The daylily Double Banana Split was hybridized by Gossard-D. in 2016. Double Banana Split was hybridized by crossing (Heavenly Mellow Yellow × Tet. Double Old Ivory). The color of Double Banana Split can be described as medium yellow with a slight green throat. It is a Tetraploid. It has a Double 98% form. It has a bud count of 18. It blooms in (Midseason-Late,Rebloom). It's flowers measure (6 in, (15 cm)). It has 3 branches. It has a normal scape height of (34 in, (86 cm)).