Gladiolus Helena

Gladiolus 'Helena'

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Tall spikes with vibrant funnel-shaped blooms. Sword-like leaves emerge from bulbous corms. Popular cut flower requiring full sun, well-drained soil, and cool dry dormancy after flowering.
yard Outdoor plants wb_sunny Sun pets Not pet-safe
info

Plant Details

Common Name Gladiolus 'Helena'
Family Iridaceae
Genus Gladiolus
Species Hybrid
Variety Helena
Origin South Africa (Hybrid)
Blooming Tall spikes of flowers in summer, often red or pink
Leaf Color Green (glaucous)
Sunlight Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Loamy soil rich in organic matter, well-drained to prevent corm rot

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Watering

Regular watering during growth phase, reduce significantly after flowering as corms mature

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Sunlight & Care

Requires full sun exposure for strong stems and vibrant coloration

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Fertilization

Apply balanced fertilizer at planting and bi-weekly during active growth in summer

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Pruning

Cut flower spikes early morning. Allow foliage to die back naturally before winter storage

Pest Control Aphid 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
eco Leaf Persistence 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
50° – 90°
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)
8000 – 35000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
2500 – 4000
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
20% – 60%
% volumetric
Water content in the growing medium
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Soil EC
350 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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