Get willow branches from landscape nursery in bundles of 100 sticks. Put branches in ground at least 6 inches, and 4 to 8 inches apart (one pointing left, the next pointing right). Using hemp twine, tie them together at the top.
"How to make a living willow hedge" ~ Almost all willows take root very readily from cuttings. Young, thin willow cuttings are known as withies, longer willow rods are known as whips. Willows have high levels of auxins, hormones that promote rooting