Mammillaria hahniana

Mammillaria hahniana

Mammillaria hahniana, commonly known as old lady pincushion or birthday cake cactus, is a species of flowering plant in the Cactaceae family. The plant forms a white hairy ball and has a fleshy globose stem with conical tubercles. It is covered with white hair-like bristles, 20 to 30 radial pectinate spines and 1 to 4 central short spines. This cactus produces a complete ring of reddish-pink flowers and a red fruit with brown seeds.


Common NameOld Lady Pincushion/ Birthday Cake Cactus
Botanical nameMammillaria hahniana
Life CyclePerennial
Basic ColourPink – Red
Height15 -> 20 cm
HabitatSteep slopes, Mountains
Altitude700 – 2200 m
Bloom TimeMay -> June
Plant TypeCactus, Succulent, Ornamental
Fruit TypeBerry
different tolerancesDrought tolerant
Used PartsWhole plant
Plant UsesOrnamental
Active substancesNo active substances known
USDA Zone10 (-1), 11 (+4), 12 (+10)
Sun Exposurefull sun, light shade
Soil pHNeutral
Soil MoistureDry
Soil Type Sandy, Stony
Propagationby seeds / by sowing,
by Cuttings, by division, Self sows
Germinationtell us
Pests/ DiseasesMealybugs, red
spiders, nematodes

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