mammillaria hahniana

Hairy mammillaria, White owl cactus.

Care level

Easy

This charming little cactus looks like it's wearing a cozy sweater of soft white hair that completely covers its body, giving it an almost cuddly appearance despite being a cactus. When happy, it forms a crown of bright pink flowers that create a stunning contrast against its fuzzy white coat.

Care & maintenance

Light

Bright indirect light

Bright light, usually located near windows but doesn't receive direct rays for more than an hour during the day.

Temperature

Wide range (41°F - 95°F)

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

Small

Upright

Slow growth

This plant grows slowly. It can reach up to 12 inches in height or spread.

It grows upwards without support.

Toxicity

Toxicity table by species
Cat
Dog
Human
mammillaria hahniana thumbnail
mammillaria hahniana thumbnail
mammillaria hahniana thumbnail
mammillaria hahniana thumbnail

Reproduction & propagation

Fruits & flowers

Flowering & not self-pollinating

The mammillaria hahniana 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.

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