Heather Kennett has written an article about Plympton residents fear that four-storey housing will ruin their suburb in the Guardian Messenger.
Mr Betts urged residents to examine the proposal and lodge a submission with the council before community consultation ended on Friday (February 22).
Height limits would rise to eight storeys on Anzac Highway.
West Torrens Mayor John Trainer said the council would consider the residents' views in preparing its official response to the State Government.