Blog Archives

Information of tree and shrub pests and diseases.

California Oakworm

The coast live oak is an important part of both the wild and urban landscape through most of coastal California. When these beloved trees are defoliated by our native oakworm it can be a dramatic sight for the home owners.

Posted in Pests and Diseases Tagged with: Caterpillar, Coast Live Oak, Oak worm, Oakworm

Armillaria: Common Killer of Trees and Shrubs

One of the most under-diagnosed causes of tree failure are root rot pathogens. Here in southern California we have a few rots that plague our trees and I want to talk about one of them in particular. Armillaria Root Rot

Posted in Bartlett Tree Experts, Pests and Diseases, Tree Advice, Tree Safety

Winter Wash of Trees

If your trees or shrubs suffered badly from insect attack this year (e.g., aphid, scale, red spider mite, etc.), then there is an extremely high probability that they will be back next year in far greater numbers.

Posted in Pests and Diseases

What Do Japanese Beetles Eat?

Though strangely beautiful with their metallic green bodies and copper wings, Japanese beetles are a major pest in the eastern U.S. that feed on more than 300 different plant species. You’ll find adult beetles feasting throughout summer and into early

Posted in Pests and Diseases

Boosting Tree Defense Systems

Natural defense systems enable trees to ‘fight back’ when they’re under attack from pests or disease or facing stress from environmental conditions like drought. Even with these defense systems in place, trees will decline when conditions become too severe or

Posted in Pests and Diseases, Tree Research

Being a leader in the tree care industry means continually focusing on learning and innovation. Bartlett’s Tree Topics blog follows in that tradition by offering a place to receive advice on trees, tree pests, tree preservation, and more.

Make an appointment with your local Arborist Representative to discover why Bartlett is the leader in professional tree care.