Elegant towering spikes of white flowers on exposed dark stems. May – June. A Mt. Cuba trials favorite. Vase-shaped habit. 3.5 – 5′ tall. Full sun – light shade. Drought tolerant. Deer resistant. Attracts butterflies. Excellent in mixed borders. Plant low growing groundcovers around them as a compliment. Long lived. Hybrid of eastern U.S. natives. Zone 4