Portulaca grandiflora

Moss Rose, Purslane

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Succulent annual with vibrant cup-shaped flowers that open in bright sun and close at night; features fleshy, needle-like leaves.
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Plant Details

Common Name Moss Rose, Purslane
Family Portulacaceae
Genus Portulaca
Species Grandiflora
Origin South America (Brazil/Argentina)
Blooming Summer to Autumn; blooms in sunlight
Leaf Color Green, Reddish-green
Sunlight Sun
Category Succulents plants
Pet Friendly check Yes
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Care & Maintenance

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Soil

Well-draining sandy or gritty soil mix; low fertility preferred for best blooms

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Watering

Drought tolerant, allow soil to dry between waterings; overwatering causes root rot

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Sunlight & Care

Full sun required for optimal flowering; flowers close in shade or cloudy weather

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Fertilization

Low nutrient needs, diluted fertilizer monthly during growing season only

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Pruning

Deadhead spent blooms to encourage continuous flowering; trim leggy growth in spring

Pest Control Aphid Mealybug Slug 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 5 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
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Growing Parameters

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Temperature
50° – 104°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
20% – 70%
% 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)
1200 – 5000
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
10% – 45%
% 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 Portulaca grandiflora? Select a symptom to diagnose and fix the issue.

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