2 inch Gymnocalycium horstii
2 inch Gymnocalycium horstii
2 inch Gymnocalycium horstii
2 inch Gymnocalycium horstii
2 inch Gymnocalycium horstii

Gymnocalycium Horstii Spider Cactus

(This plant comes in a 2 inch pot. All of our plants are grown under the same conditions, although not all the plants are the same. You will receive a similar plant in size and shape to the ones in the pictures. Our plants are hand-picked and carefully selected to bring you the best quality possible. Please allow us up to 3 business days to process your order. If you wish to receive your order on a specific date, or have special instructions, please add a note at the checkout. The plant is shipped in its pot to prevent any damage to the roots).

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.


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.


This cactus needs well-drained soil.


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


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.


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

Blooming Season Mid spring-summer
Common Name Spider cactus
Dormancy Winter
Family Cactaceae
Flower White/pink/pale purple
Frost Tolerance -4°c
Growth Rate Slow
Hardiness Zone 10a-11b
Height 10"
Origin South america
Pot Size 2 inch
Scientific Name 2 inch Gymnocalycium horstii
Shape Globose
Sun Exposure Light shade to full sun

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Customer Reviews
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David B.
United States United States

Simply The Best Quality!!!

Very unique and a wonderful addition to my ever-growing collection... exceptional quality and Service ..Thank You Very Very Much!!!

A Planet Desert Customer
Cencia B.
United States United States

little button

received a very healthy specimen

Railing L.
United States United States

Little chubby one

Plant is well packaged. Very shinning and healthy green color. A very cute little chubby 2 inches plant.

United States United States

Tiny Prickly Ball of Beauty

Cute little guy is trying to escape from the tiny 2” pot. Super dark green and chunky smooth. The little spines are thin and super sharp. Planet Desert wrapped it up very carefully so it arrived in perfect condition even though USPS sat on my shipment for three days due to a long weekend !!

Roger B.
United States United States

Gymnocalycium horstii

Arrived in excellent time and condition. Another great addition.

2 inch Gymnocalycium horstii

7 reviews
Regular price$ 6.49
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If you live in a cold climate and are expecting temperatures below 40 degrees within the next five days after placing your order, we highly recommend adding a heat pack to your order. If you do not order a heat pack, we do not send one with your order.

*PLEASE NOTE- If you are ordering both CACTI/SUCCULENTS and HOUSEPLANTS, you will need to purchase BOTH heat packs above to your cart.


($50 Promo not valid for Houseplant heat packs)

To prevent plants from freezing while in transit, orders placed for areas with extreme severe freezing temperatures will be held for shipment until it is safe to ship.

Plants that are in 3.5" pots and smaller will be shipped in its pot to prevent any damage to the roots. Any plant that is larger than a 3.5" pot WILL NOT come with a pot as it will be shipped bare root.

Depending on the species and season, you will receive a very similar plant to the one in the picture. It may or may not be blooming at the time of your purchase.

We ship via USPS Priority Mail, and we calculate the shipping cost based on the weight and volume of your purchase. Care instructions are included in every package you order. Please allow us up to 3 business days to process your order. Depending on your location, we will ship the plants on a certain day to avoid transit time during weekends or holidays. If you wish to receive your order on a specific date, or have special instructions, please add a note on your order. If you have any questions or comments, please feel free to contact us at any time.

*Does not apply to Houseplants catalog

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