Originated by Danny Van Eechaute of Belgium, this non-registered cultivar is a sport of H. 'Emerald Tiara'. It has dark green foliage with a lighter green medial (center) variegation. 'Flemish Tiara' is a medium size (17 inches high by 34 inches wide) plant. Bell-shaped pale purple flowers are displayed on a 28 inch scape from mid-July to August followed by viable seeds.