to choose and use fertilizers to enhance the health and growth of your garden. Participants will learn about different types of fertilizers, their benefits, and the best practices for application. Whether you're a beginner or an experienced gardener, this talk will provide valuable insights to help you cultivate a thriving garden. Event is free and open to the public.

  8. Mercer County Ag Education Series Wetland Tour

    Jul. 19, 2025 9:00am to 12:00pm

    Mercer County Ag Agencies invite you to a Grand Lake St. Marys Wetland Tour and plant ID activity. The tour begins at the Little Chickasaw Boat Ramp. Completion of the activity will result in a prize at the end of the event at Windy Point (limited quantity). The morning includes several wetland stops along the south side of the lake, and participants must provide their own transportation.  RSVP for the free lunch by July 11, 2025 by calling 419-586-3289 ext. 3, or email swcd@mercercountyoh.gov.

  9. Mercer Office Closed

    Jul. 04, 2025 (All day)

    The Mercer County OSU Extension Office is closed this day in observance of Independence Day.

  10. Lawn & Garden Talk: Major Garden Debate: Raised Beds vs. Traditional

    Jun. 25, 2025 6:00pm to 8:00pm

    We are excited to have Caden Buschur as our guest speaker for our third Lawn & Garden Talk of 2025. Caden is the ANR Educator at Darke County OSU Extension. With variables such as cost, space, soil quality, drainage, accessibility, and maintenance, it can be hard to decide which bed to grow in. Caden will lead an engaging discussion on the pros and cons of raised bed gardening versus traditional in-ground gardening.  Event is free and open to the public.

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