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2012 Calendar
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March 29, 2012
The Princeton elm at the Berkshire Botanical Garden was planted in 2003. Many low level large leaders were allowed to develop. Now Tom Zetterstrom is in the process of deselecting and reducing competing leaders and favoring the central leader. This process will occur over the next few years.
Using pole saw to reduce "temporary" leader, later to be removed completely
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February, 2012
In recognition of the Massachusetts State Tree, and the half-century effort to preserve the American elm in the Berkshire landscape, Elm Watch has arranged for USDA research geneticist to determine the cultivar of the Monument Valley Elm planted in 1963. Elm pruning and care are planned in anticipation of its 50th anniversary
1963 Elm Plaque at Monument Mountain High School
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Jan-Feb, 2012
Working with the Arboretum and Landscape Committee, Elm Watch advocates for a Memorial Grove at Housatonic Valley Regional High School and proposes the planting of two American elms from the FFA Elm Nursery.
Map of proposed Memorial Grove
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January, 2012
Public Trees deserve protection during excavation and construction. Elm Watch works with towns and encourages incorporation of USDA Successful Tree Protection Plans. Most recently we advocated for tree protection at the historic Canaan Depot.
USDA Successful Tree Protection
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2011 Calendar
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December 21, 2011
As a result of Elm Watch's email initiative and meetings in Washington, DC, the US Forest Service, Forest Parhologist and FS National Project Manager have agreed to monitor and map the distribution of Elm Yellows. This disease is prevalent in the mid-west, has recently had devastating impact on the elms of Penn State College, and is noticed occasionally in our area. The distribution map has not been updated for 25 years.
Elm Yellows distribution map project
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December, 2011
Great Barrington Tree Committee become an official town committee. Elm Watch initiated the effort to form a committee in November of 2010 and nurtured its formation over several months. We look forward to working with the committee on Main Street tree plans and other projects in the future.
Reviewing Main Street Plans at January, 2012 meeting.
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November 13, 2011
Old Saybrook Tree Warden, William Peace, describes a technique for raising sidewalk sections with slurry injection which avoids damage to roots of the town's Heritage Elm. Elm Watch toured newly planted and Heritage Elms throughout the town and offered suggestions for future plantings.
Adjusting sidewalk alignment.
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October 28th Snow Storm, 2011
Fall foliage was still abundant in late October when 17 inches of heavy snow fell.
Mature elms were not affected but many species still holding their leaves were damaged. Many young trees including elms suffered significant damage, such as loss of major leaders and compromising rip breaks. Corrective pruning and retraining will proceed during the coming winter months.
Princeton American elm planted in 2003.
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Documentary film on the elms of the New Haven Green
Tom Zetterstrom is interviewed in October about the historic elms on the Green for a film sponsored by the Garden Club of New Haven. The film will Premier in April, 2012. |
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James Hillhouse planted the first elms on the Green in the 1790's |
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September-December, 2011
EW coordinateded public and private support for the restoration of the WWI Memorial Grove of various tree species in Washinee Park, Salisbury's first town park. Eradication of invasive bittersweet vines is paramount as the vines have fallen more than a dozen historic trees. First Selectman, Curtis Rand, Forest and Park Commissioners and Native Habitat Restoration specialists discuss invasive control techniques.
Town officials walk through park with fallen trees in background.
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August 25, 2011
Housatonic Valley Regional High School Arboretum Committee, meets at 3 PM to review expansion of the 'Teaching Arboretum' to include a conifer collection, an acid soil plant collection and an ornamental collection. The current arboretum places an emphasis on the collection of Shade Trees, sponsored by various Classes.
2007 Map of HVRHS teaching arboretum
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August 20, 2011
In 2002 Elm Watch planted a disease resistant elm on the grounds of the Hancock Shaker Village. On August 20, Zetterstrom will return to HSV to present a lecture at 2 PM describing the rich history of the American elm in New England and contemporary use of elms in sustainable community forestry designs.
Flyer of Hancock Shaker Village Elm Lecture
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July 28, 2011
Beloved science teacher was memorialized with the planting of a Sassafras tree, which become the 35th tree species at the North Canaan Children's Arboretum. The tree was sponsored by five members of the Class of 1962 who accompanied their teacher, Thomas Glennon, on a road trip to Alaska in that year.
Tom Zetterstrom describes the characteristics of Memorial Tree
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July 20, 2011
Elm Watch organized macro injection of Heritage elms like this 45 inch diameter tree on West Main St in Canaan. This procedure provides substantial protection from Dutch Elm Disease for a period of 3 years and is then repeated. About one percent of New England's former street elms still survive.
