Sagina subulata

Irish Moss

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Low-growing perennial forming dense green mats with needle-like leaves; ideal for rock gardens or terrariums.
yard Outdoor plants wb_sunny Half-shade / Sun pets Pet Friendly
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Plant Details

Common Name Irish Moss
Family Caryophyllaceae
Genus Sagina
Species Subulata
Origin Europe, Asia
Blooming Small white star-shaped flowers in late spring
Leaf Color Deep emerald green
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Moist, well-draining loam or peat mix; prefers slightly acidic to neutral pH

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Watering

Keep soil consistently moist but not waterlogged; drought tolerance is moderate once established

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Sunlight & Care

Full sun for best growth, tolerates partial shade especially in hot climates

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Fertilization

Minimal needs; apply diluted balanced fertilizer monthly during active growing season

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Pruning

Trim regularly to maintain mat shape and remove dead foliage

Pest Control Aphid Fungus Gnat Slug Snail

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
23° – 86°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 90%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
1000 – 50000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
50 – 2000
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
20% – 70%
% 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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