Carthamus tinctorius Zanzibar

Zanzibar Safflower

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Ornamental annual with spiny foliage and vibrant red bracts, popular for dried floral arrangements; requires full sun.
yard Outdoor plants wb_sunny Sun pets Not pet-safe
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Plant Details

Common Name Zanzibar Safflower
Family Asteraceae
Genus Carthamus
Species Tinctorius
Variety Zanzibar
Origin Mediterranean Basin
Blooming Vibrant bracts appear in summer; yellow florets follow.
Leaf Color Grey-green foliage with red-orange bracts
Sunlight Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

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Soil

Well-drained sandy loam, neutral to slightly alkaline pH.

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Watering

Water regularly during establishment; drought tolerant once mature but avoid waterlogging.

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Sunlight & Care

Requires full sun exposure for optimal bract color and stem strength; avoid deep shade.

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Fertilization

Apply balanced fertilizer monthly during vegetative growth; reduce at flowering stage.

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Pruning

Deadhead spent flowers to prolong bract display; harvest stems for drying when bracts turn deep red.

Pest Control Aphid Leafhopper Spider Mite

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
agriculture Harvesting Period 2 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
50° – 90°
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)
6000 – 40000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
15 – 30
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
25% – 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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