Deciduous shrub border with an upright, vigorous habit and pale green foliage. Prune in winter to maintain preferred height. Great choice for butterfly gardens.
Bloom/Features: Fragrant, violet-purple flowers in summer
Dimensions: 8-10′ H x 4-6′ W
USDA Zones: USDA Zones 4-9
Exposure: Full sun
Soil: Fertile, well-drained
Water: As needed
Uses: Bed, border, mass planting