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Herbaceous Perennial

Euphorbia cyparissias 'Fens Ruby'
  • RHS Plants for pollinators

cypress spurge 'Fens Ruby'

A fast-spreading rhizomatous perennial with feathery, linear purple leaves and greenish-yellow flowers from late spring

Synonyms
Euphorbia 'Fens Ruby'
Euphorbia cyparissias 'Purpurea'
see moreEuphorbia cyparissias 'Clarice Howard'
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
1–1.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Orange Yellow Blue Green Purple
Summer Green Orange Yellow Blue Green Purple
Autumn
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Exposed or Sheltered
Drought resistance
Yes
Hardiness
H7
Botanical details
Family
Euphorbiaceae
Native to the UK
No
Foliage
Deciduous
Habit
Matforming
Potentially harmful
IRRITANT to skin/eye, harmful if eaten. Wear gloves and other protective equipment when handling
Genus

Euphorbia can be annuals, perennials, shrubs or succulents, with milky sap and small flowers held within cupped, often colourful bracts

Name status

Accepted

How to grow

Cultivation

Grow in well-drained soil in full sun. May have the potential to become a nuisance if not managed well. See Euphorbia for further advice

Propagation

Propagation is by division in early spring

Suggested planting locations and garden types
  • Coastal
  • City and courtyard gardens
  • Cottage and informal garden
  • Wildlife gardens
  • Banks and slopes
  • Flower borders and beds
Pruning

In early spring, cut back to base

Pests

Generally pest-free

Diseases

May be susceptible to rust

Get involved

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