The Texas Plant Disease Diagnostic Laboratory (TPDDL) may experience intermittent closures throughout the year for holidays, facility maintenance, or staffing limitations. Below are the planned dates the TPDDL will be closed for sample intake.
| 2025 |
| November 26–28 |
| December 18–31 |
| 2026 |
| January 1–2 |
| January 19 |
| February 9 |
| March 9–13 |
| April 3 |
| April 13 |
| May 25 |
| June 8 |
| June 19 |
| July 3 |
| August 10 |
| September 7 |
| October 12 |
| November 23–27 |
| December 14-31 |
| January 1, 2027 |
