Whether you're picking out a tree for your landscape or making a list for this season's to-dos, we have your tree care questions answered.
Tree Planting & Transplanting
Plants Under Trees: Protect the Root Flare
September 18, 2025
Plant under trees without smothering the trunk. Choose clumping, shallow‑rooted companions, keep the root flare visible, and build a breathable mulch ring.
Tree Selection Guide
Best Trees To Plant On Hillsides & Slopes (Evergreen & Shade)
October 17, 2022
Wondering what to plant on a slope to prevent erosion? Find the best evergreen and shade trees to plant on hillsides and steep slopes.
Trimming & Pruning
Wait – Before You Use Pruning Sealer On Trees…
April 14, 2021
After pruning (or trimming) your trees, should you use pruning sealer or pruning paint?
Tree Selection Guide
Top 5 Low Maintenance Evergreens for Privacy
August 25, 2022
Evergreens are great choices for privacy screens because they add this cover and color all year long. Let’s look at the best evergreens to plant for privacy.
Plant Health Care
What's This Green Stuff Growing On Trees And Rocks?
May 7, 2020
Lichen does not pose a threat to your tree’s health. It is completely harmless so there’s no real need to get rid of it. But if the sight of it bothers you, follow the steps in this post to remove it. We highly recommend to not use a pressure washer to remove lichen.
Trimming & Pruning
The Best Way To Prune Palm Trees (Step-By-Step)
August 9, 2021
Learn how to promote healthy palm trees. Scroll on to read our 3 step pruning guide.
Insect & Disease Issues
Spotted Lanternfly (SLF) Alert: What You Need to Know
April 2, 2020
Get the need-to-know facts on Spotted Lanternfly (SLF): what does spotted lanternfly look like, what states have spotted lanternflies, what trees are affected by spotted lanternfly, spotted lanternfly tree damage, what to do if you see a spotted lanternfly.
Tree Selection Guide
Fireproof Landscapes With Fire Resistant Plants, Trees & Shrubs
August 8, 2022
Learn what trees and shrubs are fire resistant in California including a fire resistant plant list and trees that can survive forest fires.
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