Blue Torch Cactus
Taxonomy
Ritterocereus pruinosus
Ritterocereus
Cactaceae
Caryophyllales
How to care for Blue Torch Cactus
How often to water your Blue Torch Cactus
every 12
Blue Torch Cactus needs 0.5 cups of water every 12 when it doesn’t get direct sunlight and is potted in a 5" pot.
Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.
Water 0.5 cups every
12
Finding light for Blue Torch Cactus in your home
a window
Blue Torch Cactus love being close to bright, sunny windows 😎.
Place it less than 1ft from a south-facing window to maximize the potential for growth.
Blue Torch Cactus does not tolerate low-light 🚫.
Select your region to see how the current weather in your area affects the placement of Blue Torch Cactus in your home 🏡.
How to fertilize Blue Torch Cactus
Most potting soils come with ample nutrients which plants use to produce new growth.
By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.
To replenish this plant's nutrients, repot your Blue Torch Cactus after it doubles in size or once a year—whichever comes first.
Care Summary for Blue Torch Cactus
Blue Torch Cactus
Greg recommends:
Water
0.5 cups every 12 days
Placement
< 1ft from a window
Nutrients
Repot after 2x growth
Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.