U. S. National Arboretum
Save the Date!
26th Annual Lahr Native Plant Symposium
and Plant Sale
Saturday, March 31, 2012, 9:00 am – 4:00 pm
Renowned speakers share knowledge and insight on the uses
and understanding of native plants.
Presented by the U. S. National Arboretum
This year’s speakers:
Peggy Bowers – Mt. Vernon Estate Horticulturist, conservationist, educator
Melanie Choukas-
Kevin Conrad – Curator of the USDA-
Pierre Moitrier – Garden structure designer, co-
Thomas Rainer –Landscape architect, writer of the award-
Lee Reich –Lecturer, farmdener, author of Landscaping with Fruit
For complete program details, including a map and directions, see the Lahr Symposium
brochure or call 202-
The annual Friends of the National Arboretum Native Plant Sale will run concurrently with the symposium, featuring local native plant nurseries offering an extensive selection of plants. Symposium registrants are offered early access to the sale.
This year the Lahr Symposium and Plant Sale will be held at the Beltsville Agricultural Research Center (BARC) as the arboretum’s administration building is under renovation.
Please contact me with any questions about this or other National Arboretum programs.
Thank you.
Lindsay Hicks
Horticulture Education Programs Specialist
U.S. National Arboretum
3501 New York Ave. NE
Washington, DC 20002
202-
Bonsai Repotting Demonstration
March 24 & 25, 1:00 – 2:00 pm
National Bonsai & Penjing Museum
Lecture & Demonstration Center
Watch as a museum curator repots a tree from the National Bonsai & Penjing Museum’s
permanent collection. This procedure, which is usually done behind-
Lecture: All about Azaleas
March 25, 1:00 – 2:30 pm
Visitor Information center
Few shrubs have more impact on the spring landscape than azaleas, and the Arboretum’s
renowned collection is one of Washington’s premier spring attractions. Azalea curator
Barbara Bullock will share her extensive knowledge and experience at this in-
April
Tours: Spring in the Asian Collections
April 1, 10:00 am – 12:00 pm
April 22; 10:00 am – 12:00 pm
Meet in the Asian Collections parking area
The Asian Collections are some of the Arboretum’s most dramatic and diverse. The steep terrain slopes sharply downhill from the heights of Hickey Hill to the quiet banks of the Anacostia River, where plants from China, Japan, and Korea cover 13 acres of hillside. Join horticulturist Chris Upton on the tours, where he will reveal and identify the rapidly changing spring flora. The walks include steep and unpaved trails. Fee: $15 ($12 FONA) Note: Each tour date requires a separate registration and fee. Registration required.
Tour highlights:
April 1: Mid spring: The magnolias and cherries will add masses of pink throughout the garden; camellias will be flowering along with corylopsis and many perennials, including irises, primroses, and columbines.
April 22: Late spring: Now the garden is alive with color, including roses, rhododendrons,
azaleas, redbuds, and loropetalum. Perennials in bloom include Asian Jack-
Private Full Moon Hike for Group
April 4, 7:00 – 9:00 pm
Meet in the Visitor Information center
Gather a group of friends, family, co-
Ikebana International Exhibition
April 6 – April 22, 10:00 am – 4:00 pm
National Bonsai & Penjing Museum
Special Exhibits Wing
Enjoy spring flowers with a Japanese twist! The Washington D.C. Chapter of Ikebana International exhibits flower arrangements representing a variety of ikebana schools, from traditional to contemporary. This year’s exhibition honors the centennial of the 1912 Tidal Basin cherry tree planting with arrangements that include flowering cherry branches. The installation will change three times during the exhibit, so plan return visits to see them all. Master teachers will give free ikebana demonstrations from 1:00 – 2:30 pm on April 14, 15, 21, and 22. See Ikebana International Demonstrations. National Bonsai & Penjing Museum. Free.
