Magnolia ‘Iolanthe’ è un ibrido M. soulangeana ‘Lennei’ x M. ‘Mark Jury’. Produce grandi fiori rosa all’esterno, bianchi all’interno. Cespuglio di crescita rapida. Resiste al gelo.
M. ‘Iolanthe’ is a M. soulangeana ‘Lennei’ x M. ‘Mark Jury’ hybrid. It has large pink flowers, paler than ‘Lennei’. White inside. Fast growing shrub. Not too hardy.