Plant Catalog › Penstemon barbatus 'Pristine Lilac Purple' Penstemon barbatus 'Pristine Lilac Purple' $0.00 Common Names: Beardlip Penstemon, Scarlet BuglerBlooms: SummerH: 15-20" W: 10-15"Color: Purple Shades Add To Cart Added! Common Names: Beardlip Penstemon, Scarlet BuglerBlooms: SummerH: 15-20" W: 10-15"Color: Purple Shades