The “Wicked” belter scales a 300-foot tree, and a mountain of songs, in a powerful if woo-woo musical about trauma and resilience.

Idina Menzel is no stranger to flying high above Broadway stages, and she made her soaring return (literally) Thursday night with the new musical “Redwood.” The show marks her first Broadway role since 2014’s “If/Then,

Menzel has plenty to give. She could be the greatest squandered resource on Broadway in decades, which makes this well-intentioned misfire more frustrating: they are literally hanging Menzel out to dry.