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Strong, erect stems hold ribbed, dark green, lance-shaped leaves with evenly serrated edges and numerous spikes of violet-blue blooms sporting a white, central eye.
• | Attracts Butterflies |
• | Medium |
• | Green (dark) |
• | Container Plants |
Grows best in an average to moist, well-drained soil, in full sun or partial shade. Not tolerant of drought conditions. Prune dead flower stems to maintain a tidy habit and possibly extend the flowering time.