The eucalyptus longhorned borer is a serious pest affecting eucalyptus trees throughout California. Two closely related species, Phoracantha semipunctata and Phoracantha recurva, have become [...]
Eucalyptus trees are among the most recognizable and widely planted trees throughout Southern California. Valued for their rapid growth, shade, and adaptability, these trees play an important role in [...]
Tree pests are one of the most common causes of tree decline in Southern California. Left untreated, infestations can weaken trees, spread rapidly, and lead to irreversible damage. In this guide, we [...]
The South American Palm Weevil (SAPW) has become one of the most destructive invasive palm tree pests affecting Southern California landscapes. Native to tropical regions of South America, this [...]
Fireblight (Erwinia amylovora) is a common bacterial infection that affects trees and shrubs in the Rosaceae family. For us in sunny San Diego and neighboring counties these are the ornamental [...]
The dotted paropsine leaf beetle, an invasive eucalyptus pest native to Australia, is rapidly spreading across Southern California and causing significant damage to eucalyptus trees throughout the [...]
Palms are most closely associated with grass. They are “monocots.” Woody trees are “dicots.” Monocots have one point of growth, while dicots have two. With their second growing point (cambium), [...]
Italian cypress reminds me of the Queen of Hearts and her castle in Alice in Wonderland. They line the property boundaries of fine estates, work as an excellent screen species and require minimal [...]
Greedy Scale: AKA Mr. Krabs scale; this scale wants all of your money! Well, not exactly. But it certainly threatens your landscape investment. Arbutus ‘Marina’ is a common landscape planted tree. [...]
Do insects and pathogens wake up in the morning, get their coffee and ponder on a balcony: “What do I feel like eating today?!” No. Quite the contrary. Trees and plants alike attract insects and [...]