Tree Biology

A Guide to Vertical Mulching

Identifying and Managing Tree Suckers: Essential Tips for Healthy Growth

The Silent Threat: Red Turpentine Beetle in Monterey Pine (Pinus radiata) Trees in the Bay Area

San Francisco’s Oldest Living Tree Or Shrub? The Case of the 120-Year-Old Australian Tea Tree

Tree Shapes: Pyramids, Lollipops, and Vases

11 Hardwood Trees for Windy Locations

Armillaria Root Rot—Its Bark Glows in the Dark!

Surface Roots: Unsightly and Unsafe!

How to Get Grass (And Other Plants) to Grow Under Your Evergreens

The Top 9 Most Common Tree Issues & How to Solve Them