Overview

Euphorbia cornigera is a clump forming herbaceous perennial in the genus Euphorbia, part of the Euphorbiaceae family, with deciduous foliage. It typically grows around 0.5-1 metres tall and 0.5-1 metres wide, reaching full size in around 2-5 years. Euphorbia cornigera grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H5. It is drought resistant and low maintenance. Suggested uses include city and courtyard gardens, cottage and informal garden, gravel garden, flower borders and beds and wildlife gardens.

About

Euphorbia cornigera is a species of flowering plant in the Euphorbiaceae family. It is referred to by the common name horned spurge and is native to Bhutan. It is a rhizomatous herbaceous perennial growing to 75 cm (30 in) tall, rarely 1 m (3 ft 3 in), with narrow green leaves with a pale green spine. Acid yellow flowerheads (cyathia) are borne in summer. It grows to around 0.5-1 metres tall and 0.5-1 metres wide, carrying deciduous foliage. Grow it in full sun and partial shade and most soil types. It tolerates soil of any pH, moist but well-drained conditions and south-facing, west-facing and east-facing aspects.

Wikipedia contributors, CC BY-SA 4.0Euphorbia cornigera

About the genus

Euphorbia is a large and diverse genus of flowering plants, commonly called spurge, in the family Euphorbiaceae.

Wikipedia contributors, "Euphorbia", CC BY-SA 4.0Euphorbia

Growing conditions

Best soil and position for Euphorbia

Sunlight
Full sun, Partial shade
Soil type
Chalk, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing, West-facing, East-facing
Exposure
Exposed, Sheltered
UK hardiness
H5

Plant details

Euphorbia cornigera size, habit and characteristics

Plant type
Herbaceous Perennial
Habit
Clump forming
Foliage
Deciduous
Height
0.5-1 metres
Spread
0.5-1 metres
Time to full height
2-5 years
Suggested uses
City and courtyard gardens, Cottage and informal garden, Gravel garden, Flower borders and beds, Wildlife gardens

Care notes

Pruning and caring for Euphorbia cornigera

Propagation
Seed, Division, Offsets, Basal cuttings
Pest resistance
Aphids, Mealybugs
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Euphorbia cornigera?

Euphorbia cornigera prefers full sun and partial shade. It suits exposed and sheltered positions.

What soil does Euphorbia cornigera need?

Euphorbia cornigera is adaptable and grows happily in most soil types, including chalk, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.

How big does Euphorbia cornigera grow?

Euphorbia cornigera reaches a height of 0.5-1 metres and a spread of 0.5-1 metres. It takes around 2-5 years to reach full size.

Is Euphorbia cornigera hardy in the UK?

Euphorbia cornigera has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Euphorbia cornigera?

Seed, Division, Offsets, Basal cuttings.

More in the Euphorbia genus

Browse all Euphorbia

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