Gymnocalycium horstii

Horst's Gymnocalycium

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Small spherical cactus with a flattened body, native to South America, featuring striking spines and occasional vibrant flowers in spring.
yard Succulents plants wb_sunny Half-shade / 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 - In Stock $10.27 Buy
Merchant Pot Size Availability Price
Amazon.com 1-2 in In Stock $6.99 Buy
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Plant Details

Common Name Horst's Gymnocalycium
Family Cactaceae
Genus Gymnocalycium
Species Horstii
Origin Argentina / Paraguay
Blooming Produces pink or red flowers in spring from the apex.
Leaf Color Dark green to reddish-brown (varies with light)
Sunlight Half-shade / Sun
Category Succulents plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Cactus mix with high mineral content, pumice, and perlite for drainage

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Watering

Water thoroughly only when soil is completely dry, reduce drastically in winter dormancy

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Sunlight & Care

Requires full sun to bright indirect light; avoid scorching in peak summer heat indoors

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Fertilization

Apply diluted cactus fertilizer monthly during growing season (Spring/Summer)

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Pruning

Remove dead spines or rot; avoid damaging healthy tissue

Pest Control Mealybug Scale Insect Spider Mite Thrip

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 2 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
30% – 60%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
5000 – 35000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1200 – 2800
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
5% – 15%
% volumetric
Water content in the growing medium
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Soil EC
200 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

Something wrong with your Gymnocalycium horstii? Select a symptom to diagnose and fix the issue.

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