This week and early next week workshops to help local businesses light up their windows will be held for those who want to get in on the action.
She said a competition would be held to find the best lit-up retail business in the city and the Rudolph the Red Stag Reindeer Hunt will see 20 small reindeer hidden in shops around the city for people to find.
Rotorua Trust chairman Grahame Hall and Rotorua mayor Steve Chadwick will open proceedings and switch on the city's lights at Thursday's official opening.
Inner City Focus Group spokesman Mike Steiner said it was an exciting idea and he hoped businesses would get behind it. "These ideas only work if the community get behind them," he said.
"We want to encourage people to dress up their shops for the festive season, it might take a few weeks to catch on, but we really want to see that festive atmosphere here in town.
"We invite everyone to come down on Thursday and enjoy the entertainment, the big Christmas tree and see what it will look like."
Mr Steiner said planter boxes with red and green maples would line parts of Tutanekai St and he encouraged businesses from all parts of the city to take part and show their support.
For details head to Facebook/lightrotorua.