Giant Hyssop 'Black Adder' adding color and texture to your garden all summer long with tall spikes of purple fragrant flowers that hummingbirds & pollinators will love! These purple flowers sit atop darker green wonderful smelling foliage that have the scent of anise when rubbed between your fingers. Perfect addition to herb, butterfly, wildflower gardens that will give you color when most things are done blooming
Grows in upright clumps that reach 2-3 ft tall and around 2 ft wide.
Has a long bloom time from summer into fall.
Once roots are established this perennial is drought tolerant and low maintenance. Grow in full sun with well draining soil.
Deer Resistant
Deadhead spent blooms to make way for new growth and continual blooming