The Magic of Mycorrhizae

Trees are amazing organisms that provide food, shelter and other resources for a variety of living things, including everything from mistletoe to humans. But while it is important to recognize the contributions trees provide to the rest of the planet, it is equally important to recognize the ways other species actually help trees to survive. […]

Riparian Trees for California Properties

Riparian areas – the land adjacent to a river, creek or stream – are unique and important habitats. Because of their low elevation and proximity to waterways, they’re subject to frequent (and often extended) floods. Additionally, this proximity to water increases the number of insects and fungi living in these areas. The species that dominate […]

Four Flood Sensitive Species to Watch After Last Month’s Showers

Given our Southern California service area, we talk a lot about drought-tolerant trees. In the best of years, rainfall is light; in the worst, it is nearly nonexistent. This is obviously an important consideration when selecting or caring for trees. But, as you’ve undoubtedly noticed, we’ve experienced quite a bit of rain lately. To be […]

The Native Habitat of Redwood Trees

Coastal redwoods (Sequoia sempervirens) are some of the most iconic trees in the world. They grow taller than any other living trees and more massive than all but a handful of others. They’ve shared our planet for millions of years, and over this time, they’ve played an important role in the ecosystems they’ve played a […]

Interested in Growing Avocados? Check Your Soil First

In the past few years, an increasing number of homeowners have been bitten by the fruit-tree bug. Instead of roses or marigolds, people are interested in growing their own citrus, pear, apple or avocado trees. But whether you want to start producing tree fruits with an eye toward profit, or you are simply interested in […]

Bark Beetles

The world is home to about 6,000 bark beetle species – known to biologists as the subfamily Scolytinae. One of the most famous examples is the elm bark beetle (Scolytus schevyrewi), which transmits the fungi responsible for causing Dutch elm disease. However, the most important bark beetles for North American trees (particularly conifers) are undoubtedly […]

Trees are no match for mother nature’s wind

Watch the Video Here: http://www.foxla.com/news/local-news/232272129-story POSTED:JAN 27 2017 10:10PM PST UPDATED:JAN 27 2017 10:10PM PST (FOX 11) – Winds were erratic throughout the day. In some places, they were like a breeze. In other areas they were so strong they knocked down trees as if they were toothpicks. In some cases, they dropped on top […]

Tree Growth Explained: The Magic of Meristems

From a macro view, trees appear to grow in many different ways through the course of a season. Their leaves unfurl and enlarge in the spring and their fruit swell in the summer. But this is not true growth – after all, the tree will shed these structures eventually. True growth occurs when trees produce […]

Three Great Tree-Identification Apps for Your Smart Phone

There are few aspects of life that remain untouched by technology. Even the ways we interact with the natural world have changed thanks to the technology available at our fingertips. For example, if you wanted to identify a tree20 years ago, you’d have to break out a field guide or a dichotomous key. But in […]

Mushrooms: Potential Harbingers of Doom

Many homeowners and property managers are surprised when the arborist or tree-care professional they enlisted to prune a tree, spends the bulk of his time explaining the dangers of a tiny little mushroom, growing out of their 100-foot-tall tree. Surely such a tiny, insignificant little outgrowth poses no threat to the mighty oak growing above […]