Veronicas add vertical interest to any garden with their colorful spikes and upright growth habit, and ‘Blue Skywalker’ is no exception. Lavender-blue floriferous spires sit atop a rounded layer of dark green leafy foliage. This plant is the perfect companion to add contrast alongside Shasta Daisies, Coneflowers, and Rudbeckia.. Mature Size: 30″ x 18″-20″. Full Sun (6+ Hours), Morning Sun Afternoon Shade.