Industry News

Understanding Leaf Scorch

Understanding Leaf Scorch Understanding Leaf Scorch, Leaf scorch is a condition that manifests as browning, yellowing, or withering of leaves. This phenomenon can result from a range of different factors. It is important to recognize the appearance of leaf scorch in order to identify and address the underlying causes effectively. Drought: Lack of water causes the plant to dehydrate, leading to leaf scorch. Heat stress: Excessive temperatures can damage leaves and prevent them from getting enough water. Strong winds: Winds can dry out leaves and cause them to […]

What is Heterobasidion root disease (HRD)

What is Heterobasidion root disease (HRD) What is Heterobasidion root disease (HRD), a fungal disease that affects conifers, is present in approximately 30 Wisconsin counties and most commonly impacts red and white pine plantations. The fungus, Heterobasidion occidentale, can live in dead tree stumps and spreads to other hosts through root grafts. Symptoms include a quick decline in health, discolored leaves, branch dieback, and mushroom growth on the trunk or roots. Cause: A native soil-borne fungus called Heterobasidion occidentale. Hosts: Primarily affects red and white pine in Wisconsin, but […]

Caring for Mature Trees

Caring for Mature Trees Caring for Mature Trees. Mature trees are valuable assets to any property—providing shade, beauty, and environmental benefits. Unlike young trees, they require a more thoughtful approach to care, focusing on preservation rather than rapid growth. Start with regular inspections. Look for dead or hanging branches, cracks in the trunk, fungal growth, or thinning canopy. These can be early signs of stress, disease, or structural concerns. Catching issues early allows for safer and more effective treatment. Pruning is one of the most important maintenance practices. Mature trees […]

Not Your Average Mistletoe

Not Your Average Mistletoe Not Your Average Mistletoe. Eastern dwarf mistletoe (Arceuthobium pusillum) is a small but highly destructive parasitic plant that primarily affects spruce trees across northern regions, including parts of Wisconsin. Despite its tiny size, this plant can have a major impact on tree health, often going unnoticed until significant damage has already occurred. Unlike traditional plants, Eastern dwarf mistletoe attaches itself directly to its host tree and draws water and nutrients from it. Over time, this weakens the tree, slowing growth and making it more vulnerable to […]

Why are Siberian Elms considered Invasive

Why are Siberian Elms considered Invasive Why are Siberian Elms considered Invasive, Siberian elms are considered invasive due to their ability to quickly grow, spread easily by wind-borne seeds, and outcompete native vegetation in disturbed areas like prairies and along roadsides. They thrive in a wide range of conditions, including poor soils and drought, and can form dense stands that reduce overall biodiversity and alter habitats. Key Characteristics of Siberian Elm Rapid Growth and Spread: Siberian elms germinate easily and grow quickly from their abundant, wind-dispersed seeds, […]

Beneficial Fungi for Healthier Trees

Beneficial Fungi for Healthier Trees Beneficial Fungi for Healthier Trees. Beneath the surface of every thriving landscape lies a hidden network that plays a vital role in tree health—beneficial fungi. Often overlooked, these naturally occurring organisms form partnerships with tree roots that support stronger growth, improved resilience, and long-term vitality. The most important group of beneficial fungi are called mycorrhizae. These fungi attach to tree roots and create a symbiotic relationship, meaning both the tree and fungi benefit. The fungi extend far into the soil, acting like an expanded root […]

Springtime Care for Flowering Trees

Springtime Care for Flowering Trees Flowering trees play a vital role in enhancing the aesthetic appeal of our surroundings. As the seasons change, these trees require attentive care to ensure their health and continued beauty. Springtime Care for Flowering Trees is a crucial period when trees emerge from dormancy, making it the ideal time to nurture them. By focusing on the right maintenance during spring, we set the stage for flowering trees to thrive. This care not only supports their growth but also guarantees that their blossoms will delight us […]

Bur Oak Blight (BOB)

Bur Oak Blight (BOB) Bur Oak Blight (BOB) is a fungal disease that causes leaves to develop wedge-shaped, brown lesions and remain on the tree into winter. Treatment involves fungicide trunk injections by a qualified Arborist, and leaf litter removal can reduce fungal spores.Preventative measures like maintaining tree health and proper watering also help, but BOB is best managed with professional diagnosis and treatment. What is Bur Oak Blight? Cause: A fungal disease that primarily affects bur oak trees in the Midwest. Symptoms: Purple-brown lesions along the […]

Recent Tree Health Threats

Recent Tree Health Threats Recent Tree Health ThreatsWhat’s New in Tree Health & Forest Threats- Wisconsin Department of Natural Resources (DNR)’s 2025 forest-health alerts In December 2025, the DNR advised property owners to watch for woodpecker “flecking” on ash trees — a tell-tale sign that Emerald Ash Borer (EAB) may be present. This invasive beetle remains “the most damaging threat to Wisconsin trees,” capable of killing ash trees over a few years if untreated. forestrynews.blogs.govdelivery.com+1 Also in late 2025: DNR foresters are continuing to monitor other invasive pests even if […]

What is Verticillium Wilt?

What is Verticillium wilt? What is Verticillium wilt?, a fungal disease that blocks water flow to the tree’s branches, causing leaves to suddenly wilt, yellow, scorch, and drop, sometimes leading to branch death or even the entire tree dying. Symptoms often appear on one or more branches and include sparse foliage and discoloration in the water-conducting tissues. While there’s no cure, pruning infected branches and proper tree care can help, but it’s essential to dispose of infected wood properly to prevent further spread. Symptoms of Vascular Wilt (Verticillium Wilt) […]

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