The daylily Double Blue Blood was hybridized by George-T. in 2005. Double Blue Blood was hybridized by crossing ((Layers of Gold × Victoria's Secret) × (Jog On × Highland Lord)). The color of Double Blue Blood can be described as blue blood red self above pale yellow throat. It is a Tetraploid. It has a Double 99% form. It has a bud count of 21. It blooms in (Early-Midseason,Rebloom). It's flowers measure (5.5 in, (14 cm)). It has 4 branches. It has a normal scape height of (26 in, (66 cm)).