Porcelain blue bottle-like flowers (1 to 1 1/2 inch) from August through early October seem perpetually closed & change to blue-violet with age, glossy leaves up to 4 - long in a whorl below the flowers, clay tolerant, good Rain Garden plant, likes acid soil. It's fun to watch Bumblebees muscle their way into the flowers to pollinate them.
1-2 foot tall
Plant Hardiness Zones: 4a-8b
Native Range: ME south to the mountains of NC & TN. Rare in NY
Germination - Moderately Difficult: Surface sow outdoors in late winter & cover lightly with coarse sand
Review or Finalize Your Order