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Other Articles/Publications:
U.S. National Arboretum: Gardens: FAQs: Mexican flowering dogwood
A lesser known but important purpose of the National Arboretum is to collect and preserve ornamental plant germplasm. Sometimes, the National Arboretum is one of just a few botanical collections in the world that is growing a particular woody or herbaceous plant species.

Gardens and Horticulture Index Page
Your browser does not support script. Please use the navigation text menu at the bottom of the page. Garden Displays, Collections and Structures Map of Arboretum Grounds

Searching the Globe
Few gardeners can say they are at a loss for new plant material. With a click of the mouse on the Internet or a casual flip through a catalog, a gardener can be anywhere in the botanical world and back again within seconds: camellias from Japan; boxwood from the Republic of Georgia; geraniums from South Africa; or magnolias from South Carolina.

USNA Plant Introductions and Releases
Many of the ornamental and flowering trees and shrubs and herbaceous garden plants found in cities, towns, and home landscapes throughout the United States and many other countries were developed by scientists at the U. S. National Arboretum through years of hybridization, selection, and careful evaluation.

U.S. National Arboretum: Gardens: FAQs: 'Green Giant' Arborvitae
A U.S. National Arboretum elite plant, this ornamental, pyramid-shaped conifer is an outstanding landscape tree that gives you the look you want with improved performance. Additionally, deer grazing does not appear to be a problem for these hardy trees—certainly a beneficial quality for landscape plants.


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University of California Riverside Botanic Gardens
Riverside,  California  (CA)  92521-0124