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American Chestnut

Audio Tour: Silk Farm Wildlife Sanctuary

Welcome to the newest enhancement of the Silk Farm Sanctuary All Persons Trail. This audio tour provides historical information about the site, ecological information about the surrounding habitats and features, and seasonal information about the wildlife that visits or calls the sanctuary home. We are committed to continue our efforts to protect nature for all people, working to make our programs, lands, and nature centers welcoming, accessible, and equitable to all participants and visitors. This audio tour is a component to that commitment, so that all community members have the opportunity to engage in the experiences that appeal to them.

Stop 6: American Chestnut Restoration

Before the late 1800s, the American Chestnut tree grew abundantly across the eastern U.S. This magnificent shade tree with oblong, jagged-edged leaves was highly prized for its timber. It also produced nutritious nuts in spiky shells that served as an important food source for wildlife, as well as for livestock and people. Before 1900, a fungal parasite known as the American Chestnut Blight was accidentally imported to the U.S. eventually killing most of our Chestnut trees. An estimated 4 billion trees were wiped out by 1950. 

Restoration efforts are underway that may bring Chestnuts back into our forests with adaptations that allow them to survive the Blight. The American Chestnut Foundation grows these trees using a method called ‘backcross breeding.’ This allows them to select for blight resistance and other specific traits. NH Audubon partnered with the New Hampshire/Vermont chapter of the American Chestnut Foundation, and with our neighbors at St. Paul’s School, to plant a demonstration Chestnut grove right here on the Silk Farm Wildlife Sanctuary. In front of you is an area with four blight-resistant trees, all planted in 2016 and growing well. 

Reader: Chris Martin

Photos, from top: View across the pollinator meadow, by Dyanna Smith; American Chestnut tree restoration area, by Dyanna Smith.