Andy Johnson

Indian Sign Trees

I was recently on a property in north central Austin, when I was introduced (by the local homeowner) to a remarkable tree phenomenon I have never been exposed to before. As a local arborist who has been practicing since 1993, I though I was aware of most tree related phenomena, at least in the United States. I am …

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The Bastrop Fires: Assessing the long-term impacts

Since the devastating fires in Bastrop County in September, we have been involved in several fire-related projects in the Bastrop area.  The fires devastated large areas of Bastrop County, and left more than 1,500 people homeless. The effects of the Bastrop fires have been considerable. The pine woods, for which the area is well known, have been …

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Trees and swimming pools

Construction of an in-ground can have severe and often long-lasting negative effects on trees. To minimize stress and long-term damage, protecting trees before construction begins and continuing throughout the entire process is generally necessary. Although there are many things to consider, we always start with the most important factor: how close are the trees to the pool and where …

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Are your Sycamores declining?

Why does the Austin area lose sycamore trees almost every summer? Sycamores, Platanus occidentalis, are on the list of local Austin trees that are much less drought tolerant.  They enjoy cooler, wetter weather, lower temperatures and more water during the summer months. Most healthy sycamores in the Austin area enjoy shaded, mulched root zones, as opposed to exposed roots …

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