Photo of elm macro-injection with Arbotect
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June, 2011
Years in the design phase, the newly planted storm water capture municipal parking lot in Canaan is now functioning as designed. Tom Zetterstrom and horticultural consultant, Daphne Drury, selected 16 species of water adaptable trees, including elms. The objective is to transform a parking lot into a shade tree park of high canopy trees, which is now often referred to as green infrastructure. These trees will also intercept rainwater runoff before it enterers the nearby brook.
Green Infrastructure takes root in Municipal Parking Lot
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May 13, 2011
Pruning of Princeton elms can be a challenge due to their tendency to develop cluster branching rather than sequential leader development from the main leader. Tom Zetterstrom examined the 88 Princeton elms which were planted on Pennsylvania Avenue in 2005 and explained to National Park Service the risk of branch failure and future need for cabling in elms with vulnerable branch structure.
Zetterstrom with Pennsylvania Avenue elms
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May 12, 2011
Following his examination of 'elm collections' at the Missouri Botanical Garden, The Morton Arboretum, and the USDA Forest Service Ohio Research Station, Zetterstrom leads discussion about the elms structural and disease vulnerabilities on the National Mall and on Pennsylvania Avenue with Smithsonian and National Park Service horticulturists
Reviewing elms on the National Mall
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April 30, 2011
Tom Zetterstrom accepts the 2011 Public Awareness of Trees Award for his Elm Watch and Portraits of American Trees endeavors from the National Arbor Day Foundation, in Nebraska City, Nebraska.
Arbor Day Award article in the Lakeville Journal
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April 29, 2011
North Canaan Elementary School Children's Arboretum added two American Hornbeams to replace two non-native and invasive Norway Maples which were in serious decline. Fifth grade students hosted the event and read their winning tree poems.
Lakeville Journal article, May 5, 2011
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March and April, 2011
Structural elm pruning rotated in 2011 to dozens of elms in Pittsfield, Lenox, Stockbridge, Egremont, Canaan, Salisbury, Lakeville, Falls Village, Millerton. The objective is to select for a dominant leader with sequential branch unions and to avoid narrow cluster branching which is so common in Princeton American elm cultivars and can lead to branch failure in the future.
Zetterstrom prunes elm at Hancock Shaker Village which was planted in 2002
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February-May 2011
Elm Watch leads a national email network of elm researchers and advocates called Elm Collaborators. One recent email dialogue focused on a disease that afflicts elms in the mid-west but appears infrequently in our region at present, Elm Yellows. We have encouraged the USDA Forest Health Specialist to coordinate monitoring and update their map showing distribution of the disease.
Elm Yellows distribution map
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January- April 2011
Gt Barrington Tree Committee with the assistance of Elm Watch, formulates priorities for spring projects culminating in the planting of an American elm on Arbor Day. The group continues to develop a site specific list of recommended trees for the pending Main Street Project.
Main Street sub committee analyzing Main Street Plans
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January 15, 2011
Hamilton College Arboretum hosts two part lecture by Tom Zetterstrom, an American Elm Overview, and Pruning Techniques for Various Elm Cultivars.
Lecture program
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2010 Calendar
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November 23, 2010
In a letter to the Great Barrington Board of Selectmen, Elm Watch initiated action which resulted in the formation of the GB Tree Committee. With a core group of six design and horticulture professionals, several projects have been undertaken including Arbor Day plantings, tree maintenance, Main Street tree planning and residential street tree site mapping.
Letter to Great Barrington Selectmen
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September 24, 2010
Marsh Billings Rockefeller National Park, Woodstock, VT, sponsored by UVM Extension and NPS: Tom Zetterstrom lectures on history of elm, and best elm restoration practices. Dr. James Slavicek, USDA Forest Service, reveals leading research on next generation of American elm cultivars.
Marsh Billings Rockefeller National Park/UVM program
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June 11, 2010
The Garden Club of America awards Elm Watch the Club Horticulture Commendation, "For pioneering the preservation and restoration of the American Elm and for educating the public about the elm and the value of the community forest."
Garden Club of America Award
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April 30, 2010
Arbor Day is a celebration of trees, launched in 1872 and coordinated by the National Arbor Day Foundation. Local tree planting is encouraged. This year North Canaan Elementary School will celebrate its 20th Arbor Day, with a planting and the placement of identification signs in its Children's Arboretum comprised of 25 native trees.
