Identifying Signs of Summer Tree Disease

Powdery mildew

Sometimes signs that a tree is doing poorly are obvious. Its leaves turn black, curl up and fall, or its bark weeps sap or sloughs off. Dead-looking branches suddenly snap off and fall even though there’s no wind. Other signs of disease are more subtle. If you see signs of disease in your tree, get […]

Preventing Sudden Oak Death Spread During Wet Weather

Certified arborist inspecting coast live oak trunk for signs of Sudden Oak Death after winter rain

Why Wet Weather Triggers Sudden Oak Death Winter rain is vital for our ecosystems, but it also fuels one of Sonoma’s most destructive tree diseases: Sudden Oak Death (SOD). Caused by the waterborne pathogen Phytophthora ramorum, this fungus-like organism thrives in cool, wet conditions. When rain splashes from infected California bay laurels onto nearby oaks, […]

Why a Winter Tree Removal Is Best

Lumberjack Cutting a big Tree

Whether a tree is damaged, diseased, infested with pests, or poorly placed, there may be a variety of reasons you want a tree removed from your landscape. In an emergency, remove the tree right away regardless of the season. If the problem is not urgent, however, winter is the best time to remove your tree. […]

What Your Trees Need To Be Healthy: A New Year’s Guide

Trunk With Red Heart Shape

Trees add beauty to a property, but they need care to stay healthy. Maintaining your trees starts with keeping them watered. You also want to add mulch, prune, and add fertilizer. There are steps to prevent pests and disease as well. The new year is a great time to start implementing a plan to take […]

What to Do for Strong, Healthy Trees During the Holidays

Cutting tree branch

You probably believe that your trees will do perfectly well during the cold months without your help. If your trees are mature and healthy and suited to your hardiness zone, you’re probably right. However, every living thing can use as much help as it can get when temperatures plunge and resources are scarce. Here are […]

Tree Trimming for the Holidays

tree pruning

When we talk of trimming the tree for the holidays, we’re usually thinking about hanging tinsel, lights and other decorations on an evergreen tree. But the other type of tree trimming is just as important during this time of year. Keeping your trees trimmed and branches away from roofs and decorations is essential for every […]

Fall Disease Watch: Containing Anthracnose, Sudden Oak Death, and Powdery Mildew Before Winter

Close-up of oak leaves showing fungal disease damage in Sonoma County.

Protecting Sonoma & Napa Trees Before Dormancy As fall settles into Sonoma and Napa counties, cooler nights and seasonal rains bring much-needed relief to drought-stressed landscapes. Unfortunately, this same weather also creates the perfect breeding ground for fungal tree diseases. For homeowners, HOAs, and property managers, fall is the most important window to get ahead […]

Clean It Up Now, or Pay for It Later: Fall Pruning and Cleanup Before Winter

TreePro crew performing fall pruning and cleanup on a property in Sonoma County

Why Fall Cleanup Matters As summer fades and winter approaches, your trees face a new set of challenges. Wind, rain, and heavy winter storms can turn weakened or overgrown branches into hazards. Fall is the perfect time to prune, remove deadwood, and clear debris — reducing risks before the season’s first storm. But tree pruning […]

Why Fall Is the Best Time for Tree Inspections in Sonoma and Napa

Certified arborist inspecting a tree during fall in Sonoma County

As the vineyards turn golden and cooler evenings arrive in Sonoma and Napa, most homeowners and property managers are busy with harvest, cleanup, or year-end planning. But there’s one seasonal task that’s often overlooked—and it could save you major costs and risks down the road: a professional fall tree inspection. In Northern California, fall is […]

The Dangers of Icy Trees

Snow covered trees

One of the biggest dangers trees present is what can happen to them during the winter. The extreme cold combined with the creation of ice can make falling limbs, branches, or the entire trunk a threat. Thankfully, most of these threats can be eliminated during the fall via proper trimming and pruning from a professional […]