There's a special feel about this place: very different from some of the bigger farms around Lexington, with their miles of fencing leading to wide horizons. Here trees fill the undulations like green mist, and then there's this gem of a house, faithfully reproduced from a much older one in New Hampshire that Dede McGehee came across in a book one day. Hummingbirds flit into the flower baskets on the veranda. Overall, Heaven Trees Farm feels very apt to its name. "Except when I looked into it, it turned out...