NCES Arboretum Map
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February/March, 2010
Pruning Season. Pruning is now recognized as an important "next phase of Elm Restoration." Elm Watch is pruning and training 150 elms in two dozen communities and campuses, working with Tree Wardens, landscapers and arborists to encourage best techniques. Because of the rapid growth rate of elms, biannual and even annual pruning is recommended.
Download Pruning Young Elms lecture description.
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January, 2010
Pruning Young Elms, a 96 page manual for citizens and professionals describing proper technique to achieve strong branch unions, optimal height of main stem and durable crown architecture. Profusely illustrated, with many photos by Tom Zetterstrom. Zetterstrom also provided peer review of the manuscript and fostered a wide circle of support for this publication from elm advocates throughout the United States. Published by University of Minnesota, by Chad Giblin, cost $14. via email: gibli002@umn.edu
Pruning Young Elms cover
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2009 Calendar
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November 13, 2009
Tom Zetterstrom, keynote speaker, 12th Annual Trees in the Urban Landscape Symposium, Tower Hill Botanic Garden, Boylston (Worcester), MA. Zetterstrom presents "Return of the American Elm to the Community Forest" and "Pruning Young Elms." Also programs on the "Next Generation of Elms" and "Elm Planting Demo." Go to http://www.towerhillbg.org/thwebdir.html
Tower Hill Elm Symposium speakers
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October 9, 2009, 3 PM
Elm Watch Tenth Anniversary Lecture, The Return of the American Elm, by Tom Zetterstrom at Geer Village. In 2004, 2005 and 2009 a total of twelve elms were planted to provide shade for an interior courtyard and for two parking lots.
Read Lakeville Journal article, 10/15/09
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July 31, 2009
Green Municipal Parking Lot completed, Canaan, CT. Elm Watch in conjunction with the Streetscape Advisory Committee developed the landscape plan, placing two American elms in the interior and twenty trees of mixed species around the perimeter. The objective is to provide shade and beauty while providing parking for 29 cars. The tree wells have high volume of topsoil to support the health, growth rate and longevity of the trees.
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May 30, 2009
The Right Tree in the Right Place, illustrated lecture by Tom Zetterstrom, sponsored by Kinderhook Neighbors for Good Growth and The Garden Club of Kinderhook. 3PM at the First Presbyterian Church, 3212 Church St, Valatie, NY
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April 29, 2009
The planting of two "Princeton" American elms completes the installation of an American elm allee at Geer Village in Canaan, CT
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April 24, 2009
Nineteenth Annual Arbor Day Planting at North Canaan Elementary School, hosted by fifth grade students, planted a Black Tupelo (or Gum), adjacent to parking lot. Nyssa sylvatica is notable for its brilliant Fall colors.
Students water the Tupelo (Black Gum)
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April 22, 2009
Sharon Hospital plants an American elm to commemorate its one hundredth anniversary and to honor its corps of volunteers. Tom Zetterstrom speaks about the civic symbolism of the elm in New England history.
planting of the Sharon Hospital Elm
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April 18, 2009
Art Gingert and Tom Zetterstrom perform long overdue pruning of elm at Cornwall Free Library. The 3 inch caliper elm was planted in 2003 and now has an 8 inch caliper.
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April 9, 2009
Elm Watch, as part of its Tenth Anniversary, organizes sanitation pruning of its hundred year old, flagship elm on Baldwin Hill in Egremont, MA. Thanks to Haupt Tree Company for providing its superb climbers.
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February/March/April, 2009
Dozens of elms among the 150 which have been planted by Elm Watch since 2001 are being pruned every year or two. The objective is to select strong branch unions and avoid narrow crotches which may be vulnerable to wind breakage.
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2008 Calendar
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December 9, 2008, 10-2:30
Tom Zetterstrom presents 'Pruning Young Elms' lecture to The Hotchkiss School Grounds Crew and Arboretum Committee. Hotchkiss has maintained an exemplary Heritage elm program for half a century. In the past three years, 36 Princeton elms have been planted. Pruning objectives demonstrated in the workshop included selecting dominant stem, subordinating competing leaders, reducing temporary branches with the goal of developing strong, branch union, classic form and 20 foot clear main trunk.
Pruning Workshop Photo
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December 4, 2008
Tom Zetterstrom works with the newly created Simsbury Tree Committee to develop mission, goals and objectives. Inspects Town Hall Elm Restoration plantings inspired by Tom's earlier Keynotes presentation.
