Gladiolus Internet

Sword Lily

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Corm-based perennial producing tall spikes of funnel-shaped flowers in vibrant colors. Prized as cut flower, requires full sun for optimal growth.
yard Outdoor plants wb_sunny Sun pets Not pet-safe
info

Plant Details

Common Name Sword Lily
Family Iritaceae
Genus Gladiolus
Species Hybridus
Variety Internet
Origin South Africa / Mediterranean Basin
Blooming Summer to early autumn blooms on tall spikes
Leaf Color Blue-green, sword-shaped
Sunlight Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-drained, fertile loamy soil. Avoid waterlogged conditions to prevent corm rot.

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Watering

Keep soil consistently moist during growth; reduce watering after foliage yellows to allow dormancy

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Sunlight & Care

Full sun required for strong stems and vibrant coloration during growing season

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Fertilization

Apply balanced fertilizer at planting, switch to high phosphorus when flower spikes emerge

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Pruning

Cut spent flower spikes immediately; remove dead foliage in late autumn before corm storage

Pest Control Aphid Slug Snail 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 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
45° – 90°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 80%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
10000 – 60000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1500 – 4000
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
25% – 65%
% 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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