Bupleurum longifolium
A short-lived perennial to 90cm high, with an upright habit, long narrow basal leaves, and oval to heart-shaped upper leaves clasping the stems. Leaves are mid-green to grey-green and sometimes tinted with purple. Produces loose clusters of flowers, with tiny yellow flowerheads surrounded by petal-like green bracts, in summer
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Size
Ultimate height
0.5–1 metresTime to ultimate height
1–2 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green Grey Silver | |||
|---|---|---|---|---|
| Summer | Green Yellow | Green Grey Silver | ||
| Autumn | Green Grey Silver | |||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Apiaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Columnar upright
- Genus
Bupleurum may be annuals, perennials or evergreen shrubs; the leaves are simple, the tiny yellow or green flowers are borne in a cluster usually subtended by petal-like green to yellow bracts
- Name status
Correct
- Plant range
- C Eur. to Siberia
How to grow
Cultivation
Grow in full sun in well drained soil; thrives in poor soils
Propagation
Propagate by seed sown fresh in autumn; plants can be short-lived so regular propagation is recommended. Plants grown from seed will usually flower in the second year
Suggested planting locations and garden types
- Cottage and informal garden
- Wildflower meadow
- Gravel garden
- Flower borders and beds
- Banks and slopes
- Cut flowers
Pruning
Deadhead to avoid self-seeding
Pests
Generally pest-free
Diseases
Generally disease-free
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