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Herbaceous Perennial

Euphorbia rigida
  • RHS AGM
  • RHS Plants for pollinators

upright myrtle spurge

An erect, then spreading, evergreen perennial to 60cm tall. The blue-green leaves are fleshy, and arranged spirally. Bright yellow flowers appear in small clusters at the tips of the shoots in late spring and early summer

Synonyms
Euphorbia biglandulosa Desf.
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Yellow Blue Green
Summer Yellow Blue Green
Autumn Blue Green
Winter Blue Green
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or North–facing or West–facing

Exposure
Exposed or Sheltered
Drought resistance
Yes
Hardiness
H6
Botanical details
Family
Euphorbiaceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy
Potentially harmful
Humans/Pets: IRRITANT to skin/eye, harmful 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
S Europe, SW Asia, NW Africa

How to grow

Cultivation

Will tolerate most garden situations but does best in well-drained soil in a sunny position. See Euphorbia for further advice

Propagation

Propagate by division

Suggested planting locations and garden types
  • Patio and container plants
  • Mediterranean climate plants
  • Coastal
  • Gravel garden
  • Rock garden
  • Cottage and informal garden
  • Wildlife gardens
  • Low Maintenance
Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free

Get involved

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