Camellia Collection Talk and Tour
April 7, 10:00 am – 12:00 pm
Visitor Information center
Learn about the two main types of camellias that perform well in the mid-
Talk and Tour: Flowering Cherries: From Ancient Japanese Forests to Modern American Landscapes
April 14, 10:00 am – 12:00 pm
Visitor Information center
National Arboretum botanist Dr. Alan Whittemore tells the fascinating story of how
a series of events involving Japan’s early warlords, a 5th century wave of immigration,
and political upheavals contributed to the flowering cherry tree becoming Japan’s
official symbol of spring, renewal, and rebirth. Dr. Margaret Pooler, Arboretum geneticist,
continues the story with a discussion of the USDA’s role in receiving the gift of
the trees from Japan in 1912, establishing them at the Tidal Basin, and conducting
research to create new and improved varieties for the American landscape. Horticulturist
David Kidwell-
Ikebana International Demonstrations
April 14, 15, 21, & 22; 1:00 – 2:30 pm
National Bonsai & Penjing Museum
Lecture & Demonstration Center
Master teachers from the Washington, DC chapter of Ikebana International demonstrate four different schools of ikebana at these demonstrations in the National Bonsai & Penjing Museum: April 14, Ikenobo; April 15, Ohara; April 21, Ichiyo; April 22, Sogetsu. For more information, see Ikebana International Exhibition. Free.
Master Gardener Plant Clinic
April 21, 10:00 am – 12:00 pm
Near Visitor Information center
Bring your lawn and garden questions to the Arboretum where D.C. Master Gardeners
will assist you with diagnosis of and solutions to plant problems. For best results
with disease, pest, and identification questions, bring in a good-
Azalea Collections Tour
April 25, 10:00 am – 12:00 pm
April 27, 10:00 am – 12:00 pm
Meet in the Visitor Information center
Amid a brilliant spring display of hundreds of blooming azaleas, learn about the
origins and culture of these popular shrubs from Barbara Bullock, the long-
Garden Fair and Plant Sale
April 27, 10:00 am – 1:00 pm; Friends of the National Arboretum members only
April 27, 1:00 – 4:00 pm; Open to the public
April 28, 9:00 am – 4:00 pm; Open to
the public
New York Avenue parking lot
The 22nd annual Garden Fair and Plant Sale features new, rare, and hard-
May
Azalea Collections Tour
May 2, 4:30 – 6:30 pm
May 13, Mother’s Day! 10:00 am – 12:00 pm
Meet in the Visitor Information center
Amid a brilliant spring display of hundreds of blooming azaleas, learn about the
origins and culture of these popular shrubs from Barbara Bullock, the long-
Potomac Bonsai Festival
May 4 – 6, 9:00 am – 5:00 pm
National Bonsai & Penjing Museum
Arboretum Grounds
Come to the annual Potomac Bonsai Festival for bonsai activities that entertain everyone
from the interested observer to the accomplished artist. Each day features demonstrations,
workshops, exhibits, vendors, and the renowned collections of the National Bonsai
& Penjing Museum. Get hands-
2012 Festival Highlights:
Visiting bonsai artists Suthin Sukosolvisit and Harry Hirao
Children’s activities
Asian food vendor
One-
Free ongoing activities: Demonstrations, Potomac Bonsai Association Exhibit and Show, Vendors, Children’s Activities, National Bonsai & Penjing Museum Permanent Collections
Workshops: New Talent Competition, Intermediate/Advanced Shohin Workshop, Advanced Workshop with Harry Hirao, Advanced Workshop with Suthin
The Potomac Bonsai Festival is co-
Bonsai Basics Workshop
May 19, 9:00 am – 4:00 pm or
May 20, 9:00 am – 4:00 pm
National Bonsai & Penjing Museum
Lecture & Demonstration Center
Create your own bonsai in this all-
Azalea Bonsai Exhibit: Putting on the Glitz
May 26 – June 10, 10:00 am – 4:00 pm
National Bonsai & Penjing Museum
Special Exhibits Wing
In Japan, it is said that the beauty of an azalea bonsai in bloom is like the beauty
of a courtesan dressed in her finest brocade kimono. Breathtaking blossoms cover
these late-
World Bonsai Day Open House
May 12, 10:00 am – 4:00 pm
National Bonsai & Penjing Museum
The National Bonsai & Penjing Museum celebrates the second annual World Bonsai Day
with continuous demonstrations by Potomac Bonsai Association members, drawings for
the demonstration trees, curator-