echinocactus grusonii

Golden ball cactus, Ball cactus.

Care level

Easy

This perfectly round cactus is covered in striking golden-yellow spines that create a glowing halo effect when backlit by the sun. Despite its fierce appearance, it's actually one of the most reliable and long-lived indoor cacti, capable of growing for decades and reaching impressive sizes while maintaining its perfect ball shape.

Care & maintenance

Light

Direct sunlight

Light that enters through west or south-facing windows, the most intense light for your interior that will expose plants directly to sunlight.

Temperature

Wide range (10°C - 35°C)

Fertilization frequency

Low

Once per season.

Humidity & watering

Low

Allow the soil to dry between waterings.

An ambiant humidity between 20 and 50% is recommended.

Soil

Choose a Cactus mix: A gritty, fast-draining mix that prevents water retention. Replicates the sandy, rocky soils of arid regions.

If you want to create your own substrate, you can make a mixture of the following soils:

Click on the soil name for more information.

Pot

Standard size

Standard size

Prefer a pot with a classic width/depth ratio.

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Features

Size & growth

Medium

Upright

Slow growth

This plant grows slowly. It can reach 30 to 90 cm in height or spread.

It grows upwards without support.

Toxicity

Toxicity table by species
Cat
Dog
Human
echinocactus grusonii thumbnail
echinocactus grusonii thumbnail
echinocactus grusonii thumbnail
echinocactus grusonii thumbnail

Reproduction & propagation

Fruits & flowers

Flowering & not self-pollinating

The echinocactus grusonii can produce flowers and therefore fruits.
This plant is not capable of self-pollination, it will not be able to produce fruits if it is not pollinated by another individual.

Propagation methods

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