Overview
Agastache rugosa 'Liquorice White' is a bushy, clump forming perennial herb in the genus Agastache, part of the Lamiaceae family, with deciduous foliage. It typically grows around 1.0 m tall and 0.66 m wide. Agastache rugosa 'Liquorice White' grows best in full sun, and tolerates sandy and loamy soils and any pH. Its UK hardiness is rated H5. Suggested uses include borders, herb gardens and pollinator gardens. It is native to East Asia.
About
Agastache rugosa, also known as wrinkled giant hyssop, Korean mint, purple giant hyssop, Indian mint, Chinese patchouli, or Huoxiang, is an aromatic herb in the mint family, native to East Asia.
Wikipedia contributors, CC BY-SA 4.0 — Agastache rugosa
About the genus
Agastache is a genus of aromatic flowering herbaceous perennial plants in the family Lamiaceae. It contains 22 species, mainly native to North America, one species native to eastern Asia. The common names of the species are a variety of fairly ambiguous and confusing "hyssops" and "mints"; as a whole the genus is known as giant hyssops or hummingbird mints.
Wikipedia contributors, "Agastache", CC BY-SA 4.0 — Agastache
Growing conditions
Best soil and position for Agastache
- Sunlight
- Full sun
- Soil type
- Sandy, Loamy
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained, Moist but well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Full sun
- UK hardiness
- H5
Plant details
Agastache rugosa 'Liquorice White' size, habit and characteristics
- Plant type
- Perennial herb
- Habit
- Bushy, Clump forming
- Foliage
- Deciduous
- Height
- 1.0 m
- Spread
- 0.66 m
- Suggested uses
- Borders, herb gardens, pollinator gardens
- Native to
- East Asia
- Fragrance
- Liquorice-scented flowers and foliage
Care notes
Pruning and caring for Agastache rugosa 'Liquorice White'
- Cultivation
- Prefers well-drained soil, avoid waterlogging, drought tolerant once established
- Pruning
- Cut back after flowering to maintain shape and encourage bushiness
- Propagation
- Seed, cuttings
- Pest resistance
- Generally pest-free
- Disease resistance
- Powdery mildews
Frequently asked questions
How do I grow Agastache rugosa 'Liquorice White'?
Prefers well-drained soil, avoid waterlogging, drought tolerant once established.
Where is the best place to plant Agastache rugosa 'Liquorice White'?
Agastache rugosa 'Liquorice White' prefers full sun. It suits full sun positions.
What soil does Agastache rugosa 'Liquorice White' need?
Agastache rugosa 'Liquorice White' grows best in sandy and loamy soil. It is happy in soil of any pH. Aim for soil that stays well-drained to moist but well-drained.
How do I prune Agastache rugosa 'Liquorice White'?
Cut back after flowering to maintain shape and encourage bushiness.
How big does Agastache rugosa 'Liquorice White' grow?
Agastache rugosa 'Liquorice White' reaches a height of 1.0 m and a spread of 0.66 m.
Is Agastache rugosa 'Liquorice White' hardy in the UK?
Agastache rugosa 'Liquorice White' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Agastache rugosa 'Liquorice White'?
Seed, cuttings.
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More in the Agastache genus
- Agastache 'Black Adder'

- Agastache 'Firebird'

- Agastache 'Tangerine Dreams'Hummingbird Mint
- Agastache breviflora