Fairy Castle Cactus Growing in Garden Planter

Fairy Castle Cactus

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$24.99
  • Low Maintenance
  • Light Preference/Tolerated (Bright Direct Light, Bright Indirect Light)
  • Indoor Cactus Potting Soil
  • Mature Height 6 feet

Fairy Castle Cactus has a distinctive triangle or 5-sided shape and is a member of the night-blooming Cereus family. This cactus is also known as Triangle or Barbed wire Cactus, and by the scientific name Acanthocereus tetragonus. The multiple stems of this cactus grow at different rates, giving the overall appearance of a castle with turrets and towers. Fairy Castle rarely blooms when it is grown indoors and only after it is ten years or older. 

Best Locations For Growing Fairy Castle Cactus

This slow-growing cactus will take many years to reach its full height of 6 or more feet. Place the pot in a location where it will not be subjected to drafts from doors and windows or air from a furnace vent. Place this spiny cactus in a spot where no children or pets may brush up against it or be able to touch the sharp needles. 

Fairy Castle Cactus Sunlight Requirements

Direct sun from a south- or southwest-facing window is ideal. Make sure this cactus receives 6 hours of bright light. If the stems are stretched out and yellowing and lose their deep green color, the cactus is not receiving enough light. Growing Fairy castle under a full spectrum grow light will reverse the damage. It is normal for this cactus to develop woody or corky areas on the oldest stems. 

Fairy Castle Cactus Care

An unglazed terracotta pot and free-draining cactus soil are perfect for growing this cactus. Either buy or make your own cactus potting blend. To make your own, add one part potting soil to one part sharp sand and one part perlite. This mix will hold the correct amount of moisture while allowing for good drainage. Check that the bottom of the container has sufficient drainage holes. All cacti slow their growth in winter and will require minimal care during this time. Just remember to keep the plant away from drafts and cold windows. 

Watering Fairy Castle Cactus

In their native habitats, cacti rely on seasonal downpours to get all of the moisture they need. Water your cactus by either drenching the soil with a watering can and letting the excess drain into a saucer or immersing the whole pot in a sink of room-temperature water.  The soil will soak up all the moisture it can hold, and then you can place the pot on a saucer to drain the excess water. Discard any standing water in the saucer after 10 minutes. Let the Fairy Castle Cactus dry fully before watering again. 

Feeding Fairy Castle Cactus

Once a year in the spring, apply a liquid cactus fertilizer. Apply at the time of watering and use it at half the strength recommended on the label.

Fairy Castle Cactus Information

Light Exposure: Bright Direct Light, Bright Indirect Light
Care Requirements: Easy
Watering Requirements: Below Average - Let the soil dry completely, then, water deeply.
Pet Friendly: No
Kid Friendly: No
Air Purifier: Moderate
Habit: Upright
Growth Rate: Slow
Mature Height: 6 feet
Mature Spread: 3 feet
Flowering: Yes
Flower Color(s): White, Yellow
Flower Shade/Description: White or Yellow
Fragrant:
Foliage Type:
Foliage Color(s): Green
Foliage Description: Green Spines
Temperature: 64° - 79°F (18° - 26°C)
Humidity: Average (40% - 60%)
Common Name: Fairy Castle Cactus
Other Name(s): Fairy Castle Cactus
Scientific Name: Acanthocereus Tetragonus
Plant Type: House Plant
SKU:
Succ_Cactus_Fairy.Castle-HP

Container Sizes

Please Note: The pictures below are to give a general representation of the different container sizes. The actual size/ages of plants are estimates and will vary based on; type of plant, time of year, last pruning & many other factors.

