It might not be the most wonderful time of the year to buy a Christmas tree. Tree shortages—brought on by droughts and other environmental problems—could be driving up the price of the centerpiece of your holiday decor, Consumerist reported. In particular, the rising cost of trees in Oregon and elsewhere in the Pacific Northwest could hike prices nationwide, since that region supplies to buyers from out of state. Dan Bollander—who was grown trees in drought-stricken Southern California for the past 37 years—told CBS Los Angeles prices spiked by 10% this year.