Patrinia scabiosifolia

RHS Plant Profile
eastern valerian

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eastern valerian RHS / Joanna Kossak
eastern valerian RHS / Joanna Kossak
eastern valerian RHS / Joanna Kossak
Herbaceous Perennial
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A spreading perennial, with basal clusters of dark green leaves to 10cm long. In summer it produces airy sprays of small, yellow flowers on branched stems up to 1m tall

Position

Full sun, Partial shade

Soil Types

Clay, Loam

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

Clay Loam
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
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)
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Caprifoliaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus
Patrinia are clump-forming, herbaceous perennials with long-stemmed sprays of small, yellow or white flowers. The leaves are mainly basal, mid- to dark green, nearly always lobed or divided
Name Status
Correct
Plant Range
E Asia

How to Grow

Cultivation

Grow in fertile, humus-rich soil in full or part sun to part shade

Propagation

Propagate by seed or by division in spring

Suggested planting locations and garden types

  • Cottage and informal garden
  • Flower borders and beds
  • Ground cover

Pruning

No pruning required

Pests

May be susceptible to damage by slugs and snails

Diseases

Generally disease-free