About
Helen Robinson' is a dense, upright, spreading, evergreen perennial to 80cm tall. The neat, green leaf rosettes are covered in thick, soft hairs when young and the flowers, produced from mid-spring, are yellow-green with a red eye.
About the genus
Euphorbia can be annuals, perennials, shrubs or succulents, with milky sap and small flowers held within cupped, often colourful bracts
Growing conditions
SunlightFull sun
Soil typeChalk, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureWell-drained
AspectWest-facing, South-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH5
Plant details
Plant typeHerbaceous Perennial
HabitBushy
FoliageEvergreen
Height0.5-1 metres
Spread0.5-1 metres
Time to full height2-5 years
Suggested usesPatio and container plants, Cottage and informal garden, Gravel garden, City and courtyard gardens, Wildlife gardens
ToxicityHumans/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
Care notes
CultivationGrow in well-drained, light soil in full sun. May have the potential to be a nuisance if not managed well. See Euphorbia for further advice
PruningCut back flowering shoots to ground level in late summer or autumn
PropagationPropagate by basal cuttings in spring or early summer; dip cut surfaces in charcoal or lukewarm water to prevent bleeding
Pest resistanceMay be susceptible to aphids
Disease resistanceMay be susceptible to root and stem rots in wet conditions