Mammillaria Pilcayensis Cristata
  Light requirements High Water requirements Low Ease of care Easy Size Medium Toxicity Non-toxic Zone 9a to 10b Temperature resistance Mildly frost-hardy Growth speed Slow Indoor growing Suitable   Taking Care Of Mammillaria Pilcayensis Cristata Ideal conditions Mammillaria Pilcayensis Cristata is a great outdoor cactus thanks to its cold-resistance. Not that you should keep this cactus outdoors in winter, but it can survive temperatures down to 20 degrees Fahrenheit (-6.6 degrees C) if kept dry. Indoor keeping is also possible with...
Austrocephalocereus Estevesii
  Light requirements High Water requirements Low Ease of care Easy Size Very large Toxicity Non-toxic Zone 10a Temperature resistance Not frost-hardy Growth speed Medium Indoor growing Suitable when young   Taking Care Of Austrocephalocereus Estevesii Ideal conditions Austrocephalocereus Estevesii should be grown outdoors for two reasons – it requires partial to full sunlight to thrive, and it also grows up to 6 feet tall, though some cacti may grow even more. Situated in the USDA hardiness zone 10a (30 to 35...
Mammillaria Rhodanth
  Light requirements Medium Water requirements Low Ease of care Easy Size Medium Toxicity Non-toxic Zone 9a to 10b Temperature resistance A little frost-hardy Growth speed Medium Indoor growing Suitable   Taking Care Of Mammillaria Rhodantha Ideal conditions Doing well in partial sun and in shaded locations, Mammillaria Rhodantha is fairly easy to grow both outdoors and indoors. However, the more light it gets, the better, so Mammillaria Rhodantha will thrive if kept outdoors. And being somewhat cold-hardy (down to 20...
Mammillaria Schwarzii
  Light requirements High Water requirements Low Ease of care Easy Size Small Toxicity Non-toxic Zone 9b to 10b Temperature resistance A little frost-hardy Growth speed Slow Indoor growing Suitable   Taking Care Of Mammillaria Schwarzii Ideal conditions Mammillaria Schwarzii is a typical succulent – it requires little water, needs warm temperatures, and prefers direct exposure to the sun. This cactus is a little frost-hardy as well (down to 25 degrees Fahrenheit/-3.8 degrees Celsius), but it shouldn’t be exposed to low...
Mammillaria Marksiana
  Light requirements High Water requirements Low Ease of care Easy Size Medium Toxicity Non-toxic Zone 9b to 11b Temperature resistance A little cold-hardy Growth speed Slow Indoor growing Suitable   Taking Care Of Mammillaria Marksiana Ideal conditions The ideal conditions for Mammillaria Marksiana are typical for a succulent – this cactus loves full sun, requires very little water, and does best in warm temperatures. Mammillaria Marksiana is a little frost-hardy (down to 25 degrees F/-3.9 degrees C), but it shouldn’t...
Echinocereus Subinermis
  Light requirements Medium Water requirements Low Ease of care Easy Size Medium Toxicity Non-toxic Zone 9b to 11b Temperature resistance A little frost-hardy Growth speed Slow Indoor growing Suitable   Taking Care Of Echinocereus Subinermis Ideal conditions Echinocereus Subinermis prefers bright light, but it doesn’t tolerate full sun very well, especially on hot days. With this in mind, the Echinocereus Subinermis cactus can be easily grown both indoors and outdoors. Temperature-wise, Echinocereus Subinermis is similar to many other succulents – it’s...
Echinocereus Rigidissimus Rubrispinus
  Light requirements High Water requirements Low Ease of care Easy Size Medium Toxicity Non-toxic Zone 9a to 11b Temperature resistance Mildly frost-hardy Growth speed Slow Indoor growing Suitable   Taking Care Of Echinocereus Rigidissimus Rubrispinus “Rainbow Hedgehog Cactus” Ideal conditions Echinocereus Rigidissimus Rubrispinus “Rainbow Hedgehog Cactus” grows the best outdoors since it requires plenty of light. In fact, surviving in temperatures down to 20 degrees F (-6.7 degrees C), the Rainbow Hedgehog Cactus is also quite frost-hardy, so it should...
Mammillaria Bombycina
  Light requirements High Water requirements Low Ease of care Easy Size Large Toxicity Non-toxic Zone 9a to 11b Temperature resistance Mildly frost-hardy Growth speed Medium Indoor growing Suitable   Taking Care Of Mammillaria Bombycina "Silken Pincushion" Ideal conditions Like many cacti, Mammillaria Bombycina "Silken Pincushion" thrives outdoors due to its high light needs. Outdoors is where access to sunlight is the easiest for the cactus. Growing the Silken Pincushion cactus indoors is possible as well. But if you want this cactus...
Espostoa Melanostele
  Light requirements High Water requirements Low Ease of care Easy Size Very large Toxicity Non-toxic Zone 9a to 9b Temperature resistance Mildly frost-hardy Growth speed Medium Indoor growing Suitable when young   Taking Care Of Espostoa Melanostele “Peruvian Old Lady” Ideal conditions Espostoa Melanostele “Peruvian Old Lady” is ideally grown in the ground rather than potted. Growing fairly rapidly, the Peruvian Old Lady can quickly outgrow its pot and become bound by it, which will slow down its growth. Ground growing...
Ferocactus Glaucescens
  Light requirements High Water requirements Low Ease of care Easy Size Large Toxicity Non-toxic Zone 9b to 11b Temperature resistance Mildly frost-hardy Growth speed Slow Indoor growing Suitable   Taking Care Of Ferocactus Glaucescens “Blue Barrel Cactus” Ideal conditions Reaching 18 inches in diameter and over 1 foot in height, Ferocactus Glaucescens “Blue Barrel Cactus” is perhaps the best to keep outdoors for unimpeded growth. What also makes outdoors an optimal location for this cactus is its high light requirements. The...