About Certified Horticulturist Program

cropped-CHtext_Logo_2color2911.pngThe American Society for Horticultural Science Certified Horticulturist (ASHS-CH) professional certification program is the national credential validating the knowledge and skills of working horticultural practitioners in the industry of horticulture.

Format of the Examination

  • The certification examination consists of 200 multiple-choice questions.
  • Each question has four choices listed, only one of which is correct.
  • You will have 4 hours to complete the examination.
  • You must achieve an overall score of at least 71%.

The following sample quizzes are examples of the types and formats of questions that will be on the ASHS Certified Horticulturist examination. The correct response is identified within each question. You may repeat these quizzes as often as you like. Your name and results will not be saved or communicated to anyone.

Quiz 1: Landscape Design & Maintenance Quiz 2: Production of Fruits, Vegetables, Turf, and Ornamental Plants
Quiz 3:  Handling and Shipping of Horticultural Products Quiz 4:  Propagation
Quiz 5:  Monitoring & Testing Quiz 6:  Diagnosing and Managing Plant Problems
Quiz 7:  Business Practices

Good luck!

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