Overview

Agastache rugosa 'Alabaster' is a 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 'Alabaster' grows best in full sun, and tolerates sandy and loamy soils and neutral pH. Its UK hardiness is rated H5. Suggested uses include borders and wildlife 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
Neutral
Soil moisture
Well-drained, Moist but well-drained
Aspect
South-facing
Exposure
Full sun
UK hardiness
H5

Plant details

Agastache rugosa 'Alabaster' size, habit and characteristics

Plant type
Perennial herb
Habit
Clump forming
Foliage
Deciduous
Height
1.0 m
Spread
0.66 m
Suggested uses
Borders, Wildlife gardens
Native to
East Asia
Fragrance
Aromatic

Care notes

Pruning and caring for Agastache rugosa 'Alabaster'

Propagation
Seed, Cuttings
Pest resistance
Generally pest-free
Disease resistance
Powdery mildew

Frequently asked questions

Where is the best place to plant Agastache rugosa 'Alabaster'?

Agastache rugosa 'Alabaster' prefers full sun. It suits full sun positions.

What soil does Agastache rugosa 'Alabaster' need?

Agastache rugosa 'Alabaster' grows best in sandy and loamy soil. It prefers neutral soil. Aim for soil that stays well-drained to moist but well-drained.

How big does Agastache rugosa 'Alabaster' grow?

Agastache rugosa 'Alabaster' reaches a height of 1.0 m and a spread of 0.66 m.

Is Agastache rugosa 'Alabaster' hardy in the UK?

Agastache rugosa 'Alabaster' 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 'Alabaster'?

Seed, Cuttings.

From the Fenn Plants journal

More in the Agastache genus

Browse all Agastache →