Picture via Ebay
Basic Info
Euphorbia Grandicornis is commonly known as ‘Cow’s Horn’. As the plant matures you can expect it to reach up to around 10 cm (4″) in diameter. When looking at the plant you will notice that the cacti has a zig zag way of growing. When the plant flowers you can expect it to produce yellow flowers.
Scientific Classification
Family: Euphorbiaceae
Subfamily: Euphorbioideae
Tribe: Euphorbieae
Genus: Euphorbia
Care and Propagation Information
Watering
Euphorbia Grandicornis ‘Cow’s Horn’ can be quite beautiful when it is well-taken care of. This succulent type needs typical watering as the other succulents. The watering method is very important to keep your Cow’s Horn healthy. It should not sit on the water, and an excess amount of water should be avoided. The best way of watering is soak and dry method this succulent. Yet, the succulent should be controlled to avoid overwatering.
General Care for Euphorbia Grandicornis ‘Cow’s Horn’
This succulent type is a unique one that blooms in the spring. When it blooms, you will enjoy yellow flowers. It is a nice addition to your collection of plants especially if you have it displayed in a beautiful pot.
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Quick Facts:
- Prefers full sun
- Can be grown outdoor
- Grows 2 m (6.6ft) tall
- Grows up to 10 cm (4″) wide
- Can die easily if overwatered see: How to Water Succulent Plants
- Does not handle cold well
- Prefers Zone 10a-11b -1.1°C (30°F)
- Best propagated by grafting or seeds
- Flowers are red
Where to Plant
Euphorbia Grandicornis ‘Cow’s Horn’ succulents need strong light. When planting this succulent type in a garden, make sure it gets sunlight. Full to partial sun is the best for its growth. It is better to grow outdoor rather than indoor.
This type of succulent prefers a warm climate. It can survive at zone 10a-11b which is around -1.1 °C (30°F). If you live in a cold area, it is better to plant Cow’s Horn in an indoor environment. As long as it gets enough sunlight, the plant will grow happily.
When selecting what pot to use be sure that you understand the difference between the material used (See our guide on how to pick the best plant pot).
How to Propagate Euphorbia Grandicornis ‘Cow’s Horn’
Cow’s Horn can be propagated by grafting or seeds. This succulent type does not require repotting often. Of course, the first-time repotting is essential when it is bought from the store. You can learn all about How To Repot Succulents in our guide.
Like all the other succulent types, a well-drained soil mixture is essential. If you want to know about well-drained soil mixtures, check How to Prepare Well-drained Soil for Succulent Plants.
How to Propagate Euphorbia Grandicornis ‘Cow’s Horn’ By Beheadings
You can cut off the head of the succulent using clean scissors. Leave a few inches to the base to stay on the safe side. There should be enough stem on the cutting. Before replanting, wait for a few days so cutting and the base can dry. When the cutting is calloused, replant it. Don’t forget to water when the soil dries out.
How to Propagate Euphorbia Grandicornis ‘Cow’s Horn’ Using Seeds
This succulent type is a slow grower so even if it can be propagated by its seeds, this method is not recommended. To propagate from the seeds, plant the seeds in a well-draining soil mixture. This method can be used outdoors. In cooler areas, indoor propagating is recommended.
Origin and Habitat
Euphorbia Grandicornis ‘Cow’s Horn’ is native to Mozambique, Kenya, South Africa, and Swaziland.
