Conyza canadensis
blood stanch
An erect annual wildflower often regarded as a weed. Its upright stem to around 1m in height arises from a basal rosette of leaves in summer and bears many small (up to 3mm in diameter), yellow-centred, white flower heads on short stems
Other common names
Canadian fleabanecolt's tail
see morecow's tail
horseweed
mule tail
prideweed
bitterweed
butterweed
fireweed
hogweed
horse tongue
mare's tail
Synonyms
Erigeron canadensis
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
1 yearUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | White Yellow | Green | ||
| Autumn | Green | |||
| Winter |
Position
- Full sun
- Partial shade
Aspect
South–facing or North–facing or East–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Asteraceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Name status
Correct
- Plant range
- N & S America
How to grow
Cultivation
Grows in a wide range of soil types and conditions but prefers a well-drained, fertile soil in full sun. Native to North America but widely naturalised throughout Europe and parts of the UK. It is considered to be a weed and has the potential to become a nuisance. It is not suited to garden cultivation
Propagation
Propagate by seed
Suggested planting locations and garden types
Pruning
No pruning required
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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