Here are upcoming gardening events through the Ohio State University Trumbull County Extension Office. For more information and a complete list, contact the OSU Extension Office, 520 W. Main St. Suite 1, Cortland, at 330-638-6783. Office hours, 8:30 a.m. to 4:30 p.m. Monday to Thursday.

For more details on events in Trumbull County, go to http://trumbull.osu.edu.

Holiday Containers Make and Take

When: 3 and 6 p.m. Tuesday

What: Turn your outdoor containers into holiday masterpieces. Classes will cover form and style, along with finding and using several kinds of greenery, branches and natural cuttings from the landscape.

Cost: $20, includes greenery and design materials

Location: Mahoning County Extension Office, 490 S. Broad St., Canfield

Info and registration: https://go.osu.edu/holidaycontainers11-30

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When: 6 p.m. Wednesday

What: Turn your outdoor containers into holiday masterpieces. Classes will cover form and style, along with finding and using several kinds of greenery, branches and natural cuttings from the landscape.

Cost: $20, includes greenery and design materials

Location: Columbiana County Fairgrounds, Sales Office, Lisbon

Info: keshock.3@osu.edu 330-870-1167

Register: http://go.osu.edu/greenery4containers

Volunteer Training Open House

When: 2 p.m. Thursday

What: A social time to talk about the program and enjoy refreshments with current volunteers, who will share details about upcoming training that begins Feb. 1.

Cost: Free

Location: OSU Extension, 490 S. Broad St. Canfield

Info and registration: http://go.osu.ed/gardenvounteer

Naturalist Training Open House

When: 6 p.m. Thursday

What: Learn about becoming an Ohio Certified Volunteer Naturalist. This certificate program provides intensive, nature focused training. Applicants to the program should be willing to share their passion for the natural world and to promote environmental stewardship while giving back through community service.

Cost: Free

Location: OSU Extension, 490 S. Broad St. Canfield

Info and registration: http://go.osu.edu/naturevolunteer