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JC Raulston Arboretum e-Update

November 2008

In This Issue

A Witchhazel from South of the Border

Hamamelis virginiana var. mexicanaA relatively newly described variety of our native witchhazel, Hamamelis virginiana var. mexicana, or Mexican witchhazel was collected south of the border by our friends at Yucca Do Nursery. The showy creamy yellow flowers are carried in profusion during November often while the foliage is still green and looking good. The small stature and unusual flowering time of witchhazels make them excellent additions to the garden. This particular variety is much easier to root from cuttings than most other Hamamelis species. And should be more widely planted.

Our specimen is nestled next to the front door of the Ruby C. McSwain Education Center where it can be appreciated even when fall turns too cool for a leisurely stroll through the collections. Grow this shrub or small tree in sun or part shade in average to dry soil. We’re not sure how hardy this plant will turn out to be, but we’ve grown it in a protected spot for four years. – Mark Weathington, Assistant Director and Curator of Collections

Tree Care

Quercus robur f. fastigiataAll JCRA members and the public are invited to an informal educational program sponsored by the JCRA and Bartlett Tree Experts on December 2, 2008, at 10:00 AM. The tree experts from Bartlett will discuss the total tree care program they have implemented to restore the health of one of the Arboretum's signature trees, the fastigiate Quercus robur. This tree resides near the entrance to the Klein-Pringle White Garden. The tree has been negatively impacted over the years due to its proximity to the old gravel parking lot, suffering from soil compaction and other stresses. The Bartlett staff will discuss their ongoing program to restore the health of this tree, including soil sampling and nutritional management, pruning strategies, insect and borer control, and compacted soil remediation. Included in this program will be a demonstration of "air spading," the use of high pressure air to alleviate localized soil compaction. Please join us for what promises to be an interesting program. The program is free. No preregistration required. Proceed directly to the location of the tree, near the north entrance to the White Garden, for the program. – Denny Werner, Director

State Employees Combined Campaign

Participating in the NC State Employees Combined Campaign?  If yes, please consider designating the JC Raulston Arboretum with your gift (#1595 on the designation sheet).

The State Employees Combined Campaign is the official workplace giving campaign for NC state employees and retirees including retired public school teachers.  Governor James B. Hunt, Jr., authorized the SECC by Executive Order in 1984, and state employees conducted the first campaign in 1986.  Since that time, state employees and retirees have contributed nearly $70,000,000 for hundreds of local, state national, and global charitable organizations.  Please visit the NCSECC Web site and learn more about the remarkable generosity and compassion of NC state employees and retirees!

This is an easy way to support the SECC and the JCRA!  We sincerely appreciate your consideration of this special gift. – Anne M. Porter, Director of Development

Coming Attractions—Highlights of November

Lagerstroemia chekiangensis Klein-Pringle White Garden
Acer palmatum Dissectum Atropurpureum Group – red lace-leaf Japanese maple
Itea virginica 'Henry's Garnet' – Virginia sweetspire
Lindera glauca – silver spicebush

Japanese Garden
Acer palmatum 'Oshio beni' – scarlet Japanese maple
Lagerstroemia fauriei – Japanese crepe myrtle

Lath House:
Acer palmatum 'Oregon Sunset' – red lace-leaf Japanese maple
Rhododendron Autumn Coral™ – Encore™ azalea
Rhododendron Autumn Royalty™ – Encore™ azalea

Mixed Border
Fothergilla major 'Beaver Creek' – mountain witch-alder
Hamamelis ×intermedia 'Jelena' – copper-flowered witchhazel
Viburnum nudum – possumhaw viburnum

Perennial Border
Aster oblongifolius – aromatic aster
Chrysanthemum (Elizabeth Lawrence Pink) – garden chrysanthemum
Muhlenbergia capillaris – hairy-awn muhly grass

Other Areas of the Arboretum
Acer palmatum 'Bloodgood' – purple-leaf Japanese maple – E43b
Berberis thunbergii var. atropurpurea 'Red Rocket' – upright purple-leaf Japanese barberry – E41 and Su7
Callicarpa dichotoma 'Issai' – purple beautyberry – E23 and V03
Diospyros kaki – Japanese persimmon – S05
Ginkgo biloba 'Tschi Tschi' – maidenhair tree – W20
Nyssa sylvatica 'Dirr' – black gum – F02
Pseudolarix amabilis – golden larch – E50

This show is free. Visit often. – Nancy Doubrava, Interpretive Specialist

November Calendar

Plantsmen's Tour – November 4, 2008 (Tuesday) – 1:00 PM – Free

"Around the World" led by Mark Weathington, Assistant Director and Curator of Collections. Take a trip around the world as we focus on plants from the four corners of the world from South America to South Africa, Australia to Austria.

Friends of the Arboretum Lecture – November 6, 2008 (Thursday) – 7:30 PM – Free for members, $5.00 for nonmembers

"Great Grasses for Southern Landscapes" presented by John Hoffman, Hoffman Nursery. Learn about great grasses for Southern landscapes. John Hoffman will highlight no fuss, drought-tolerant grasses that thrive with little care. John will also discuss sedges and grasslike plants and, to spark your imagination, he will show images of beautiful "grass compositions." Learn useful tips for incorporating these versatile plants into the landscape. John draws on 22 years of landscape- and grass-growing experience for an illustrative look into the world of notable and new grasses for the South.

Propagation Workshop – November 8, 2008 (Saturday) – 9:00 AM-12:30 PM – $35.00 for members, $45.00 for nonmembers

"From Seed to Flower-Propagating Your Favorite Plants by Seed" presented by Denny Werner, Director. Come join Denny Werner for an informative workshop focusing on seed propagation techniques. Workshop participants will learn about various seed germination procedures, the major seed dormancy mechanisms, and how one can overcome seed dormancy to obtain successful germination of many plant species. Emphasis will be on seed obtained from herbaceous perennial and woody taxa. Participants will experiment with seed obtained from a diversity of interesting Arboretum plants.

Workshop full, waiting list started.

Friends of the Arboretum Lecture and the 2008 NCNLA Excellence in the Landscape Awards – November 20, 2008 (Thursday) – 7:00 PM – Free

Sponsored by the North Carolina Nursery & Landscape Association and the JC Raulston Arboretum

"Environmental Trends in Landscape Design" presented by Tracy Traer, Landscape Designer.

NCNLA's Environmental Awards program reflects their commitment to the creation and preservation of the beauty of our landscape. The program is designed to recognize and make awards to those landscape professionals who execute quality landscape projects, and to recognize citizens who underwrite such work. In sponsoring the awards program, NCNLA is striving to increase public awareness of environmental improvement through quality landscaping, and to encourage the landscape contractors' consistent use of quality materials and workmanship.

Please visit the "Calendar of Events" section on the JCRA Web site for a complete listing of our upcoming programs.

Recent Members Only Additions

Three new videos were added to the Members Only section on the Arboretum's Web site in October and are now available for viewing.

Content in the Members Only section is password protected and is only available to Arboretum members. In order to access these special features, members need to know the password that was printed on the label of latest Friends of the Arboretum Newsletter or included at the end of the e-mail with the latest monthly JCRA e-Update attached to it. The end of the e-mail is after Chris's signature line. The user name needed to log in is always "jcra."

JC Raulston Arboretum e-Updates are published electronically every month for everyone interested in the Arboretum and are e-mailed to the Arboretum's members. If you are a member and need to update your contact information or wish to be removed from this mailing, please contact Chris Glenn.

© November 2008, JC Raulston Arboretum

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