About
Agastache rupestris is a perennial that can reach heights of about 1 meter. It features slender, silvery-green leaves that emit a fragrance reminiscent of both liquorice and mint. During the summer and autumn months, the plant produces spikes adorned with tubular flowers in shades of pink and orange.
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
- West-facing, East-facing, South-facing
- Exposure
- 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, City and courtyard gardens, Wildlife gardens
- Fragrance
- Foliage
Care notes
- Cultivation
- Grow in reasonably well-drained soil in full sun. Drought tolerant. Not as hardy as broader-leaved species
- Pruning
- Remove spent flowering spikes through the season
- Propagation
- Propagate by seed
- Pest resistance
- Generally pest-free
- Disease resistance
- May be susceptible to powdery mildews