Euphorbia wallichii Hook. f.

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Wallich spurge

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Wallich spurge RHS
Wallich spurge RHS

Synonyms

Euphorbia wallichii 'TRUE'
Euphorbia luteoviridis
Euphorbia himalayensis misapplied

Plants for pollinators
Herbaceous Perennial
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A variable perennial to around 60cm tall often forming bushy clumps of upright stems with dark green leaves up to 7.5cm long marked with a pale central vein. Bright yellow flowerheads up to 12.5cm across are produced from late spring into summer

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

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

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

Position

Full sun Partial shade
Aspect
South–facing or West–facing or East–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
Drought Resistance
Yes

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Euphorbiaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy, Clump forming
Potentially harmful
Humans/Pets: IRRITANT to skin/eyeharmful if eaten. Wear gloves and other protective equipment when handling. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus
Euphorbia can be annuals, perennials, shrubs or succulents, with milky sap and small flowers held within cupped, often colourful bracts
Name Status
Correct
Plant Range
Asia

How to Grow

Cultivation

Grows best in a fertile soil in full sun but will tolerate partial shade. See Euphorbia for further advice

Propagation

Propagate by seed, by division or by basal cuttings taken in spring or early summer

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Coastal
  • Wildlife gardens
  • Flower borders and beds

Pruning

Cut back flowering shoots to ground level in late summer or autumn

Pests

Generally pest-free

Diseases

Generally disease-free