Plant Care Cereus Tetragonus

Cereus Tetragonus

4.9 out of 5 (24 experiences)

Cereus Tetragonus has a Survivor plant personality Survivor
Cereus Tetragonus has a Fast grower plant personality Fast grower

Also known as

Fairy Castle Cactus, Fairy Castle Cactus and Cereus tetragonus


Acanthocereus tetragonus 'Fairy Castle'

How to care for Cereus Tetragonus


How often to water your Cereus Tetragonus

Water needs for Cereus Tetragonus
0.5 cups
every 12

Cereus Tetragonus 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.

Calculate water needs of Cereus Tetragonus

Water 0.5 cups every

Does your plant get direct sunlight?

Select the pot size


Check the growing potential in your area

A plant's growing potential is determined from its location, the time of year, and current local weather.

Select a city to check sunlight intensity

Finding light for Fairy Castle Cactus in your home

Light needs and placement for plant Cereus Tetragonus: 1ft from a window
1ft or less from
a window

Cereus Tetragonus love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to maximize the potential for growth.

Cereus Tetragonus does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of Cereus Tetragonus in your home 🏡.


How to fertilize Cereus Tetragonus

Nutrient, fertilizer, and repotting needs for Cereus Tetragonus: repot after 2X growth

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 Cereus Tetragonus after it doubles in size or once a year—whichever comes first.

Water Needs
Sunlight Needs

Care Summary for Cereus Tetragonus

Cereus Tetragonus

Cereus Tetragonus

Greg recommends:


0.5 cups every 12 days


< 1ft from a window


Repot after 2x growth

Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.

What other plant parents say

Cereus Tetragonus has a Survivor plant personality Survivor 17
Cereus Tetragonus has a Fast grower plant personality Fast grower 5
Cereus Tetragonus has a Large, lush leaves plant personality Large, lush leaves 2
Cereus Tetragonus has a Easy to propagate plant personality Easy to propagate 2
Cereus Tetragonus has a Pet friendly plant personality Pet friendly 2
Isb avatar
leaf-1 31 Plants
xp 1,006 XP

Sturdy plant!!

Survivor Survivor
Pearlybird avatar
leaf-1 5 Plants
xp 159 XP
globe Rochester, New York

Bro. Look at it. Masterpiece

W0rmslut avatar
leaf-1 4 Plants
xp 86 XP
globe Phoenix, Arizona


Survivor Survivor
Easy to propagate Easy to propagate
No_thumbs avatar
leaf-1 4 Plants
xp 95 XP
globe South Kingstown, Rhode Island

very hardy, low maintenance, and fast growing

Fast grower Fast grower
Pet friendly Pet friendly
Survivor Survivor
El1se avatar
leaf-1 5 Plants
xp 104 XP
globe Rye, England

Hardy little thing, had for years :)

Survivor Survivor
Rachel avatar
leaf-1 0 Plants
xp 114 XP

Very hearty plant that is very pleasing to the eye. Survives very well in harsh conditions.

Survivor Survivor
Cactusmomma avatar
leaf-1 13 Plants
xp 719 XP
globe Zurich, Ontario

My favourite type of cactus. Very hardy and easy to care for if you’re experienced with other succs and cacti

Lunarlea avatar
leaf-1 45 Plants
xp 1,621 XP
globe Denver, Colorado

The fairy castle cactus is just so magical and love bright direct sunlight!

Fast grower Fast grower
Large, lush leaves Large, lush leaves
Survivor Survivor

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