Ceratostigma griffithii

Griffith's Plumbago, Blue Leadwort

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A hardy, deciduous sub-shrub native to the Himalayas featuring intense blue blooms in late summer and distinctive burgundy winter stems.
yard Outdoor plants wb_sunny Half-shade pets Not pet-safe
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Plant Details

Common Name Griffith's Plumbago, Blue Leadwort
Family Plumbaginaceae
Genus Ceratostigma
Species Griffithii
Origin Himalayas / Western China
Blooming Late summer to autumn
Leaf Color Green turning burgundy in winter
Sunlight Half-shade
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-drained, fertile loam; tolerates poor soil but thrives with good drainage.

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Watering

Regular watering during active growth; drought tolerant once established. Reduce significantly in winter dormancy.

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Sunlight & Care

Prefers full sun for maximum flowering; tolerates partial shade in hot climates.

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Fertilization

Apply slow-release balanced fertilizer in early spring as new shoots emerge.

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Pruning

Cut back stems to ground level in late autumn or early spring for vigorous regrowth.

Pest Control Aphid Slug Snail 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
5° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
30% – 80%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
1500 – 45000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
20 – 450
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
350 – 1500
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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