PhD Horticulture and Crop Science at The Ohio State University

Programme overview

Graduate students in Horticulture and Crop Science study the biology, production and environmental impact of a wide range of crop and ornamental plants grown in Ohio and around the world. The programme trains scientists to address production of food, feed, fuel, fiber and pharmaceutical crops in ways that are economically viable, socially acceptable and environmentally responsible.

Department: Department of Horticulture and Crop Science | Intake: Spring, Summer, Autumn | Study mode: full-time | Location: Columbus, OH, United States

What you will study

Students may work with grain crops such as corn, wheat, forages and soybean, vegetables, fruits, berries, turfgrass, flowers, trees and ornamental landscape plants, with laboratory and field research in genetics, breeding, horticulture, seed biology, agronomy, viticulture, weed ecology, soil science and turfgrass science.

Official programme page

Application information

Entry requirements

International applicants: proof of English proficiency with minimums of TOEFL iBT 4.0 (equivalent to 79 for tests taken before January 2026), IELTS Academic 6.5 or Duolingo 120. Application deadlines (US / international): Spring 2027 Aug 31, 2026 / Aug 31, 2026; Summer 2027 Dec 13, 2026 / Nov 30, 2026; Autumn 2027 Dec 13, 2026 / Nov 30, 2026.

Tuition is charged per credit, so the total depends on the modules you register for each year. Current fees are listed in the official fee schedule.

Intake: Spring, Summer, Autumn

Apply through the official page: https://gpadmissions.osu.edu/

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