Vernonia arkansana
Arkansas ironweed
A clump-forming perennial to 2m tall with upright stems clothed in narrow lance-shaped leaves. In autumn, loose clusters of small pinkish-purple flowers are borne on branched stems
Size
Ultimate height
1.5–2.5 metresTime to ultimate height
2–5 yearsUltimate spread
1–1.5 metresGrowing conditions
Moisture
Moist but well–drained, Poorly–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Green | |||
Autumn | Purple Pink | Green | ||
Winter |
Position
- Full sun
- Partial shade
Aspect
South–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
- Genus
Vernonia are annuals, perennials, climbers, sub-shrubs, shrubs and trees, though only the perennials are in cultivation. They have upright stems, simple, stalkless leaves and flat branched heads of tubular purple or reddish pink, occasionally white, flowers
- Name status
Correct
- Plant range
- North America
How to grow
Cultivation
Grow in a light, moderately fertile, moist soil preferably in full sun but will tolerate partial shade
Propagation
Propagate by seed or by division
Suggested planting locations and garden types
- Cottage and informal garden
- Prairie planting
- Wildlife gardens
- Flower borders and beds
Pruning
Deadhead to prolong flowering and, if necessary, to prevent self-seeding
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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