Morris Arboretum

Morris Arboretum

Connecting people, plants, and place.

Notice: Our website is currently undergoing maintenance and information may not be current. For assistance please contact info@morrisarboretum.org.

Horticulture Research

Horticulture Research

Collaborative Plant Exploration Program in China

Morris Arboretum's Paul W. Meyer, The F. Otto Haas Director and Anthony S. Aiello, The Gayle E. Maloney Director of Horticulture and Curator have been part of the collaborative plant exploration program in China for many years. Learn more about their expeditions to China in The Arnold Arboretum of Harvard University's quarterly publication, Arnoldia.

The Quest for the Hardy Southern Live Oak
Anthony S. Aiello

Japanese Flowering Cherries: A 100-Year-Long Love Affair
Anthony S. Aiello

The Return to China, Mother of Gardens
Paul W. Meyer

By the Numbers: Twenty Years of NACPEC Collections
Anthony S. Aiello, Michael S. Dosmann

Paperbark Maple - Acer griseum
Paul W. Meyer

Manchurian Fir - Abies holophylla
Paul W. Meyer

Amur Maackia - Maackia amurensis
Paul W. Meyer

Farges Filbert - Corylus fargesii
Anthony S. Aiello


The Catalogue of Plants in the Living Collection

This online catalogue is a listing of every living plant for which collection records are kept. It represents 7,520 records for plants and seedlots alive in the Arboretum as of January 2014. Because a record may have more than one plant, our collection has over 12,000 accessioned plants and seedlots. These 12,000 plants represent approximately 2,500 taxa (types of plants). Annuals and most perennials are not accessioned.

This list is arranged alphabetically by scientific name. It gives accession number, current location, scientific name, common name, provenance, source, how received, collector number, and native range for each plant or seedlot. Accession numbers ending with an “#” are seedlots or non-labelled seedlings in propagation.

A grid map of the Arboretum is included to help users locate plants throughout the living collection. Plants located at the Greenhouse, the Nursery, or Bloomfield Farm can be viewed by appointment only.

Download a pdf of the Catalogue of Plants in the Living Collection


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Plant Clinic

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Plant Collection Catalogue (PDF)

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Weather Update:

The Arboretum is open as usual.
Please note that winter weather conditions can change quickly, check back or call (215) 247-5777 before heading out for a visit.

Weather conditions may limit garden access to certain features even if the garden is open – please check the web site or call (215) 247-5777 for updates before visiting. Our visitors’ safety in the garden is our top priority. Therefore when inclement weather is predicted, we will make decisions about closing the garden accordingly.

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