Butterfly Bush, Pugster Blue® Dwarf Butterfly BushPugster Blue is a branching compact deciduous shrub with tidy, dense foliage of willowy deep green leaves. A prolific bloomer with incredibly dense spikes of fragrant true blue clusters that bloom in summer attract pollinators and butterflies. Removing spent flowers can encourage continued blooms until frost. Best performance in sunny well drained areas. Asexual Propagation is prohibited. Type: Shrub Height: 1 2 Spread: 2 3 Spacing: 2 USDA Hardiness