He's seen customers' preferences shift through the years from 6-foot Scotch pines to fir trees up to 10 feet tall, and occasionally taller.
According to Donna Cole, executive secretary of the New Jersey Christmas Tree Growers Association, there are now at least 150 Christmas tree farms in New Jersey.
He says the price of "choose and cut" trees hasn't fluctuated in recent years, but they're dealing with other issues. "I'm really excited about my Utah trees, because I think they're priced a little bit lower, and I think people are going to buy them for that reason, and I think we're going to fall in love with them".
The North Carolina Fraser fir is the most popular Christmas tree in North America, according to the North Carolina Christmas Tree Association. He said he's concerned about the availability of land on which to grow Christmas trees.
Every year he goes down to the Sacramento area to sell his trees.
Needlefast Evergreens in Mason County loaded up their last truckload of Christmas trees Tuesday afternoon, but finding these trucks has been the most challenging and expensive part of the young holiday season.
The Millers continue to harvest timber from the forestland, market handmade Christmas wreaths and operate Twin Creek Nursery and Green House, a greenhouse business started by Karen's brother in 1972. The study noted that the number of Christmas trees being planted across the country has also dropped dramatically; falling from 5.6 million in 2010 to 3.7 million in 2015.More news: London's buses turn to coffee to power them through the day
"We love the smell; you get that fresh scent", she said. "The longer a tree grows, the more apt they're going to get diseases". "We do have confidence people will be able to find a real tree, but they should shop early".
For the first time in many years, Thanksgiving will be a quiet holiday for the Vario family.
Charlie Westbrook, who operations the Cherry Place Farm in Rock Hill, said he sells a couple hundred Christmas trees each year.
"Bigger trees we have plenty".
"The Firs hold up the best, Fraser Fir being closer to North Carolina is better than getting a Douglas Fir or Noble Fir from MI or OR, I've handled some of those", said Parker.
Decide which type of tree you want to buy.