...27 at Central Lakes College in Brainerd. The third annual event will feature keynote speaker Jeff Dirks, CLC director of horticulture. His topic will be season-long color accompanied by a slide presentation. The expo includes displays, vendors...

...and human cultivation," says Peter Grant, director of horticulture and operations at Old Westbury Gardens. "If...soil compaction," says Kim Johnson, assistant director of horticulture at Old Westbury Gardens. Many of today's weeds...