Euphorbia grandicornis, Cow's Horn

Euphorbia grandicornis

Cow's Horn
Family: Euphorbiaceae
Origin: South Africa
Large shrub 5-10 ft tallSmall plant 2-5 ftFull sunDry conditionsModerate waterThorny or spinyIrritating plant

Euphorbia grandicornis, also known as Cow's Horn, is a large shrub native to South Africa. Growing 5-10 feet tall, these shrubs can be adapted to full sun or partial shade, however, they do best in full sun in warmer climates. A moderate amount of water is preferred, however, they are incredibly drought tolerant and can survive with only dry conditions.

For gardening in colder regions, Euphorbia grandicornis can be grown in a large container and brought indoors during the winter. However, they should be watered sparingly as they can be sensitive to overwatering. In the spring and summer seasons when the weather is warmer, these shrubs can be taken outside for added sunlight. Additionally, be aware that, despite being quite striking with their huge flowers and tiered leaves, these shrubs can be a bit prickly with thorns or spines on the stems.

Euphorbia grandicornis does best in USDA zones 9-11. A well-drained soil should be cultivated before planting in order to ensure optimal growth. The shrub can be multiplied through cuttings and grown to create a fuller, more lush effect. During the first season of growth it is important to maintain moderate watering as the shrub acclimates to its new environment. Once established in the garden, the shrub should only need occasional watering. Fertilizer is not necessary, however, it is beneficial to add a layer of mulch to the area surrounding the base of the Euphorbia grandicornis to control weeds and keep the soil moist.

These beautiful shrubs offer low-maintenance care and make a great addition to any household or garden. Not only do they have a captivating appearance, but they are incredibly resilient and will add a unique element of exotic beauty to your home.

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Euphorbia grandicornis, Cow's Horn
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