- Richard Trethewey (Himself)
- Norm Abram (Himself)
- Roger Cook (Himself)
- Kevin O'Connor (Host)
- Tom Silva (Himself)
- Steve Thomas Rooney (Himself)
Ask This Old House — S24E16
Episode: Grass Seed Facility, Porch Swing
Air Date: 2026-02-19
Runtime: 25 min
Overview
Lee heads to Washington state to uncover why the Pacific Northwest is the heart of Kentucky bluegrass seed production. Mark breaks down popular paver types and walkway patterns. Nathan teams up to install a porch swing.