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Euphorbia ceratocarpa (Sicily Spurge)

Horned Spurge, Sicily Spurge

AGM Award
Euphorbia ceratocarpa, Horned Spurge, Sicily Spurge, Yellow Flowers
Euphorbia ceratocarpa, Horned Spurge, Sicily Spurge, Yellow Flowers

Euphorbia ceratocarpa (Sicily Spurge) is a very showy, upright, evergreen perennial or sub-shrub with long narrow gray-green leaves adorned with a prominent midrib. Blooming over a long season, bright yellow-green flowers, held in small clusters, appear above the foliage from mid-summer to mid-autumn. They bloom year-round in mild winter areas. Remaining attractive during all its growing season, this remarkable plant is resilient to most pests and diseases, drought tolerant, and deer resistant. A bold focal point for sunny rock gardens or mixed borders.

  • Winner of the prestigious Award of Garden Merit of the Royal Horticultural Society for its noteworthy qualities.
  • Typically grows up to 3-4 ft. tall (90-120 cm) and 3 ft. wide (90 cm).
  • Performs best in full sun in light, well-drained soils.
  • Perfect for beds and borders, cottage gardens, or rock gardens.
  • No serious pest or disease issues. Keep an eye out for aphids or root and stem rots in wet conditions.
  • Cut back flowering stems as they fade.
  • Propagate by softwood cuttings in spring or early summer; dip cut surfaces in charcoal or lukewarm water to prevent bleeding.
  • All parts are highly toxic by ingestion. Sap may irritate the skin and eyes. Wear gloves and other protective equipment when handling.
  • Native to Sicily and southern Italy.

Requirements

Hardiness 8 - 10
Plant Type Perennials, Shrubs
Plant Family Euphorbiaceae
Genus Euphorbia
Common names Spurge
Exposure Full Sun, Partial Sun
Season of Interest Spring (Early, Mid, Late)
Summer (Early, Mid, Late)
Fall
Winter
Height 3' - 4'
(90cm - 120cm)
Spread 2' - 3'
(60cm - 90cm)
Spacing 36" (90cm)
Maintenance Low
Water Needs Low
Soil Type Chalk, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Plant of Merit, Showy, Evergreen
Tolerance Drought, Deer
Garden Uses Beds And Borders
Garden Styles Informal and Cottage, Gravel and Rock Garden
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Alternative Plants to Consider

Euphorbia obesa (Baseball Plant)
Euphorbia resinifera (Resin Spurge)
Euphorbia mammillaris (Corncob Cactus)
Euphorbia xanti (Baja Spurge)
Euphorbia corollata (Flowering Spurge)
Euphorbia rigida (Upright Myrtle Spurge)

Recommended Companion Plants

Allium roseum (Rosy Garlic)
Verbena bonariensis (Tall Verbena)
Dahlia ‘American Dawn’
Aster x frikartii ‘Monch’ (Frikart’s Aster)

Find In One of Our Guides or Gardens

Native Plant Alternatives to Euphorbia cyparissias (Cypress Spurge)
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
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Requirements

Hardiness 8 - 10
Plant Type Perennials, Shrubs
Plant Family Euphorbiaceae
Genus Euphorbia
Common names Spurge
Exposure Full Sun, Partial Sun
Season of Interest Spring (Early, Mid, Late)
Summer (Early, Mid, Late)
Fall
Winter
Height 3' - 4'
(90cm - 120cm)
Spread 2' - 3'
(60cm - 90cm)
Spacing 36" (90cm)
Maintenance Low
Water Needs Low
Soil Type Chalk, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Plant of Merit, Showy, Evergreen
Tolerance Drought, Deer
Garden Uses Beds And Borders
Garden Styles Informal and Cottage, Gravel and Rock Garden
How Many Plants
Do I Need?
Explore Great Plant Combination Ideas
Euphorbia (Spurge)
Guides with
Euphorbia (Spurge)
Not sure which Euphorbia (Spurge) to pick?
Compare Now

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