Ostara is the title of the second album by The Wishing Tree, a project by Marillion's guitarist Steve Rothery and singer Hannah Stobart. The album was produced and engineered by Rothery and mixed by Michael Hunter, who also produced the two most recent Marillion albums. Hunter also contributed additional keyboards and percussion. The artwork is by Spanish artist Antonio Seijas, who had created the artwork for Marillion's Happiness is the Road (2008). Rothery's wife Jo and daughter Jennifer are credited for additional backing vocals and cover design, respectively. The drummer is Hannah's husband Paul Craddick (of Enchant).