• Single Organization Support

• 19.

Friends of the Orange County Arboretum Inc

The Arboretum is a 35-acre natural site for the professionally planned gardens, tree plantings, and water features.

• Botanical Gardens, Arboreta and Botanical Organizations

• 20.

Morton Arboretum

1,700-acre tree-focused botanical garden & science center.

• Unknown

• 21.

Mountain Top Arboretum Inc

Nature's Art: Performing Daily. The Mountain Top Arboretum has 200 contiguous acres of gardens, curated natural areas and forest.

• Botanical Gardens, Arboreta and Botanical Organizations

• 22.

Wegner Arboretum Society

Our Mission: "To nurture connections between plants, people, past and present, in an inspiring natural setting that invites discovery.

Awbury Arboretum Association, Inc.

56-acre public landscape & historic house located in the historic Germantown neighborhood of Philadelphia.

Pine Hollow Arboretum

The Pine Hollow Arboretum (PHA) is a 22-acre free public arboretum open 365 days from dawn until dusk The Pine Hollow Arboretum’s mission is to preserve, manage and enhance native and introduced species of trees, shrubs and other plants in a natural and aesthetic environment.

• Botanical Gardens, Arboreta and Botanical Organizations

• 25.

Longview Arboretum and Nature Center

An Arboretum and Urban Forest development of a nonprofit corporation 501(c)(3) to enhance the beauty, recreational, and educational centers in Longview.

• Single Organization Support

• 26.

Friends of the Arboretum

Restoring land & enriching lives – 1,200 acres of nature for science & community.

LOS ANGELES ARBORETUM FOUNDATION INC

We are a unique 127-acre botanical garden & historical site located in the city of Arcadia, CA.