Waikato is the top region by total onions (hectares) in New Zealand. As of 2012, total onions (hectares) in Waikato was 1,837 hectares that accounts for 32.77% of New Zealand's total onions (hectares). The top 5 regions (others are Auckland, Canterbury, Hawke's Bay, and Manawatu-Wanganui) account for 98.95% of it. New Zealand's total total onions (hectares) was estimated at 5,606 hectares in 2012.