One Christmas tree is decorated with tartan bows, another with cards and one has decorations which have come from England.
There are more than 40 of them and they are all on display at St John's Golden Church Festival of Christmas Trees.
DianePennington, one of the organisers, said the event is about celebrating the "true meaning of Christmas".
"It's not a commercial thing, it's a joyous family-centred celebration. We have more than 40 Christmas trees on display and each one has been decorated by a local community group. It's absolutely wonderful, the trees are wonderful and each one is unique and different."
Some of community groups that decorated trees include Whangārei Heads Pioneer Church, The Fijian Community, Mairtown Kindy, Northland Down Syndrome Trust, Sands and more.