Delphinium Centurion F1 Gentian Blue

Centurion Delphinium

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Tall herbaceous perennial featuring striking spikes of deep gentian blue flowers, widely cultivated as a cut flower and garden border plant in temperate zones.
yard Outdoor plants wb_sunny Sun pets Not pet-safe
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Plant Details

Common Name Centurion Delphinium
Family Ranunculaceae
Genus Delphinium
Species Elatum
Variety Centurion F1 Gentian Blue
Origin Cultivated Hybrid (Netherlands)
Blooming Summer to early autumn, spikes rise above foliage
Leaf Color Grey-green / Glaucous blue-green
Sunlight Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

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Soil

Rich, well-draining loam with neutral to slightly alkaline pH. Amend with compost and grit.

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Watering

Keep soil consistently moist during growth; avoid waterlogging at roots. Reduce watering after flowering.

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Sunlight & Care

Requires full sun exposure (6+ hours daily) for strong stems and vibrant coloration.

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Fertilization

Feed every 2 weeks with balanced liquid fertilizer during active growth; high potassium before blooming.

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Pruning

Deadhead spent blooms to encourage rebloom. Stake tall spikes against wind. Cut back hard in late autumn.

Pest Control Aphid Caterpillar Slug Snail Spider Mite

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 5 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 6 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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Growing Parameters

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Temperature
41° – 82°
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)
20000 – 40000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
15 – 30
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
30% – 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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Common Problems

Something wrong with your Delphinium Centurion F1 Gentian Blue? Select a symptom to diagnose and fix the issue.

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