5 years to reach maturity
This plant has a mild fragrance
More images of Giant Hyssop
Giant Hyssop Overview
The Agastache spp. are herbaceous perennial plants with upright spikes of aromatic flowers in a range of colours from white through pink, mauve to purple. They are easy to grow in sunny positions with well drained soil but with differing hardiness depending on species.
Common problems with Giant Hyssop
How to harvest Giant Hyssop
Collect seeds in autumn when mature.
How to propagate Giant Hyssop
Special features of Giant Hyssop
Attracts useful insects
Other uses of Giant Hyssop
Grown for their aromatic leaves and flowers.
Leaf tips can be eaten or made into teas.