Preposition: of

• tree: There are extensive gardens and an arboretum of North American trees and shrubs.

Converse of object

• visit: If you are visiting the Arboretum perhaps you could take a few things with you and do a spot of maintenance?

• create: Harold had an amazing enthusiasm for plants and soon embarked upon the ambitious task of creating an arboretum.

• include: Includes an arboretum, fishing lake and children's playground.

• explore: Back on earth, explore the 35 acre Arboretum with over 2000 species of trees and shrubs.

• establish: Set in 30 acres of parkland and boasts an established arboretum with over 300 trees, including some of the rarest in Britain.

• plant: The garden has a good number of mature trees, as well as a newly planted arboretum that provide good autumn color.

Adjective modifier

• small: A small Arboretum leads into the woodland area with a non-alkaline soil.

• new: The trees which survived the experiment will be soon be replanted to a new arboretum within the Expo area.

• national: Their public commemoration in the new memorial in the national memorial arboretum is very fitting.

• Victorian: One by one the massive trees of the Victorian arboretum perish: everywhere, bracken & brambles scramble over tumbled monsters.

• local: Not only that, the local Arboretum where I like to play is closed every evening at 5 instead of staying open till dusk.

• impressive: It is home to an impressive arboretum and ornate glasshouses, not to mention some of the rarest plants in the world.

Modifies a noun

• area: Entering the park, I wandered off to the left from the entrance into the arboretum area.

Noun used with modifier

• acre: Back on earth, explore the 35 acre Arboretum with over 2000 species of trees and shrubs.

• memorial: Their public commemoration in the new memorial in the national memorial arboretum is very fitting.

• city: City arboretum at pointe at pleasant to a crop.