Inula conyzae
ploughman's spikenard
A native biennial plant about 80cm or more tall, with softly hairy, stalked mid-green basal leaves and purplish stems bearing dense clusters of tightly packed, cylindrical yellow flowerheads, 1cm in diameter, from midsummer to early autumn
Synonyms
Inula conyza DC.Buy this plant
Size
Ultimate height
1–1.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Well–drainedpH
Neutral, AlkalineColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Yellow | Green | ||
| Autumn | Yellow | Green | ||
| Winter |
Position
- Full sun
- Partial shade
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Asteraceae
- Native to GB / Ireland
- Yes
- Foliage
- Deciduous
- Habit
- Clump forming
- Genus
Inula may be annuals, herbaceous perennials or sub-shrubs, moslty with large basal leaves and daisy-like yellow flower-heads, often with narrow ray-florets
- Name status
Correct
How to grow
Cultivation
Grow in moist but well-drained soil in sun or light shade
Propagation
Propagate by seed
Suggested planting locations and garden types
- Wildflower meadow
- Wildlife gardens
Pruning
No pruning necessary
Pests
Generally pest-free
Diseases
May be susceptible to Powdery mildews in dry soil
Get involved
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