Agastache anisata
anise hyssop
An upright, deciduous perennial forming a clump of leafy stems. The leaves are highly aromatic with a distinct aniseed scent, and have white undersides. The flower spikes are short, with broadly ovate bracts, and are a strong violet blue
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Blue | Green | ||
Autumn | Blue | Green | ||
Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H3Botanical details
- Family
- Lamiaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Genus
Agastache are herbaceous perennials with simple, aromatic leaves and small 2-lipped tubular flowers in whorls forming dense spikes, in summer and autumn; some are rather tender but can be grown as annual bedding
- Name status
Correct
- Plant range
- N America
How to grow
Cultivation
Grow in sharply drained, fertile soil in full sun
Propagation
Propagate by seed or by division in spring
Suggested planting locations and garden types
- Cottage and informal garden
- Gravel garden
- City and courtyard gardens
- Flower borders and beds
Pruning
Remove spent flowering spikes through the season
Pests
Generally pest-free
Diseases
May be affected by powdery mildew
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.