About
Agastache nepetoides is a robust perennial that can reach heights of approximately 2 meters. It features sturdy, square stems and aromatic leaves that are coarsely toothed and can grow up to 15 centimeters in length. In late summer, it produces compact spikes of tubular flowers that are pale greenish-yellow in color.
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, Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- East-facing, South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H3
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Columnar upright
- Foliage
- Deciduous
- Height
- 1.5-2.5 metres
- Spread
- 0.5-1 metres
- Time to full height
- 2-5 years
- Suggested uses
- Architectural, Cottage and informal garden, Wildlife gardens
- Native to
- E Canada, Central USA
- Fragrance
- Foliage
Care notes
- Cultivation
- Thrives in fertile, moist but well-drained soil in sun or light shade. Dislikes summer drought
- Pruning
- Remove spent flowering spikes as they fade
- Propagation
- Propagate by seed or by division in spring. Will self-seed in place in good conditions
- Pest resistance
- Generally pest-free
- Disease resistance
- May be susceptible to powdery mildews