Making Rope the Way it’s Been Done for Thousands of Years in Norway The bark of lime trees is harvested in the spring when the sap is rising. January 8, 2017 by The Editors Leave a Comment After soaking in the sea for three to four months, the bark is separated into layers and the hands-on part of rope making commences. Lime Bast Rope from S Ensby on Vimeo. _____