That’s when most Christmas tree farms are open for business. He said the good thing about tree farms is that most have plenty of space to let customers spread out and social distance. There are 15 Christmas tree farms in the greater Houston area. If you choose to stay home, you can get a fresh tree delivered, but you may be waiting a minute. Home Depot advertises that you can order your fresh cut Christmas tree online today and get free delivery if the tree costs at least $45.