Chamaecereus silvestrii

Firecracker Cactus

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Small cylindrical cactus native to Argentina, produces vibrant red flowers in winter when exposed to cool temperatures and bright light.
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 5-6 in Out of Stock $50.00 Buy
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Plant Details

Common Name Firecracker Cactus
Family Cactaceae
Genus Chamaecereus
Species Silvestrii
Origin Argentina
Blooming Winter to early spring, bright red tubular flowers
Leaf Color Green / Grey-green
Sunlight Sun
Category Succulents plants
Pet Friendly close No
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Care & Maintenance

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Soil

Cactus mix with high perlite and pumice for drainage

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Watering

Water moderately during spring-summer growth, keep bone dry during winter dormancy to prevent rot

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Sunlight & Care

Full sun exposure required for flowering, avoid scorching in peak summer heat if indoors

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Fertilization

Apply diluted cactus fertilizer monthly during active growing season only

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Pruning

Remove dead or damaged stems with sterile tools to prevent infection

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 4 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
41° – 90°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
10% – 40%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
3000 – 60000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
2000 – 5000
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
5% – 30%
% volumetric
Water content in the growing medium
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Soil EC
200 – 2500
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

Something wrong with your Chamaecereus silvestrii? Select a symptom to diagnose and fix the issue.

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