Delphine Caire, oldest child of Justinian Caire, was extremely fond of cultivating young trees, including the cypress grove (early 1900s) that is visible from the road. Although there was no water up in this area, the young trees survived and became known as "Delphine's Grove."

Delphine's Grove contributes to the setting of the Santa Cruz Island Ranching Historic District, a property eligible for listing in the National Register of Historic Places. This district includes several historic buildings, structures, roads other features such as the Delphine's Grove.

This historic district is locally significant for it's important history in the developing American economy, representing agriculture and animal husbandry.