(Lobelia) LAGUNA® ULTRAVIOLET™ Lobelia is a beautiful electric purple colored Lobelia that fits perfectly into the PROVEN WINNERS® collection, with its large purple flowers. LAGUNA® is an outstanding plant for all summer flowering performance. LAGUNA® ULTRAVIOLET™ works well as a great mixed container plant although it has the color and habit that allow it to stand alone as a specimen. Lobelias are known for their tolerance of both heat and cold and Lobelia LAGUNA® offers unstoppable garden performance. Plant in full to part sun for best performance. LAGUNA® ULTRAVIOLET™ will bloom for your enjoyment until the first frost in the fall. A quick trim in midsummer will promote more blooms as the season progresses.