Collecting a Field-Grown Maple

The North Carolina Arboretum's bonsai collection has quite a few nice little trees with big, impressive trunks, and many of the specimens were grown in place. How was it done? Through in-ground growing. Over the past twenty-five years the Arboretum's Bonsai Curator Arthur Joura has been refining techniques for producing small trees with large trunks, demonstrated in this new video documenting part of the process.