Tall-growing, upright perennial with square stems and toothed, anise-scented leaves.
This variety produces long showy spikes of tiny lavender-blue flowers from midsummer to autumn.
The nectar-filled flowers are loved by bees and butterflies.
The aromatic leaves can be used for teas, jellies and potpourri.
Giant hyssop was used medicinally by the Native Americans.
Native to central North America...