Last year I began fire mimicry treatments on three coast live oaks in Novato, CA. The first oak, shown in the images above and below (Case Nos. 20190220.1 & 20190220.1b), is an ancient Miwok-era oak with an estimated age of more than 300 years. It was in fairly good health when I treated it and is now showing an even denser canopy than before. Also, note that the last photo set in this series shows two oaks, one treated and the other untreated. The untreated oak is showing some increased browning of the canopy, while the treated oak is showing a clear increase in canopy density.
Sudden Oak Life 
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