PHC Matters

The roots of a tree are vital to the health and appearance of that tree. Roots provide nutrients, water, stability, and more to keep trees alive and healthy, and any issues that negatively affect roots, in turn, affect trees. Girdling roots is one of the most common issues that trees in urban environments run into and can be a serious problem if left untreated. Below…

Privet is a shrub brought to North America by European settlers around the mid-1800s, who planted them as ornamental plants. While many subspecies of privets exist, the 4 main ones found in Pennsylvania are Chinese privet, European privet, Japanese privet, and border privet. Over time, plant health care experts have identified these as privet invasive species. The da…

Spring is here, and weeds are sure to follow, posing a significant challenge to the health and aesthetics of Main Line landscapes. Weeds in Main Line landscapes can damage plants and reduce aesthetic appeal. These weed species easily outcompete landscape plants for water, light, and soil nutrients, especially young ones that are newly transplanted. In addition, many …

Callery pear trees (Pyrus calleryana), native to China and Vietnam, have been popular ornamental trees for almost 200 years. These trees were introduced to the United States in the 1800s and are often planted along streets and sidewalks because of their attractive form and coloration. This species is also known for its disease resistance (particularly fire blight res…

Japanese Maple Scale (Lopholeucaspis japonica) is a formidable pest that poses a significant challenge to homeowners. Belonging to the family Diaspididae, the Japanese Maple Scale has spread throughout the United States, infesting many host trees and causing substantial damage if left untreated. This pest requires vigilance and proactive management. By understanding …

Japanese barberry (Berberis thunbergii) is a popular ornamental plant used in landscapes across the east coast of the United States. Native to Japan, the plant was introduced into the United States in 1875 and has since become one of the most highly invasive plants in temperate regions worldwide. The Japanese barberry invasive plant’s ability to grow under various co…

Plants can add a great deal of value and beauty to a landscape if they are healthy. While plants have the same basic needs, one plant’s health risks may differ entirely from another, even those on the same property. So, what is Plant Health Care? Plant health care is the answer to the complexities and intricacies of keeping various kinds of plant life in the same lan…

Trees are an essential part of any landscape, providing shade and other benefits that make them an attractive option for homeowners. However, tree roots need to be healthy and strong for the tree to survive. Root zone invigoration (RZI) is a process that helps ensure the health of trees. View Our Portfolios! Root Zone Invigoration Process Root zone invigorati…

The Eastern Redbud (Cercis canadensis) is a stunning deciduous tree renowned for exceptional beauty and early bloom. With a growth habit that is typically multi-branched and spreading, the Eastern Redbud forms a graceful, rounded crown that reaches 20 to 30 feet with a spread of 25 to 35 feet. This tree, with heart-shaped leaves that emerge as red-tinged green leaves…