Cynoglossum amabile

Chinese Bluebell

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Annual herbaceous plant featuring hairy grey-green leaves and vibrant bell-shaped blue flowers, native to East Asia.
yard Outdoor plants wb_sunny Shade / Half-shade pets Not pet-safe
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Plant Details

Common Name Chinese Bluebell
Family Boraginaceae
Genus Cynoglossum
Species Amabile
Origin China / Japan
Blooming Spring to early summer, sometimes autumn in mild climates
Leaf Color Grey-green to dark green
Sunlight Shade / Half-shade
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-drained fertile loam with good aeration and moderate pH (6.0-7.5)

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Watering

Moderate watering during growth phase; allow soil surface to dry slightly between waterings; avoid waterlogging

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Sunlight & Care

Prefers full sun for best flowering, tolerates partial shade in hot climates to prevent scorching

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Fertilization

Apply balanced fertilizer at planting and mid-season; do not over-fertilize as it promotes foliage over flowers

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Pruning

Deadhead spent blooms to encourage continued flowering; cut back after blooming for annual cycle completion

Pest Control Aphid Leaf Miner Slug Snail

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° – 82°
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)
1500 – 25000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1200 – 3000
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
30% – 65%
% 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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