4.5 Pot

4.5" Pot
 Also Know As:
   4.5" Container

 Plant Age:
   ~ 6 months
 Plant Size:
   ~ 3"-6"
 Pot Size:
   ~ 4.5"H x 3.75"W
 Volume:
   1.42 quarts

Quart Pot

Quart Pot
 Also Know As:
   Quart

 Plant Age:
   ~ 6 months - 1 year
 Plant Size:
   ~ 4"-8"
 Pot Size:
   ~ 4.75"H x 4.5"W
 Volume:
   1.50 quarts

2.5 Quart

2.5 Quart
 Also Know As:
   2.5 Quart Pot

 Plant Age:
   ~ 1.5 - 2 years old
 Plant Size:
   ~ 8"-12"
 Pot Size:
   ~ 6.5"H x 6.5"W
 Volume:
   2.20-2.30 quarts

#1 Pot

#1 Pot
 Also Know As:
   #1 Container
    1 Gallon
 Plant Age:
   ~ 1.5 - 2 years old
 Plant Size:
   ~ 10"-14"
 Pot Size:
   ~ 7"H x 7.75"W
 Volume:
   2.26-3.73 quarts

#2 Pot

#2 Pot
 Also Know As:
   #2 Container
    2 Gallon
 Plant Age:
   ~ 1.5 - 3 years old
 Plant Size:
   ~ 12"-18"
 Pot Size:
   ~ 9.5"H x 9.5"W
 Volume:
   1.19-1.76 gallons

#3 Pot

#3 Pot
 Also Know As:
   #3 Container
    3 Gallon
 Plant Age:
   ~ 2 - 4 years old
 Plant Size:
   ~ 12"-30"
 Pot Size:
   ~9.5"H x 11"W
 Volume:
   2.32-2.76 gallons


For more detailed information, please click here.

Plant Addict Guarantee (Included On All Plant Orders)

Plant Addicts guarantees your plant(s) will arrive happy and healthy, but the plant(s) are being shipped through the mail and accidents happen. If the plant is dead, has dried out roots or the incorrect item was shipped just notify Plant Addicts within 3 days upon delivery. We may ask for pictures but will try to make it as easy as possible for you. Please note plant(s) with damaged branches or wilted leaves will not qualify for this guarantee. Plants are very resilient and will rebound quickly when cared for correctly.

For information on how to care for you new plant please check out our guide. Guide: How to Care for Your New Plant(s)

Plant Addicts Warranty - 1 Year (Extra Purchase Required)

We encourage all plant lovers to purchase the Plant Addicts Warranty whether you’re new or an expert. There are many variables outside our control and yours that can cause the demise of your plant(s). Examples would be hungry animals, drought, poor soil conditions, over watering, disease, insects & many other factors. The Plant Addicts Warranty is a 1 year warranty protecting you from all the unknowns and will replace your plant if it moves on to the plant afterlife.

The warranty is purchased on a per plant basis and must be purchased at the same time as the plant purchase. We will cover 100% of the price of the plant but the warranty does not cover shipping cost. Simply let us know if your plant has died within one year of receiving it and we’ll get you a new one shipped out. We may ask for photos for documentation purposes but again we’ll try to make it as easy as possible.

For more information, please go to our Shipping & Returns page at the bottom of the website.

Guide: How to Care for Your New Plant(s)

Planter Shipping

Standard Colors: 2-3 business days

Special Order Colors: 8 weeks - this is due to the planter being custom made with the color(s) of your choice

Please Note: On special orders there can not be any cancellations

Plant Shipping

Time of Order:

Summer Shipping

  • If there is extreme heat we’ll delay shipping.  
    • We’ll have to review what areas the plants are traveling through along with your location


Once your plant is shipped you’ll receive an email with tracking information. Depending on the above criteria we’ll ship your plant(s) towards beginning of the following week from your order. We put together this helpful guide of what to do when you receive your plants in the mail.

It is important to know that all of our plants are clearly labeled for which growing zones the plant can survive in. The plants are thoroughly trialed and tested in every growing zone before we state the plant can grow in a zone. Again, our #1 priority is to ship the plants to you healthy and ready to thrive in your location. So we will do everything in our power to do so.