Gladiolus Belladonna

Belladonna Gladiolus, Summer Sword Lily

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Elegant cormous perennial producing tall spikes of vibrant pink trumpet-shaped flowers during mid-summer. Requires full sun and a distinct dormancy period for bulb recovery.
yard Outdoor plants wb_sunny Sun pets Not pet-safe
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Plant Details

Common Name Belladonna Gladiolus, Summer Sword Lily
Family Iridaceae
Genus Gladiolus
Species Gladiolus Bellula
Variety Belladonna
Origin South Africa
Blooming Mid-summer to early autumn, tall flower spikes
Leaf Color Bright green, sword-like foliage
Sunlight Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Rich, well-drained loamy soil or potting mix with coarse sand; avoid waterlogging.

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Watering

Water regularly during growth phase. Reduce watering after flowering to induce dormancy; keep dry in winter storage.

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Sunlight & Care

Full sun exposure required for strong stems and vibrant blooms; minimal shade tolerated in very hot climates.

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Fertilization

Apply balanced liquid fertilizer every two weeks during active growth, switch to high phosphorus for bloom initiation.

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Pruning

Remove spent flower spikes and yellowing leaves promptly to direct energy back into the corm.

Pest Control Aphid Bulb Mite 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
41° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
1000 – 30000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
25 – 60
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
20% – 65%
% 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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