Acanthocereus tetragonus Fairy Castles

Fairy Castles, Candelabra Cactus

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Columnar cactus with segmented green stems resembling castle towers. Produces large white nocturnal flowers and red fruit.
yard Succulents plants wb_sunny Sun pets Not pet-safe
info Pot sizes shown are estimations. Real dimensions may vary depending on the merchant.
Merchant Pot Size Availability Price
Amazon.com 1-2 in In Stock $17.99 Buy
Merchant Pot Size Availability Price
Amazon.com 3-4 in Out of Stock - Buy
Amazon.com 3-4 in In Stock $24.99 Buy
Merchant Pot Size Availability Price
Amazon.com 7-8 in Out of Stock - Buy
info

Plant Details

Common Name Fairy Castles, Candelabra Cactus
Family Cactaceae
Genus Acanthocereus
Species Tetragonus
Variety Fairy Castles
Origin Caribbean, Florida
Blooming Large white flowers bloom at night in summer.
Leaf Color Grey-green to deep green stems
Sunlight Sun
Category Succulents plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Cactus mix with high sand/grit content for drainage. pH 6.0-7.5.

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Watering

Allow soil to dry completely between waterings. Reduce significantly in winter dormancy to prevent rot.

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Sunlight & Care

Requires full sun exposure, avoid scorching in extreme heat but needs direct light.

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Fertilization

Apply balanced cactus fertilizer monthly during growing season (spring-summer).

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Pruning

Prune dead segments only, wear gloves due to sharp spines and glochids.

Pest Control Mealybug Scale Insect Spider Mite

These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.

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Seasonal Periods

local_florist Flowering Period 3 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
50° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
20% – 60%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
3000 – 45000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
800 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
10% – 30%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1500
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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