Zone: 4
Height:   45-60cm [18-24"]
Spread: 30-45cm [12-18"]
Bloom: Summer through September; long, showy spikes 30-60cm [2-3ft] of small, deep blue flowers
Foliage: Deciduous; deep green, elongated heart-shaped
Light: Sun to part shade
Water: Regular (or mulch well)
Soil: Consistently moist with good drainage, do not let dry out [mulch]
Garden Location: Borders, naturalizing