Botanical Gardens

Greenwich Town Arboretum is located in Greenwich, CT.

The Greenwich Tree Conservancy in partnership with the Town of Greenwich, continues to expand the town wide Arboretum, an educational guide to our urban forest.

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An arboretum is a place where trees, shrubs and herbaceous plants are maintained, labeled, cataloged and mapped for scientific and educational purposes.

ArbNet Accredited Arboretum – Level I... Read more >

Harbor House is located in Newport, RI.

ArbNet Accredited Arboretum – Level IV... Read more >

Harold L. Lyon Arboretum is located in Honolulu, HI.

ArbNet Accredited Arboretum – Level I... Read more >

Hartman Arboretum is located in Evansville, IN.

Wildlife Garden, Hydrangea Garden.

ArbNet Accredited Arboretum – Level III... Read more >

Haverford College Arboretum is located in Haverford, PA.

The mission of the Haverford College Arboretum is to steward the College's historic tree collection while fostering a connection between its 216-acre campus.

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The Hawaii Tropical Bioreserve and Garden is a nonprofit 17-acre botanical garden and nature preserve located in Pāpa'ikou, Hawaii (island). The garden contains over 2,000 plant species, representing more than 125 families and 750 genera,... Read more >

Hayes Arboretum is located in Richmond, IN.

ArbNet Accredited Arboretum – Level II... Read more >

Heritage Museums and Gardens (100 acres), formerly the Heritage Plantation of Sandwich, is located in Sandwich, Massachusetts. The public garden, with its nationally significant collection of rhododendrons hybridized by Charles Dexter, has... Read more >

Hermitage Museum & Gardens features 12 acres of gardens and grounds in addition to its nationally recognized art collection that spans 5,000 years.... Read more >

Hidden Lake Gardens is a 755-acre botanical garden and an arboretum operated by Michigan State University situated in the Irish Hills of southeast Michigan. The Gardens are known for their large collection of native and nonnative trees, sh... Read more >

Hillwood Estate, Museum & Gardens is a decorative arts museum in Washington, D.C.. The former residence of businesswoman, socialite, philanthropist and collector Marjorie Merriweather Post, Hillwood is known for its large decorative arts c... Read more >

Historic Linthicum Walks Arboretum is located in Gambrills, MD.

Linthicum Walks is a 200 year old house whose history reflects the agricultural past of western Anne Arundel County. The property is known for its beautiful gardens and... Read more >

Historic London Town and Gardens is located in Edgewater, MD.

Just outside of Annapolis, MD, Historic London Town and Gardens reveals the "lost" colonial town of London and shares a garden sanctuary on the South River.

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Historic Rittenhousetown Arboretum is located in Philadelphia, PA.

Home to over 80 species of trees and shrubs, the Arboretum at Historic Rittenhouse Town is on a 20-acre historic site in the Wissahickon Valley Park in Philadelphia.... Read more >

The Holden Arboretum, in Kirtland, Ohio, is one of the largest arboreta and botanical gardens in the United States, with more than 3,600 acres, including 600 acres devoted to collections and gardens. Diverse natural areas and ecologically ... Read more >