Here is a list of places I've seen that you can buy Christmas trees from

Boy Scout lot
Fox campus, Jeffco Blvd
Sale of trees directly supports the boy scouts and their events

Tree Lot at corner of Jeffco and Tenbrook
Trees start at $19.99

Wal Mart

Home Depot 

Do you know of a lot that isn't listed?  Simply email me This email address is being protected from spam bots, you need Javascript enabled to view it and I'll add it to the list!