Mammillaria SP Grafted Large white Blooming time: Summer

Blooming time: Summer

also known as Pachycereus schottii monstrosus

so it’s always safer to underwater than to overwater

But it can tolerate temperatures down to 5° C (or even 0° C) for very short periods if very dry and ventilated

Mammillaria SP Grafted Large white Blooming time: SummerThis is a really nice grafted mammillaria measuring around 6 to 7 incheas long is sold grafted onto stem of Hylocereus. It needs a well draining potting mix. Water thoroughly and let the soil dry at least halfway down the pot before watering again. In winter, decrease or withhold water. Some of the information in this description has been found at desert tropicals. com, llifle. com and cactus art. biz