Reply To: Why do we beat hoshanos on Hoshanah Rabbah? Home › Forums › Decaffeinated Coffee › Why do we beat hoshanos on Hoshanah Rabbah? › Reply To: Why do we beat hoshanos on Hoshanah Rabbah? September 27, 2012 2:50 pm at 2:50 pm #899096 HaLeiViParticipant It is a Takana from the Neviim and it is a Ritzui for rain.