'Purple Dome' typically grows 18-24" tall and up to 3' wide with a low, bushy habit. Features a profuse bloom of dark purple flowers which can entirely cover the plant with bloom from mid-August until early October.
- Type: Perennial
- Zone: 5 to 8
- Height: 1.50 to 2.00 feet
- Spread: 2.00 to 3.00 feet
- Bloom Time: August to September
- Bloom Description: Royal purple
- Sun: Full sun
- Water: Medium
- Maintenance: Low
- Suggested Use: Rain Garden
- Flower: Showy, Good Cut
- Attracts: Birds, Butterflies
- Tolerate: Clay Soil