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September 24, 2025
Cost: $12/members, /$20 non-members. Register online. Christina will explain how to avoid missteps & cover some basic cost-effective techniques to improve the long-term success for all the plants under mature trees. Christina Pfeiffer is a Seattle-based horticulture educator & ISA Certified Arborist who has enjoyed a long career in landscape horticulture. More information: www.northwesthort.org/events/, info@northwesthort.org or 206-780-8172.
Live Webinar