Gladioli Alexander the Great

Sword Lily

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Vibrant summer-blooming cormous plant featuring tall spikes of deep red-orange flowers with yellow throats. Known for striking color contrast and architectural height in gardens.
yard Outdoor plants wb_sunny Sun pets Not pet-safe
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Plant Details

Common Name Sword Lily
Family Iridaceae
Genus Gladiolus
Species Hybrid
Variety Alexander the Great
Origin South Africa / Hybrid
Blooming Summer flowering, cut flower crop
Leaf Color Blue-green
Sunlight Sun
Category Outdoor plants
Pet Friendly close No
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Care & Maintenance

terrain
Soil

Well-drained, loamy soil rich in organic matter. Avoid waterlogging.

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Watering

Regular watering during growth and flowering, reduce after foliage dies back.

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Sunlight & Care

Full sun exposure required for strong stems and vibrant blooms.

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Fertilization

High potassium feed at planting, balanced fertilizer during growth.

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Pruning

Cut spent flower spikes to encourage energy return to corms. Lift corms in cold climates for winter storage.

Pest Control Aphid Mite Slug 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
agriculture Harvesting Period 2 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 7 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
54° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 75%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
6000 – 35000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1500 – 2800
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
30% – 70%
% volumetric
Water content in the growing medium
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Soil EC
250 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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