Plants may spread rapidly in sandy soil in warm climates. 2-lipped flowers atop erect stems. Full sun to very light shade. Well-drained, dry soil. Penstemon will not tolerate wet soil.
Plants are ideal for rock gardens.
Filtered sun to full shade. These phlox are excellent plants for shady rock gardens or for naturalizing in woodland settings. Plants have an erect form. Well-drained, evenly moist, slightly alkaline soil. Adapts to a wide range of conditions and may become weedy.