Hybrid pepper cultivar designated E420088 which is a bell pepper type and suitable for covered cultivation, is disclosed. The invention provides green bell pepper fruit which has a sweet taste comparable to that of ripe bell peppers due to increased glucose and fructose contents. The invention relates to the seeds of hybrid pepper cultivar E420088 and to the plants of hybrid pepper cultivar E420088. The invention also relates to methods for producing a pepper plant, either inbred or hybrid, by crossing the hybrid cultivar E420088 with itself or another pepper cultivar. The invention further relates to methods for producing other pepper cultivars derived from the hybrid E420088.
