Hyacinthus orientalis Delft Blue

Delft Blue Hyacinth

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Aromatic bulbous perennial producing dense spikes of deep blue bell-shaped flowers in early spring. Popular for indoor winter forcing.
yard Outdoor plants wb_sunny Half-shade / Sun pets Not pet-safe
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Plant Details

Common Name Delft Blue Hyacinth
Family Asparagaceae
Genus Hyacinthus
Species Orientalis
Variety Delft Blue
Origin Mediterranean / Netherlands
Blooming Spring, often forced indoors in winter
Leaf Color Dark green strap-like leaves
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-draining potting mix with perlite or coarse sand for bulbs

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Watering

Keep soil moist during active growth, reduce watering after flowering to allow dormancy. Avoid wetting bulb directly.

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Sunlight & Care

Bright light during growth and flowering; cool dark period initially for forcing bulbs

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Fertilization

Apply balanced liquid fertilizer every 2 weeks while leaves are growing, stop after blooms fade

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Pruning

Cut flower stalk after blooming; remove yellowing leaves once foliage dies back naturally

Pest Control Aphid Bulb Mite Scale Insect 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
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Growing Parameters

thermostat
Temperature
48° – 75°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
30% – 75%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
1000 – 20000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
500 – 3000
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
20% – 60%
% volumetric
Water content in the growing medium
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Soil EC
400 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

Something wrong with your Hyacinthus orientalis Delft Blue? Select a symptom to diagnose and fix the issue.

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