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Agastache rugosa 'Liquorice Blue'
© Deeproot Plant Base
common name: Giant Hyssop, Nettle-leaved Hyssop, Korean Mint
synonyms: Agastache scrophulariaefolia 'Liquorice Blue', Agastache urticifolia 'Liquorice Blue', Agastache foeniculum 'Liquorice Blue'
moist soil, sandy soil
preferred soil pH: neutral
minimum temp: -10°C
USDA zone: 6 to 10
Erect, leafy perennial with aromatic, toothed foliage and tall stems bearing whorls of soft violet-blue flowers in summer
Well drained fertile soil in full sun.
From seed, will normally flower in the first season.
Borders. Good cut flower.
Attractive to insects.
Traditional Chinese medicinal herb.
Leaves and flowers can be used to make a tea.