Some Boxwood Varieties Show Tolerance to Blight

AmericanHort Contributor October 17 2012

A recent report from the North Carolina State University Cooperative Extension showed considerable variability in the susceptibility of Boxwoods (Buxus spp.) to Boxwood Blight (Cylindrocladium pseudonaviculatum). The researchers evaluated twenty-four varieties and found B. sempervirens ‘Suffruticosa’ to be the most susceptible. Unfortunately, Suffruticosa (Common Boxwood or English Boxwood) is the mostly commonly planted Boxwood variety in the United States. However, the authors did find nine varieties that, they determined, were “moderately tolerant&r...

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