Lettuce, Jericho (60-65 days) 

Latuca sativa

Jericho is a large, light green romaine that forms a dense head. It is heat tolerant and bolt resistant. Bred in Palestine, this hard to beat romaine lettuce has become an industry standard. It's excellent sweet, crisp flavor is almost never outdone.  

Packet (1 g ≈ 800 seeds)

One ounce