SKU: 27866254540

Cow's Horn Cactus - Euphorbia grandicornis

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Description

Cow's Horn Cactus - Euphorbia grandicornisEuphorbia grandicornis is commonly known as the cow's horn cactus, rhino thorn, or the big horn. It belongs to the Euphorbiaceae family and is native to a few places, including South Africa, Switzerland, and Kenya. Growing up to a height of 1. 5 6. 5 feet , this multi stemmed shrub goes dormant in winter. Growth Rate The Rhino Thorn is a relatively fast growing cactus, and it stays content in its position and with its soil for many years. Flowering

Euphorbia grandicornis is commonly known as the cow's horn cactus, rhino thorn, or the big horn. It belongs to the Euphorbiaceae family and is native to a few places, including South Africa, Switzerland, and Kenya. Growing up to a height of 1.5-6.5 feet , this multi-stemmed shrub goes dormant in winter.

Growth Rate

The Rhino Thorn is a relatively fast-growing cactus, and it stays content in its position and with its soil for many years.

Flowering

The Euphorbia grandicornis cow's horn cactus flowers are produced between spine pairs on newer growth, restricting them largely to the branch tips. These flowers are yellow and golden.

Watering and Feeding

Euphorbia grandicornis grows actively from the spring to the fall season, and that is when it should get the right amount of water. You can add a little bit of organic fertilizer to a young plant so that it grows healthily.

Soil

While any commercial succulent potting mix will keep the succulent happy, you can also create an organic Cow's Horn Cactus soil mix with 50% potting soil and 50% regular soil.

Hardiness

You will need to ensure that the air is at least 50 percent humid throughout the year since the plant has a hardiness zone of 10a to 11b. It can withstand temperatures up to -1.1°C.

Light

The Cow's Horn Cactus Euphorbia grandicornis light requirements include direct sunlight for at least six hours on a daily basis. If you plan to grow this plant indoors, you must place it near a window that gets lots of sunlight.

Propagation

Stem cuttings are the easiest way to propagate your Euphorbia grandicornis. Get a clean and sharp knife and collect the cuttings near the plant’s branching point.

Pinch out the tips of the plant occasionally as this will help encourage thicker growth. Other than pinching, plants need no particular grooming tasks.

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SKU: 27866254540

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Crystal Davis
Boise, US
★★★★★ 4
Good ball but does not glow.
Color: Glow in the dark I, Size: Medium
My Frenchie loves this ball and it seems to be made well, but it does not glow in the dark.
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Reviewed in the United States on November 18, 2025
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Nana
Dallas, US
★★★★★ 1
My Monster Dogs destroyed these balls
Color: Glow in the dark II, Size: Large
I was so excited to get two of these balls for my doodle puppies to have to play with . THEY DESTROYED THEM IN ALL OF TEN MINUTES. I don't believe that there was anything wrong with the balls. They were beautiful, high quality balls. Just not durable enough for my doodles.
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Reviewed in the United States on March 25, 2026
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Deborah Goellner
Birmingham, US
★★★★★ 3
Doesn't glow in the dark but my dog still enjoyed
Color: Glow in the dark Ⅳ, Size: Medium
Great
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Reviewed in the United States on May 4, 2026
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KC
Fort Morgan, US
★★★★★ 5
Sturdy, well made, puppy & senior dog approved
Color: Glow in the dark I, Size: Medium
Pet approved !!!! Our puppy immediately grabbed it by the straps and took off!! It is well made and has handled some serious chewing in the last 24 hours. We love the glow in the dark because puppy playtime does not stop when it gets dark out!! It came with a pump and was very easy to assemble and inflate. This toy would be great for a pet owner that struggles with grasp & grip strength, the straps are absolutely genius.
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Reviewed in the United States on February 10, 2026
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KennyR
Waukegan, US
★★★★★ 5
Fun, Durable Ball, But Straps Could Be Tougher
Color: Glow in the dark I, Size: Large
I bought the QDAN Glow in the Dark Dog Toys Soccer Ball for my German Shepherd, who absolutely loves it. The glow-in-the-dark feature is great for evening play, adding an extra layer of fun to our outdoor interactions. The ball itself has proven to be remarkably durable, standing up well to the rough play that comes with a large, active dog. However, the straps did not fare as well. My GSD managed to bite through most of them relatively quickly. While this hasn’t stopped us from enjoying the ball, it does mean that some of the interactive potential of the toy is lost. The ball continues to be a hit on its own, thanks to its resilience and the glow feature that keeps my dog engaged. If the straps were as durable as the ball itself, this would be a perfect outdoor toy for energetic dogs. As it stands, it’s still a good purchase for anyone looking for a sturdy, engaging toy for their pet, especially if nighttime play is a routine.
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Reviewed in the United States on September 25, 2024

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