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Circular 1445: Fire in the Wildland-Urban Interface: Selecting and Maintaining Firewise Plants for Landscaping

Figure 1. Dead needles, falling from taller pines, can accumulate or drape on branches of smaller trees and shrubs, like the pittosporum in this picture. The dry, dead needles dramatically increase the flammability of the shrub and vegetation around it.

Credit: Anna L. Behm, University of Florida