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Oklahoma 4-H Horticulture Judging Contest

The contest is held at the Greenhouse Learning Center, Oklahoma State University, Stillwater, OK. Registration for the contest will be held 30 minutes prior to the start of the contest. The 2020 contest will be held October 30.


Horticultural Crop Judging Manual, No. 702

Horticulture Study Guide

4-H Judging Placement Card Example

4-H Horticulture Contest ID Answer Sheet

National Junior Horticultural Association

Intro to Horticulture Judging YouTube Video or Facebook

  • This includes how to complete a contest judging card for the contest and demonstrates three judging classes and how they are placed.

Additional Resources

Junior Master Gardener

Vascular Plant Image Gallery

OCES Fact Sheets - "Gardening with Children" Series

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