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Horticultural Biology, Ph.D.

  • Application Deadline
  • 36 months
University rank #18 (QS) Ithaca, NY, United States
Although emphasis is on horticultural plants and systems commonly found in areas of temperate climate, graduate study on species and cropping systems of tropical areas is also possible by use of our extensive greenhouse and growth chamber facilities, and through conduct of thesis research in tropical areas.
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  • Members of the graduate field of horticulture reside in the Department of Horticulture on the Ithaca campus, and at the New York State Agricultural Experiment Station in Geneva. In addition, some faculty members of other departments such as Plant Biology, Plant Breeding, Crop and Soil Science, etc., may also be members of the graduate field of horticulture.
  • Minor fields of study may be selected from such areas as plant physiology, pathology, anatomy, or ecology; biochemistry; botany; entomology; taxonomy; genetics; education; soils; agricultural, resource, and managerial economics; communication; agricultural and biological engineering; and landscape architecture.

Detailed Programme Facts

  • Programme intensity Full-time
    • Full-time duration 36 months
  • Languages
    • English
  • Delivery mode
    On Campus

Programme Structure

Concentrations by Subject

  • Breeding Of Horticultural Crops
  • Horticultural Crop Management Systems
  • Human-plant Interactions
  • Physiology And Ecology Of Horticultural Crops

English Language Requirements

You need the following IELTS score:

  • Minimum required score:


    The IELTS – or the International English Language Test System – tests your English-language abilities (writing, listening, speaking, and reading) on a scale of 1.00–9.00. The minimum IELTS score requirement refers to which Overall Band Score you received, which is your combined average score. Read more about IELTS.

General Requirements

  • all Graduate School Requirements, including the TOEFL Exam for Non-Native English Applicants
  • three recommendations
  • GRE general test

A strong background in life sciences is important, as evidenced by grades, coursework and research projects undertaken. 

For all non-native English speaking students, a minimum TOEFL of reading 20, writing 20, listening 15 and speaking 22 (Internet-based test) is required and a cumulative score is not acceptable. 

Tuition Fee

  • International

    20800 USD/year
    Tuition Fee
    Based on the original amount of 20800 USD per year and a duration of 36 months.
  • National

    20800 USD/year
    Tuition Fee
    Based on the original amount of 20800 USD per year and a duration of 36 months.
We've labeled the tuition fee that applies to you because we think you are from and prefer over other currencies.

Living costs for Ithaca

  • 1128 - 2460 USD/month
    Living Costs

The living costs include the total expenses per month, covering accommodation, public transportation, utilities (electricity, internet), books and groceries.


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