CACTUS EUPHORBIA GRANDICORNIS

Botanical Name:
Euphorbia grandicornis

Common Names:
Cow’s Horn Euphorbia, Rhino Horn, Spurge

Light Requirements:
Full sun to bright light

Soil Requirements:
Well-drained soils; tolerates rocky, sandy, and poor substrates

Water Needs:
Very low; extremely drought-tolerant once established

Stems:
Thick, angular, three-ribbed green stems with prominent spines along the ridges; sculptural and dramatic

Flowers:
Small yellow-green cyathia appear seasonally; subtle but attract pollinators

Growth Rate:
Slow to moderate

Uses:

Ornamental Plant:
Euphorbia grandicornis is admired for its bold, sculptural stems and striking spines, adding texture and character to xeriscapes, rock gardens, and desert landscapes.

Xeriscaping:
An excellent choice for low-water-use gardens, thriving in arid, sunny regions with minimal care.

Sculptural Accent Plant:
Its dramatic silhouette and tough, architectural form make it a standout specimen in modern, minimalist, or collector gardens.

Benefits:

• Extreme Drought Tolerance: Thrives in harsh, dry conditions with minimal irrigation.

• Low Maintenance: Hardy, pest-resistant, and long-lived; needs little more than occasional cleanup.

• Pollinator Friendly: Flowers attract beneficial insects during bloom periods.

• Architectural Form: Its bold, spined stems provide year-round visual impact.

• Cold Adaptability: Tolerates light frost, suitable for many dry climates.

Euphorbia grandicornis is a resilient, slow-growing succulent shrub that brings strength and drama to arid and water-wise landscapes. Its sculptural, spiny stems and minimal care needs make it a must-have for collectors and sustainable gardens.