Astrophytum asterias

Sand Dollar Cactus

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A spherical cactus native to Mexico featuring a geometric star shape and white woolly spots on grey-green skin. It blooms vibrantly in late spring.
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 - Out of Stock $17.99 Buy
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Plant Details

Common Name Sand Dollar Cactus
Family Cactaceae
Genus Astrophytum
Species Asterias
Origin Mexico
Blooming Late spring to summer, yellow or white flowers
Leaf Color Grey-green epidermis with white spots
Sunlight Sun
Category Succulents plants
Pet Friendly close No
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Care & Maintenance

terrain
Soil

Cactus mix with high mineral content: coarse sand, perlite, pumice for excellent drainage

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Watering

Water only when soil is completely dry. Reduce drastically in winter dormancy to prevent root rot

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Sunlight & Care

Requires full sun exposure to maintain shape and color; provide shade during extreme midday heat in summer

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Fertilization

Dilute cactus fertilizer monthly during active growth (Spring/Summer), cease application in autumn and winter

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Pruning

Remove dead tissue or infected sections with sterilized tools immediately

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
50° – 100°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
30% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
2500 – 60000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
2 – 60
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
10% – 25%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

Something wrong with your Astrophytum asterias? Select a symptom to diagnose and fix the issue.

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