The author talks about the different apple trees planted in his orchard in Pennsylvania. He mentions the good and bad characteristics of each. These trees include the Blue Pearmain, Lodi, Cortland, Arkansas Black, Smokehouse, Granny Smith, Stark Jumbo, Baldwin, Jonathan, Roxbury Russet, Ribston Pippen and Yellow Delicious, among others. He gives advice on how to grow each of them and what products the fruit will be most effectively turn into.