Planting THe ORchard?

Question

My neighbor has an unusual orchard. He has five apple trees, five peach trees, five pear trees, five apricot trees, and five plum trees. The trees are planted in five rows of five trees each. Each row and each column has exactly one of each variety and so do both center diagonals.
How are the trees planted?

Answer 1

Here's one way it could be planted:

apple, plum, peach, pear, apricot
peach, pear, apricot, apple, plum
apricot, apple, plum, peach, pear
plum, peach, pear, apricot, apple
pear, apricot, apple, plum, peach

Answer 2

They're planted In the ground! If your neighbor truly has an orchard like this there must be some interesting fruit growing with all the cross pollination.