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Plant Collections Network

Kalmia

In 2010, the rhododendron and mountain laurel collections at the Jenkins Arboretum became nationally recognized as the Arboretum joined the American Public Gardens Association’s Plant Collections Network (formerly North American Plant Collections Consortium, NAPCC) – a group of botanical institutions dedicated to preserving plant germplasm. 

Hamamelis

The Dawes Arboretum is a proud participant in the Plant Collections Network (formerly North American Plant Collections Consortium, NAPCC). Our collections are maintained with proper documentation and maintenance practices as defined by the mandates established for inclusion in a Plant Collections Network collection.

Hamamelis

In the fall of 2015, Bartlett Tree Research Laboratories and Arboretum earned Plant Collections Network (formerly North American Plant Collections Consortium, NAPCC) Accreditation for its Hamamelis Collection. Located in USDA Hardiness Zone 7, this collection represents a broad range of witch hazels well suited for home and urban landscapes. This represents the fifth Plant Collections Network recognized collection for Bartlett, with Acer and Ulmus collections also being accredited in 2015.

Carya

Since 2002, the Arnold Arboretum has been a member of the Plant Collections Network (formerly North American Plant Collections Consortium, NAPCC), a network of botanical gardens administered through the American Public Gardens Association in cooperation with the U.S. Department of Agriculture. The primary focus of the Plant Collections Network is the long-term preservation of germplasm for research. Participating institutions commit to holding and developing collections that are primarily organized at the genus level.

Bamboo

San Diego Botanic Garden’s (SDBG) extensive bamboo collection—the largest one in a North American public garden—is accredited by the Plant Collections Network (formerly North American Plant Collections Consortium, NAPCC). This accreditation designates the collection as a resource for plant identification, cultivar registration, and research. Originating with the founding of the American Bamboo Society at the garden in 1979, the SDBG bamboo collection consists of 121 taxa. These include Asian species and cultivars as well as species from the Himalayas, South America, and Africa.

Camellia

Superintendent William Hertrich first planted camellias in railroad baron Henry Huntington’s southern California estate in 1908-09. The original planting consisted of two dozen plants. Now there are over 1900 camellias planted at the Huntington. One of the original plants, Camellia japonica ‘Pink Perfection’, still exists on the property.

Cycad Multisite

The cycad garden at Ganna Walska Lotusland was one of the last to be added by Madame Walska to her 37-acre estate. Over the years she planted a few individual cycads because they reminded her of her favorite plants, the palms. In the early 1970s, however, she decided to collect as many species of cycads available and displayed them in their own corner of the property.

High Elevation Palms

San Francisco Botanical Garden's Arecaeae (Palm Family) Collection has achieved Plant Collections Network (formerly NAPCC) Accreditation. The Bay Area’s mild Mediterranean climate with coastal fog is the ideal environment for growing high-elevation palm species outdoors. These conditions enable successful cultivation of rare, heat-intolerant species from cloud forest habitats in the Andes and Temperate Asia, a significant contribution to ex situ conservation initiatives.   

Ferns

The University of California Botanical Garden has over 500 accessions of 360 taxa of ferns.  About 65% grow in the outdoor collections, and about 84% are of known wild origin, making them particularly valuable research specimens. In 2012, the Garden’s fern collection was recognized as a collection of national significance by the Plant Collections Network (formerly NAPCC). 

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