Perennial: Deer resistant. Woodland, rock garden and border plant. Mid-sized habit. Forms a mound of coarse green leaves low to the ground, with taller stems that bear large clusters of white flowers in late spring into summer. Excellent cut flower. Attracts hummingbirds. Size: 16-18" x 16-18". Exposure: sun/part shade. Water: moderate. USDA Z3. PPAF