Gymnocalycium horstii

Gymnocalycium horstii is commonly known as ‘Spider cactus’ and belongs to the Cactaceae family. When the plant matures, it reaches a height of 10" inches. The main attraction of the Spider cactus is its globose shape which grows in brown color. A native of South America, this plant enters dormancy in winters.

Growth Rate

The growth rate of Gymnocalycium horstii is slow.

Flowering

This unique cactus blooms from Mid-spring to the summer season in attractive White/pink/pale purple-colored flowers.

Water and Feeding/Fertilizer

The watering method of the Spider cactus is not typical. It should be watered regularly but avoid overwatering. The best way is to use the dry and soak method.

Soil

This cactus needs well-drained soil.

Hardiness

​The hardiness of Gymnocalycium horstii is 10a-11b, with a frost tolerance of -4°C (24.8°F).

Light

Gymnocalycium horstii needs light shade to full sun to grow. It is better to plant this variety of cacti outside rather than indoors. As it needs a warm climate, proper sunlight will keep it healthy.

Propagation

Spider cactus can be propagated through seeds. This plant does not need repotting.

If you are planning to grow Gymnocalycium horstii in your garden, you can choose this plant without thinking twice as it will make your garden area beautiful.

Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz