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9th Annual Smithsonian Magazine Photo Contest Natural World
A castor bean tree. The oil from a castor bean tree acts as a natural repellent for groundhogs and this one is planted in an organic farm as a form of natural pesticide to ward off unwanted pests.

A castor bean tree. The oil from a castor bean tree acts as a natural repellent for groundhogs and this one is planted in an organic farm as a form of natural pesticide to ward off unwanted pests.

Photo Detail
Date Taken: 06.2011
Date Uploaded: 12.2011
Photo Location: Costa Rica
Camera: Canon EOS DIGITAL REBEL XTi
Copyright: © Natalie Applegate