Post Card of Main (Hopmeadow) St. Elms
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November 19, 2008, 7:30
Tom Zetterstrom presents "The American Elm Returns to the Community Forest", sponsored by the Greenwich Tree Conservancy, with the Greenwich Tree Warden, at the Bruce Museum
Bruce Museum Press Release
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April 3-4, 2008
Demonstration planting, installation of American Elm Arboretum and lecture by Tom Zetterstrom, National Conservation Training Center, United States Fish and Wildlife Service, Shepherdstown, WV.
NCTC poster for Elm lecture and planting.
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March 31, 2008
Pruning elms planted 2002,2003,2004 in CT and MA. The intent is to select the dominant main leader, reduce and gradually remove competing leaders, and ultimately raise the vase shaped crown and develop a canopy above utility lines and architecture.
Lakeville Journal photo and article 03/03/08
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February 21, 2008 1:00 pm
"Elms in the Community Forest" lecture by Tom Zetterstrom at Litchfield Garden Club, Litchfield Community Center, Litchfield, CT, public invited (search litchfield garden club.org)
Litchfield Garden Club Lecture
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2007 Calendar
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November, 2007
Tom Zetterstrom and North Canaan Streetscape Advisory Committee create "green" municipal parking lot treescape design featuring diverse native species.
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October, 2007
Tom Zetterstrom designs an American Elm Arboretum on the campus of the National Conservation Training Center, US Fish and Wildlife Service in Shepherdstown, WV.
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September 18, 2007
Historic elm restoration at the Lenox Library in Lenox, MA, sponsored by the Tri-Town Rotary (search tritownrotary.org) and Elm Watch.
Berkshire Eagle, 9/19/07
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May-August, 2007
Advocate and provide alternative design for large shade trees and increased soil volume at Great Barrington Big Y parking lot.
Berkshire Record, 8/17/07
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May 20, 2007 11:00am
"The American Elm" film viewing at Millerton Moviehouse, Millerton, NY, American elm planting demonstration, hosted by Townscape.
Millerton News, 5/24/07
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May 18, 2007 2:30 pm
"The American Elm" film viewing and discussion at Berkshire International Film Festival, Great Barrington MA. (search http://www.myelmstory.com)
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May 17, 2007
Testify at Massachusetts Highway Department public hearing regarding South Street Treescape, City Hall Pittsfield, MA.
Berkshire Eagle article, 5/03/07
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May 4, 2007
Eighteenth Annual Arbor Day North Canaan Elementary School, CT bird friendly garden installed in understory of American elm.
Lakeville Journal 5/10/07
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March 20, 2007
"The American Elm" film premiere, Washington DC Environmental Film Festival. (search myelmstory.org)
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2006 Calendar
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November 2006
18 American elms were planted among 74 trees in a diverse native treescape designed by Tom Zetterstrom and North Canaan Streetscape Advisory Committee.
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June 21, 2006
Planting of a Princeton American elm at the Norman Rockwell Museum in Stockbridge, MA in celebration of Rotary International's Centennial, Tri-Town Rotary sponsor.
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May, 2006
Connecticut Senator Andrew Roraback plants an American elm in Goshen with Elm Watch founder,Tom Zetterstrom and volunteer, Janet Kaufman.
New planting
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May 29, 2006
An elm planting commemorated the centennial of the Yale Summer School Music Shed in Norfolk, CT.
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May 15, 2006
North Canaan elementary school students planted a "Valley Forge" American elm, marking the 50th anniversary of the school.
Lakeville Journal 4/27/06
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April 29, 2006
Sheffield Tree Project and Sheffield Kiwanis Club in cooperation with Elm Watch planted an elm at the Bushnell Sage Library in Sheffield, MA.
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April 28, 2006
Great Barrington Steiner School students and parents celebrated their first annual Arbor Day with poems by students and a talk by Elm Watch founder Tom Zetterstrom.
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January 17, 2006
Tom Zetterstrom presents "Return of the American Elm" slide lecture to Darien, CT Garden Club, and inspires formation of local tree committee and streetscape inventory.
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2005 Calendar
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October 26, 2005
Pittsfield, MA, Berkshire Museum Slide lecture by Tom Zetterstom, "Preserving and Defining Place in Berkshire in Landscapes and Streetscapes."
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July, 2005
"Greening of CT Cities and Towns" is published by University of CT Press and highlights Elm Watch as a model community forestry organization.
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