Agastache x 'Black Adder'
Black Adder Giant Hyssop
- » Long summer bloom
- » Nearly black buds
- » Aromatic leaves
- » Pollinator attractor
- » A hybrid resulting from a cross between A. rugosum and A. foeniculum
Hardiness Zone: 6-9
Height: 2-3 ft
Spread: 1-2 ft
