River RD is a new romaine with Tomato Bushy Stunt resistance. River RD has slightly better downy mildew tolerance compared to Green Forest. Weight is heavy with a thick leaf texture. This variety makes for an impressive pack for fresh and heart markets and also has excellent weight for processor market. It has good tipburn and sclerotinia tolerance when compared to other competitive lines in the market. Plant River RD against the following competitive varieties, Rio Bravo, Green Thunder, Zuma, Mando, and True Heart.