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Herbaceous Perennial

Euphorbia hypericifolia

A frost-tender, evergreen, herbaceous perennial forming a mound, with stems to 60cm (2ft) high and wide, with green, opposite, elliptical leaves. Attractive, much-branched terminal flower clusters appear from spring to autumn, each consisting of a central green and white female flower, surrounded by showy, male flowers with elliptical, white floral bracts. The plant is often grown as an annual outdoors in cool climates, but where container grown, can be overwintered in frost-free conditions.

Synonyms
Chamaesyce hypericifolia
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
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green White Green
Summer Green White Green
Autumn Green White Green
Winter Green
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing or East–facing

Exposure
Sheltered
Drought resistance
Yes
Hardiness
H2
Botanical details
Family
Euphorbiaceae
Native to the UK
No
Foliage
Evergreen
Habit
Clump forming, Bushy
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

Correct

Plant range
Trop. & Subtrop. America

How to grow

Cultivation

Grows best in moist, but well-drained soil, or dry soil in full sun. See Euphorbia for further advice

Propagation

Propagate by seed in spring or by basal cuttings in spring or early summer; dip cut surfaces in charcoal or lukewarm water to prevent bleeding

Suggested planting locations and garden types
  • City and courtyard gardens
  • Gravel garden
  • Patio and container plants
  • Conservatory and greenhouse
  • Flower borders and beds
Pruning

Remove plants in autumn where grown as an annual outdoors; trim in spring to maintain a compact habit when grown under glass.

Pests

Generally pest-free

Diseases

Generally disease-free

Get involved

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