He was called 'the Cloistered Emperor Hagiwara' while he was in power and was given Tsuigo of Hanazono in after he died, named after the Sento Palace (the retired emperor's palace) of Hagiwara dono in Rakusei Hanazono.
仙洞御所である洛西花園の荻原殿にちなみ、生前は「萩原法皇」と称され、崩後花園院と追号。