- U.S. No. 1 consists of romaine plants of similar varietal characteristics which are fresh, well developed, well trimmed, and which are free from decay, and free from damage caused by seedstems, broken, bruised or discolored leaves, tipburn, wilting, foreign material, freezing, dirt, disease, insects, mechanical or other means.
Detailed standards, Inspection Instructions & Other Resources:
- U.S. Grade Standards for Romaine (pdf)
- Inspection Instructions for Romaine (pdf)
- Unofficial Romaine Visual Aid (pdf)