Tree pests are one of the most common causes of tree decline in Southern California. Left untreated, infestations can weaken trees, spread rapidly, and lead to irreversible damage. In this guide, we [...]
If you are planning a construction project in San Diego, tree protection is not optional. In many cases, municipalities require a formal tree protection plan before approving permits. Understanding [...]
Urban trees face conditions that are very different from natural environments. One of the most common issues is nutrient deficiency, which can lead to slow growth, weak structure, and increased [...]
A branch collar is the swollen portion between a branch and the trunk. The red-dotted line in the photo below encompasses the collar of a fern pine (Afrocarpus falcatus). Branch collars contain [...]
The American sweetgum (Liquidambar styraciflua) was a commonly planted tree in Southern California starting in the 1960s, and continuing into the 1980s, but their popularity peaked by the early [...]