Christmas trees can last for about three to five weeks once they’re cut, according to Dan; however, keeping the tree watered is essential to its longevity.
In fact, the trunks of cut trees that go without water for even a day, according to Goslin, will form a seal at the bottom and will need to be re-cut in order for the tree to hydrate.
Potter added that putting a little Miracle Grow in the water given to Christmas trees can also help keep them lively through the holidays.
“Just don’t let them run out of water,” Goslin said.
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