Choose a fresh cut tree. The best way to ensure you have the freshest Christmas tree is to head out to your local New York State Christmas tree farm or lot.
Fresh water - make sure you get your tree in water within the first 12 hours of bringing it home.
Monitor the water in your tree stand bucket daily.
Keep your real Christmas tree away from sources of heat.
There is no reason to add preservatives. The National Christmas Tree Association doesn't recommend adding any type of manufactured preservative.
Use lights that are low heat such as LED's or miniature lights will reduce the drying of your tree keeping look fresh and beautiful.