Musnad Abu Ya'la al-Mawsili 109:234

Abu Khaythama narrated to us, Rawh narrated to us, Hajjaj al-Sawwaf narrated to us, from Abu al-Zubayr, from Jabir, from the Prophet (may Allah bless him and grant him peace), who said: "Whoever says 'Subhan Allah al-Azim wa bi-hamdihi' (Glory be to Allah the Almighty and by His praise), a date palm tree is planted for him in Paradise."