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    Articles by Dennis Tompkins
    How to keep a disputed tree from igniting a neighborhood feud | The Evergreen Arborist
    How to keep a disputed tree from igniting...
    By Dennis Tompkins • December 11, 2012 7:23 pm

    Trees can sometimes create turmoil between neighbors. These concerns often become more frequent as the winter storm season approaches.

    Read Story

    Give thought before picking a holiday tree | GO GREEN
    Give thought before picking a holiday tree |...
    By Dennis Tompkins • November 13, 2012 2:11 pm

    Yes, it is a bit early to think about Christmas. The pumpkin season just ended, Thanksgiving is lurking around the corner and plastic trees are already being displayed in stores.

    Read Story

    Think about your trees before the bad winds blow | The Evergreen Arborist
    Think about your trees before the bad winds...
    By Dennis Tompkins • October 9, 2012 4:47 pm

    The ice and snow event last January was a dramatic conclusion to a storm season that raised havoc with many of our trees and shrubs.

    Read Story

    Methods of appraising the value of trees | The Evergreen Arborist
    Methods of appraising the value of trees |...
    By Dennis Tompkins • August 3, 2012 8:06 pm

    Trees often do have significant value. A large tree in a nice landscape may be worth thousands of dollars.

    Read Story

    Sirococcus conigenus fungi could be killing your cedar needles | The Evergreen Arborist
    Sirococcus conigenus fungi could be killing your cedar...
    By Dennis Tompkins • July 5, 2012 2:50 pm

    I have received calls regarding tree health, pest problems and neighbor’s trees in recent weeks. The following questions represent typical calls.

    Read Story

    Spring pests are awake | The Evergreen Arborist
    Spring pests are awake | The Evergreen Arborist
    By Dennis Tompkins • April 30, 2012 1:41 am

    Cherry and flowering plum blossoms are signaling the arrival of spring. As the blossoms fade and new foliage begins to appear, various pests are lying in wait to begin their annual feasts. The following are signs of some of the more common and highly visible insects and diseases that soon will be visible.

    Read Story

    Battling pest as spring begins | The Evergreen Aborist
    Battling pest as spring begins | The Evergreen...
    By Dennis Tompkins • April 6, 2012 8:41 pm

    Cherry and flowering plum blossoms are signaling the arrival of spring. As the blossoms fade and new foliage begins to appear, various pests are lying in wait to begin their annual feasts. The following are signs of some of the more common and highly visible insects and diseases that soon will be visible.

    Read Story

    Observations following the 2012 ice storm | Evergreen Arborist
    Observations following the 2012 ice storm | Evergreen...
    By Dennis Tompkins • March 9, 2012 8:33 pm

    The bulk of the cleanup from the January ice and snow storm has been accomplished and life is returning to normal. Arborists were not spared as I hauled away four pickup loads of debris from flowering plums, several ornamental cherries and Leyland cypress trees.

    Read Story

    Expert advice for dealing with damaged trees
    Expert advice for dealing with damaged trees
    By Dennis Tompkins • January 31, 2012 3:50 pm

    The devastation from January’s ice storm exceeded that of the 1996 ice and snow event.
    Deciduous trees were impacted much more, although most conifer species fared somewhat better than 18 years ago.

    Read Story

    EVERGREEN ARBORIST: Year-end Top 10 list good for New Year, too
    EVERGREEN ARBORIST: Year-end Top 10 list good for...
    By Dennis Tompkins • December 12, 2011 2:36 pm

    This column has addressed many tree issues during the year. To highlight some of the other issues, it seems fitting to create a “Top 10 List” in the spirit of the David Letterman as 2011 draws to a close.

    Read Story

    GO GREEN: Christmas tree farmers getting warmed up
    GO GREEN: Christmas tree farmers getting warmed up
    By Dennis Tompkins • November 8, 2011 3:27 pm

    Yes, it is a bit early to begin to think about Christmas. The pumpkin season just ended and Thanksgiving is lurking around the corner. But America’s Christmas tree farmers are just beginning to get warmed up.

    Read Story

    GO GREEN: Winter is expected to take a toll on trees
    GO GREEN: Winter is expected to take a...
    By Dennis Tompkins • October 11, 2011 4:19 pm

    Forecasters are predicting more than normal rainfall for November through March and slightly cooler temperatures

    Read Story

    GO GREEN: Getting to the root of watering
    GO GREEN: Getting to the root of watering
    By Dennis Tompkins • September 21, 2011 3:55 pm

    While many homeowners water their landscapes throughout the summer, they often do not leave the sprinklers on long enough to benefit tree and shrub roots.

    Read Story

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