Any White Paint Safe for Trees?
This is an important detail.
You shouldn’t simply grab any leftover paint and cover a tree with it. UC Integrated Pest Management guidance recommends white interior water-based latex paint diluted with an equal amount of water for susceptible trunks, rather than exterior or oil-based paint.
Applying the wrong product—or applying it incorrectly—can potentially cause problems, so tree-specific guidance is important.
An Old Practice With a Modern Purpose
Whitewashing trees is not a new idea. Historical accounts describe lime-based coatings being used on trees centuries
