Protea Sylvia

Sylvia King Protea

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A striking cultivar of King Protea, featuring large pink and white bracts resembling a crown. Native to South African Fynbos, it requires high light and well-drained acidic soil.
yard Outdoor plants wb_sunny Sun pets Not pet-safe
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Plant Details

Common Name Sylvia King Protea
Family Proteaceae
Genus Protea
Species Protea Cynaroides
Variety Sylvia
Origin South Africa
Blooming Late winter to early spring, primarily grown for cut flowers.
Leaf Color Grey-green silver foliage
Sunlight Sun
Category Outdoor plants
Pet Friendly close No
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Care & Maintenance

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Soil

Acidic, well-draining sandy loam or peat mix, low phosphorus content essential

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Watering

Drought tolerant once established; water deeply but allow soil to dry between sessions, avoid wetting foliage

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Sunlight & Care

Full sun exposure required for optimal blooming; partial shade acceptable in extreme heat

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Fertilization

Apply low phosphorus fertilizer sparingly during active growth; reduce feeding in winter dormancy

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Pruning

Prune after flowering to remove spent heads and maintain shrub shape

Pest Control Psyllid 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 7 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

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Temperature
50° – 86°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
35% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
10000 – 60000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1200 – 4500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
20% – 45%
% volumetric
Water content in the growing medium
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Soil EC
200 – 1500
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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