Discocactus arneispinus with a round green body and long white spines, displayed among small light-colored rocks.
Discocactus arneispinus, a round green cactus with white tufts and yellowish spines, grows among gray rocks; ideal for collectors.
Close-up of a green Discocactus arneispinus with white, star-like spines, set among rocks and gravel, highlighting this rare cactus.
Discocactus arneispinus cactus with white needles, prized by collectors for its rarity and beauty, ideal for succulent enthusiasts.
Close-up of Discocactus arneispinus with white radial spines and fuzzy tufts, set against a blurred rocky and earthy background.
Close-up of Discocactus arneispinus with long, thin white spines radiating in a web-like pattern against gray rocks.
Top view of Discocactus arneispinus, featuring white fluffy patches and long spines among gray and brown rocks—a rare collector’s cactus.
Discocactus arneispinus with long, curved white spines and yellow-tipped centers set among light rocks; ideal for cactus lovers.
Close-up of Discocactus arneispinus with dense white spines and white fuzz, nestled among gray rocks—perfect for cactus enthusiasts.
Close-up of Discocactus arneispinus with long, white curved spines in a radial pattern among gray and white rocks.
Top view of rare Discocactus arneispinus with long white spines and tufts of fuzz displayed among colorful rocks.
A round green Discocactus arneispinus with long white spines rests on gray and white rocks, showing its striking geometric pattern.


Discocactus araneispinus

Cultivation and propagation: Discocactus araneispinus are the easiest species of the genus to grow, but even so it isn't a plant for beginners, in fact collectors consider the Discocactus to be rarities with requires skilful cultivation. It is rather difficult to grow and frost tender, it can’t stand cold, or even fairly cool temperatures and should be kept at above 15° C if grown on its own roots (8°C if grafted). Need full sun or afternoon shade. They are slow growing and very rot prone when kept on their own roots and though they can’t endure long stretches of total dryness, too much water will rot them, as their weak root systems tend to be inefficient at sucking up water from wet soil. They generally resent being repotted and can take a long time to establish. When grown to maturity, however, it possesses an exotic look shared by no other cacti, and it generally attract a lot of attention.

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

Botanical Name Discocactus arneispinus
Family Cactaceae
Flower Color White
Genus Discocactus
Growth Habit Globose
Growth Rate Slow growth
Mature Size 710 cm
Native Area Southern brazil
Resistance 15° c
Sun Exposure Full sun (6+ hrs.), Partial shade (3–6 hrs. sun)
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Growers Quick Reference Guide - Key Features

Botanical Name Discocactus arneispinus
Family Cactaceae
Flower Color White
Genus Discocactus
Growth Habit Globose
Growth Rate Slow growth
Mature Size 710 cm
Native Area Southern brazil
Resistance 15° c
Sun Exposure Full sun (6+ hrs.), Partial shade (3–6 hrs. sun)

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Discocactus arneispinus

sku: 1050

4 reviews
Regular price$ 11.79
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Please note: All Landscape Ready plants that are in a 6-inch pot or larger WILL NOT come with a pot as it will be shipped bare root.

Please note: Our large plants are many years old, and as a result, they might have minor scaring but will arrive 100% healthy and looking great.

Please note: Our large plants are shipped bare root. They are also many years old, and as a result, they might have minor scaring but will arrive healthy and looking great.

Please note: All perennial drought tolerant plants 6 inch and larger plants will be shipped bare root. Before sending perennial plants, we often trim the leafy parts and remove flowers or buds. This helps them survive shipping and adjust to transplanting better.
Perennial plants shipped Mon - Wed only.

Please note: Perennial plants shipped Mon - Wed only.

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If you are not 100% satisfied with your purchase, you can return the product and get a product refund or exchange the product for another one, be it similar or not. Shipping charges may apply.

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Any plant that is 6" and larger that is not in our Houseplant category will be shipped bare root (without a pot).

What makes us different is the passion and the attention to detail in all we do here at Planet Desert. We are confident in the quality of our products. That’s why all our plants have a 100% satisfaction guarantee.

If you are not 100% satisfied with your purchase, you can return the product and get a refund or exchange it for another one — similar or not. Shipping charges may apply.

You can return a product for up to 14 days from the date of purchase. Please submit photos with your order number to info@planetdesert.com to initiate your return. Shipping fees may apply.

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  • Description
  • Key Plant Features


Discocactus araneispinus

Cultivation and propagation: Discocactus araneispinus are the easiest species of the genus to grow, but even so it isn't a plant for beginners, in fact collectors consider the Discocactus to be rarities with requires skilful cultivation. It is rather difficult to grow and frost tender, it can’t stand cold, or even fairly cool temperatures and should be kept at above 15° C if grown on its own roots (8°C if grafted). Need full sun or afternoon shade. They are slow growing and very rot prone when kept on their own roots and though they can’t endure long stretches of total dryness, too much water will rot them, as their weak root systems tend to be inefficient at sucking up water from wet soil. They generally resent being repotted and can take a long time to establish. When grown to maturity, however, it possesses an exotic look shared by no other cacti, and it generally attract a lot of attention.

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

Botanical Name Discocactus arneispinus
Family Cactaceae
Flower Color White
Genus Discocactus
Growth Habit Globose
Growth Rate Slow growth
Mature Size 710 cm
Native Area Southern brazil
Resistance 15° c
Sun Exposure Full sun (6+ hrs.), Partial shade (3–6 hrs. sun)

Growers Quick Reference Guide - Key Features

Botanical Name Discocactus arneispinus
Family Cactaceae
Flower Color White
Genus Discocactus
Growth Habit Globose
Growth Rate Slow growth
Mature Size 710 cm
Native Area Southern brazil
Resistance 15° c
Sun Exposure Full sun (6+ hrs.), Partial shade (3–6 hrs. sun)

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