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Herbaceous Perennial
Ageratina altissima 'Chocolate'
snakeroot 'Chocolate'
'Chocolate' is an herbaceous perennial with purple stems bearing ovate, dark chocolate-brown tinged leaves and umbel-like clusters of small white flowers in summer and early autumn
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Chalk
Clay
Loam
Moisture
Moist but well–drained, Poorly–drainedpH
Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Purple | Brown Green | ||
|---|---|---|---|---|
| Summer | Purple | White | Brown Green | |
| Autumn | Purple | White | Brown Green | |
| Winter |
Position
- Partial shade
Aspect
West–facing or East–facing
Exposure
Sheltered Hardiness
H5Botanical details
- Family
- Asteraceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Genus
Ageratina are shrubs or herbaceous perennials with opposite leaves and small tubular flowers borne in corymbs
- Name status
Accepted
How to grow
Cultivation
The ideal site is a moist, alkaline soil in partial shade; frost may damage new shoots
Propagation
Propagate by division in spring
Suggested planting locations and garden types
- Wildlife gardens
- Cottage and informal garden
- Flower borders and beds
Pruning
Cut back faded flower stems to base
Pests
Diseases
Generally disease-free
Get involved
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