The owner of Capilano, Australia's biggest-selling manuka honey brand, has launched a blistering attack on New Zealand manuka honey, throwing facts and decorum to the wind and sinking trans-Tasman honey ties to a new low.

The Capilano Honey leaflet that berates New Zealand mānuka honey as inferior to Australian mānuka honey in seven categories reads as an enemy act. Yet from the viewpoint of marketers, Capilano has done the right thing.