The daylily Blue oasis was hybridized by Salter-E.H. in 2002. Blue oasis was hybridized by crossing (Mystic Mariner × sdlg). The color of Blue oasis can be described as cream white with large round blue violet eye above yellow green throat. It is a Diploid. It has a bud count of 35. It blooms in (Early-Midseason,Rebloom). It's flowers measure (3.5 in, (9 cm)). It has 4 branches. It has a normal scape height of (20 in, (51 cm)).