Black Adder Hyssop Boxwood creating a dramatic striped appearance

creating a dramatic striped appearance

Fertilizing: Feed lightly in spring with a balanced

cylindrical stems with a blue-gray hue that persists throughout the growing season

Four-Season Value: Evergreen form keeps the landscape looking intentional through winter

with rounded leaves that create a fuller

Black Adder Hyssop Boxwood creating a dramatic striped appearanceBlack Adder Hyssop (Agastache 'Black Adder') Black Adder Hyssop (Agastache 'Black Adder') is a standout perennial known for its long lasting spikes of deep violet blue flowers that attract pollinators from midsummer to fall. With aromatic foliage and an upright growth habit, this variety is ideal for adding color, texture, and wildlife appeal to borders, meadows, and pollinator gardens. Distinctive Features Black Adder Hyssop produces dense flower