Hyacinthus orientalis Ostara

White Hyacinth

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Fragrant spring-blooming bulb with dense spikes of white flowers. Requires a cool period for flowering; popular as a forced indoor plant or garden perennial in temperate zones.
yard Outdoor plants wb_sunny Half-shade / Sun pets Not pet-safe
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Plant Details

Common Name White Hyacinth
Family Asparagaceae
Genus Hyacinthus
Species Orientalis
Variety Ostara
Origin Turkey, Syria
Blooming Spring bulbs, blooms in early spring when forced indoors or planted outdoors.
Leaf Color Glaucous green basal leaves
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly close No
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Care & Maintenance

terrain
Soil

Well-draining sandy loam or bulb compost with pH 6.0-7.0

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Watering

Water regularly while growing and flowering. Reduce after flowering, allow soil to dry completely during summer dormancy.

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Sunlight & Care

Full sun outdoors, bright indirect light indoors for forcing. Avoid direct scorching summer heat during dormancy.

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Fertilization

Apply bulb fertilizer at planting time, liquid feed weekly during active growth phase in spring.

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Pruning

Cut flower stems after blooming, remove yellowing leaves only when they turn fully brown.

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 3 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° – 86°
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)
1000 – 12000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1000 – 2500
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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