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Arborist Articles

What has happened to my Hackberry trees?

September 3, 2015 by Scott

The unusual weather this year has set up conditions for a very obscure moth to come out of obscurity and defoliate many of the hackberries in southern Denton County. Here is a close-up of the leaf damage: The moth larvae is a small green caterpillar about 1/2 inch long at maturity.   The caterpillar is called […]


Little Round Bugs Invading My Patio & House!

May 11, 2014 by Scott

This is not necessarily tree related, but it is something I haven’t seen before at our yard and house in Highland Village, Texas.  Over the past few days, thousands of small round insects are covering the back patio and coming into the house.  Upon some investigation, these are “White-Lined Burrowing Bugs” and are completely harmless […]


Brown bumps On My Oak Twigs?

April 29, 2014 by Scott

What are those little brown humps that cover my oak twigs?  These are Lecanium Scale insects.  This is on a Monterray Oak (Quercus polymorpha) in Highland Village, Texas.  The lecanium scale can be debilitating to the host plant, rarely killing it.  The insect draws sap from the tree, thus reducing the tree’s resources.  A heavy […]


What’s that “white fungus” on my post oaks?

August 4, 2013 by Scott

As we get into August this year, the post oaks in Denton County are showing a lot of white on their leaves.  This is not a fungus or serious disease but is “wool” that is produced by a small sucking insect called an Aphid.  The aphid produces the “cotton” or “wool” as  protective covering and […]


Oak Tassles – what are those worms on my driveway?

April 3, 2011 by Scott

Newly emerging leaves on a red oak in the spring with male flowers This spring season has brought with it an abundance of oak flowers or “tassles”.  I have noticed it on all of the oak species – live oak, post oak, blackjack oak, shumard (red) oak, etc.  They all have a bumber crop of […]


Pruning – “You Get What You Pay For”

March 18, 2011 by Scott

In our daily lives, we buy and sell many things.  We all want value in these transactions and the old adage is still true – “you get what you pay for”.  This is true in almost every transaction and is true when it comes to choosing who will prune your trees.  This picture is of two live oaks for […]


Water – Trees can’t live without it, but it can kill them.

March 18, 2011 by Scott

We are having a dry spring so far and the trees need water as they begin the spring flush of growth. It would be a good idea to give the trees in your landscape a good soaking during this period of dry weather. This brings up the topic of proper irrigation (or watering) of the […]


Is my Palm Tree dying?…part II

February 27, 2011 by Scott

Well, for the second year in a row, we’ve had very hard freezes. Last year (2010) we saw temperatures down to around 15 degrees and about 50% of the Mexican Fan Palms were taken out by the freeze. This year (2011) temperatures reached down to around 8 degrees and I’m afraid that any Fan Palms […]


What is a tree worth to your home?

October 18, 2010 by Scott

Investing in tree care may seem like a discretionary expense that you really cannot afford.  However, trees have a large economic impact on their owners and the communities in which they live: Trees reduce energy costs through shading of roof tops Trees add to to the market value of a property Trees add to our aesthetic enjoyment of […]


Tree Care in Lewisville and Flower Mound – A bit of East Texas

April 10, 2010 by Scott

Pine trees are not native to the Lewisville area, yet they have been planted extensively and in some areas do quite well.  Slash Pine and Loblolly pine are the large pines that are seen growing in Lewisville and Flower Mound.  These trees are native to the southern coastal plain (East Texas eastward to the Atlantic), […]