Youth ages 5-18 (as of January 1, current year) may enroll in the 4-H program at any time. However, to exhibit at the county or state fair, members must be enrolled in 4-H by the enrollment deadline set by the county of enrollment.
- Perkins County-4-H member and project enrollment deadline: May 1
- Chase County-4-H member enrollment deadline: March 1
- Chase County-project enrollment deadline: June 1