Bupleurum longifolium 'Bronze Beauty'

RHS Plant Profile
hare's ear 'Bronze Beauty'

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Herbaceous Perennial
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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. Loose clusters of flowers, with tiny yellow flowerheads surrounded by coppery petal-like bracts, are produced in summer, and develop to a soft bronze in late summer and autumn

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1–2 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Apiaceae
Native to GB/Ireland
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
Accepted

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
  • Gravel garden
  • Wildflower meadow
  • Banks and slopes
  • Cut flowers
  • Flower borders and beds

Pruning

Deadhead to avoid self-seeding

Pests

Generally pest-free

Diseases

Generally disease-free