![Mammilaria elongata Cristata - Brain Cactus Ø8.5cm 15cm](http://www.mossandfern.shop/cdn/shop/files/Mammilaria-elongata-Cristata-Edinburgh-plant-shop_{width}x.jpg?v=1711457179)
Care
Light
Prefers direct sun to do well, a south facing window is ideal
Water
Allow plant to dry out, then water thoroughly
Temperature
16-24°C
Humidity
Happy in normal household humidity
Fertiliser
Fertilise once a month during growing seasons
Toxicity
Non-toxic, but spikey!