About
Ageratina altissima 'Chocolate' is a herbaceous perennial characterized by its purple stems and broad, dark chocolate-brown leaves. In summer and early autumn, it produces clusters of small white flowers arranged in umbels.
About the genus
Ageratina consists of shrubs or herbaceous perennials characterized by their opposite leaves and clusters of small tubular flowers arranged in corymbs.
Growing conditions
- Sunlight
- Partial shade
- Soil type
- Chalk, Clay, Loam
- Soil pH
- Alkaline, Neutral
- Soil moisture
- Moist but well-drained, Poorly-drained
- Aspect
- West-facing, East-facing
- Exposure
- Sheltered
- UK hardiness
- H5
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Bushy
- Foliage
- Deciduous
- Height
- 0.5-1 metres
- Spread
- 0.5-1 metres
- Time to full height
- 2-5 years
- Suggested uses
- Wildlife gardens, Cottage and informal garden
Care notes
- Cultivation
- The ideal site is a moist, alkaline soil in partial shade; frost may damage new shoots
- Pruning
- Cut back faded flower stems to base
- Propagation
- Propagate by division in spring
- Pest resistance
- May be susceptible to slugs and aphids
- Disease resistance
- Generally disease-free