There's no mystery here, though, 'Mona Lisa Smile' will perform beautifully in your garden, producing paintbrush-like, long spikes of rosy purple flowers. This is one of the first speedwell to flower, starting about two weeks earlier than 'Very Van Gogh'. Its flowers cover most of the terrific, rounded habit.
Height: 22 to 24 inches
Spread: 22 to 24 inches
Exposure: Full Sun to Part Shade