Napa Valley, CA headlines
Stay updated with the latest news, insights, and advancements from Bartlett Tree Experts, including innovations in tree care, research highlights, and company updates.
10/1/2026
Identifying hazardous tree conditions
When there is a hanging branch or crack in a tree, it’s easy to see that a problem exists. Other issues may be more difficult to detect.
Simple solutions can make a big difference. Pruning can lessen branch weight and wind resistance. Cables and brace rods can also be effective in helping to limit branch movement and protect trees.
9/29/2026
Christmas lighting
The holidays may be getting an earlier start each year, but this towering Canary Island Date Palm (Phoenix canariensis) has been lighting up Sonoma Plaza for special events all year long! Our Bartlett Sonoma crew regularly maintains the lighting display and carefully prunes the palm using our 70-foot aerial lift. Looking to make your trees stand out with a custom lighting display that turns heads from miles away? Give Bartlett Napa Valley a call and let's make it happen. 🌴✨
9/4/2026
Important advice for autumn
Fertilization is the single most important proactive measure you can take in caring for your trees this season. Soil care and fertilization in autumn dramatically improve growing conditions and provide the nutrients required for vital tree root development.
8/4/2026
Don't miss these warning signs
Trees under stress display key symptoms indicating a serious problem may exist. This includes wilting or loss of leaves/needles, yellowing of leaves or browning of needles, premature autumn color, early leaf drop and sappy spots on branches. Correctly identifying the underlying cause is critical to addressing tree health issues.
7/1/2026
Summer tree threats
Summer is a time of high activity for pests as well as tree diseases caused by fungi and other organisms. Some problems may be simply aesthetic, while others can be a real threat to tree health and vitality. As such, it is important to have an arborist check your trees to determine the underlying cause.
6/1/2026
Tree care recommendations for summer
Given the stress from higher temperatures and lack of rainfall comon in summer, it is critical to water your trees and shrubs thoroughly. Applying a 3-4" layer of mulch, inspecting for pest infestations and scheduling fall fertilization can also help maintain tree health and vigor.
5/4/2026
Critical care for trees
Now is a critical time of year to prepare your trees and shrubs for the coming season. Healthy trees and shrubs are better able to withstand the higher temperatures and dry weather conditions that summer brings. Proper care can help ensure the health of your landscape plants.
4/1/2026
Caterpillars and your trees
During spring, caterpillars and defoliating insects including California oakworm, Tussock moth and leaf tiers will emerge. We can provide effective treatments to minimize damage and help prevent a full-blown infestation.
3/6/2026
Tree problems can cause long-term damage
Now is the time to address tree health issues that are commonplace this time of year. Problems including browning on evergreen needles, damage to twigs and branches, cracks or splits in the bark and root issues should be identified in early spring, before serious damage occurs.
2/10/2026
Prepare trees for spring
After winter ends, your trees and shrubs will be working hard to establish spring growth. A soil test in early spring can help determine the precise nutrients needed for that growth, yielding a fuller canopy and vibrant, health foliage.
1/6/2026
Winter pruning
Winter is the ideal time to prune many tree species. Removal of dead or diseased branches this time of year can greatly reduce the risk they pose to your home and property. Plus, pruning can improve the overall health and appearance of your trees, getting them in shape for spring.
11/4/2025
Winter tree inspection
Colder temperatures and shorter days serve as a reminder that it’s time for your trees and shrubs to have a winter check-up. Now is the time to uncover issues such as weakly attached branches, dead wood, diseases, pest infestations and other problems before they can cause serious damage in the spring.