About

Agastache foeniculum (Pursh) Kuntze is a vertical, herbaceous perennial that develops a dense cluster of stems adorned with foliage. The leaves emit a pronounced aroma reminiscent of anise and feature white undersides. Its floral spikes are compact, characterized by broad ovate bracts, and display a vibrant violet-blue hue.

About the genus

Agastache consists of herbaceous perennials featuring straightforward, fragrant foliage and small tubular flowers with two lips, arranged in whorls that create compact spikes during the summer and autumn months. While some species may be somewhat tender, they can also be cultivated as annual bedding plants.

Growing conditions

Sunlight
Full sun
Soil type
Chalk, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Well-drained
Aspect
South-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H3

Plant details

Plant type
Herbaceous Perennial
Habit
Bushy
Foliage
Deciduous
Height
0.5-1 metres
Spread
0.1-0.5 metres
Time to full height
2-5 years
Suggested uses
Cottage and informal garden, Gravel garden, City and courtyard gardens
Native to
N America
Fragrance
Foliage

Care notes

Cultivation
Grow in sharply drained, fertile soil in full sun
Pruning
Remove spent flowering spikes through the season
Propagation
Propagate by seed or by division in spring
Pest resistance
Generally pest-free
Disease resistance
May be susceptible to powdery mildews