Republished with permission from Brian A. Kunkel, Extension Specialist, Ornamental IPM , University of Delaware Cooperative Extension at https://extension.udel.edu We have seen lush growth of lichens and moss this season, mostly on understory trees and shrubs that are in partial shade. High humidity and adequate rainfall have supported the growth of lichens, which are symbiotic…
Republished with permission from Frank S. Rossi, Associate Professor and Extension Turfgrass Specialist, Cornell University Turfgrass Program http://turf.cals.cornell.edu The residual effects of the six week stretch of high temperature, high humidity and rainfall is revealing more and more stressed turf. It is likely that if you are seeing turf decline at this time, the actual…
Republished with permission from Ron Kujawski, Horticultural Consultant, UMass Amherst The Center for Agriculture, Food and the Environment at https://ag.umass.edu. Recurring and prolonged periods of drought seem to have become commonplace in many regions of the country in recent years. The effects on trees and shrubs can often be seen in both natural and man-made…
You’re not imagining it: It’s been a dry spring in the Northeast. According to the National Centers for Environmental Information, most areas in the northeast U.S. have received lower-than-normal rainfall, with New York, Connecticut, and Pennsylvania ranking this spring among their top 20 driest. In addition, forecasters have predicted an unusually hot summer in the…
You may have noticed your Eastern White Pines showing yellowing, browning, and loss of needles. While these symptoms may have become more noticeable in your area this spring, white pine needle damage (WPND) has been observed in the northern U.S. and eastern Canada – with increasing frequency and severity — over the past few years.…
Make no mistake: It’s springtime, and the ticks are out to get us. Though the adult blacklegged tick — what most of us refer to as the “deer” tick — are active throughout the fall and winter, the warmer temperatures send these critters out from their cold -weather shelters of leaf and woodpiles in search…
Imagine trying to take a drink of water, but instead of a nice, refreshing gulp, you can’t swallow what’s right in front of you; something has blocked your throat. That might be how an American elm feels when it has Dutch Elm Disease. Dutch Elm Disease, or DED, is a fungal pathogen that clogs the…
While it hardly seems so at the moment, spring is coming. And the warmer weather is the perfect time to start thinking about landscape work for the coming year, especially if you’d like to plant new trees or make sure that your current trees are healthy. When considering what trees to plant, it’s important…
Spring is finally upon us and with the warmer weather comes thoughts of home improvements. Maybe you’ll expand your home, or simply add a backyard patio. No matter what your plans, it’s important to keep your trees in mind. Preserving trees during any type of construction project could help save you money in the long…
Every year around this time all of the various cultivars of flowering cherries in the landscape look their best and people are happy to talk about how beautiful spring is. Unfortunately, there are many problems that are common with Cherry Trees. The assortment of problems includes Insects, pest and diseases. Flowering cherry trees with severe…
