How to prune butterfly bushes, lavatera, heather, lavender, rockroses, broom, and witch hazel, winter sweet and double-file viburnum. Handouts are available. Some plants get cut to the ground annually, others are barely touched or all hell breaks loose. Find out which ones are which, as well as which plants which are commonly--and appropriately--sheared every year. Also mentioned: perovskia, senecio greyi, and others. This lecture series is designed for those who work in landscape maintenance. Classes last two hours and are held on every other Thursday. Each lecture provides information on tools and techniques for quality pruning with better long-term results and customer satisfaction. Classes held in partnership with PlantAmnesty. Cost: $35/class. Discount available for series registrations and PlantAmnesty members. Register online or by phone (206-685-8033) Taught by Christina Pfeiffer 
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