Yo-Yo is a daylily featuring yellow petals and sepals (RHS 11A) with a striking dark purple eye (RHS 183A) patterned with triangular spears that reach the petal edges. It has a greenish-yellow throat and produces 6.5-inch blooms with 15 buds on two branches. This semi-evergreen tetraploid blooms during the day and is identified as seedling S776A, a cross of Trembler and an unknown parent.
