Author Archives: gufc

Discussion: Street Trees and Sausage

Observing street tree installation can often be like the old saying, “watching sausage being made.”   Many times, arborists have to tolerate trees being planted in what is often referred to as tree crypts, where little consideration is given to the soil, space for roots, and tree selection.   Expense and lack of communication are often sited as the main reasons for the neglect.   Lack [...]

Discussion: Potential tree failure makes for difficult decisions

Arborists are often asked to assess tree hazards on a property and are taught to look at tree health, target, and size.   Jesse Milton, in his casual research, reports that  in 38% of trees that he has observed to fail, the defect was either not visible or there was no defect.   It is no wonder that arborists [...]

DISCUSSION: Tree Sampling for Chemical Analysis

At our recent program, “The Elements of Tree Health,” Dr. Kim Coder discussed the 20 essential elements. Often arborists in the field will sample the soil to better understand the situation, but what about sampling the tree? The sample is typically extracted from the crown, where growth is active, using either a leaf or small [...]

Street Tree Diversity

The composition of your urban forest is often overlooked.  Diversity of species is important for both aesthetic and health reasons.  Today,  Quercus phellos (Willow Oak) and Ulmus parvifolia (Chinese Elm) are two of the more popular street trees in Georgia.  The reason being is they are very hardy being able to tolerate both wet and drought conditions.  However, to [...]