Position

Sun exposure:
Full sun
Aspect:
South facing, west facing

Soil

Well Drained / Light / Sandy

Mammillaria is a genus of spiny cacti native to the desert regions of Central America, particularly Mexico. Plants usually form clusters of spherical or columnar stems, and bear funnel-shaped flowers.

Known as the old lady cactus, Mammillaria hahniana forms globe-shaped stems covered in fine white spines and white down, from which a circle of pretty pink flowers appears in spring. It’s the perfect cactus for beginners and makes a fine addition to any cactus collection.

For best results grow Mammillaria hahniana in cactus compost in containers in full sun. Water from mid-spring to summer only, and feed once a month with a special cactus fertiliser. Like all cacti growing in a temperate climate, it’s best grown as a houseplant but containers may be moved to a sunny, sheltered patio in midsummer.

Plant calendar

JanFebMarAprMayJunJulAugSepOctNovDec
Sowyesyesyesyesyesyesyesyesyesyesyes
Plantyesyesyesyesyesyesyesyesyesyesyes
Flowersyesyes

Mammillaria and wildlife

Mammillaria has no particular known value to wildlife in the UK.

Is Mammillaria poisonous?

Mammillaria has no toxic effects reported.

No reported toxicity to:
Is not known to attract Birds
Birds
Is not known to attract Cats
Cats
Is not known to attract Dogs
Dogs
Is not known to attract Horses
Horses
Is not known to attract Livestock
Livestock
Is not known to attract People
People
Plants that go well with Mammillaria hahniana
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