Pelargonium sidoides

Umckaloabo / Cape Geranium

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Perennial herb native to South Africa, known for medicinal roots and aromatic foliage. Produces delicate pink or purple flower umbels in summer.
yard Kitchen garden plants wb_sunny Half-shade pets Not pet-safe
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Plant Details

Common Name Umckaloabo / Cape Geranium
Family Geraniaceae
Genus Pelargonium
Species Sidoides
Origin South Africa
Blooming Summer, small umbels of pink/purple/white flowers
Leaf Color Grey-green to dark green
Sunlight Half-shade
Category Kitchen garden plants
Pet Friendly close No
yard

Care & Maintenance

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Soil

Well-draining sandy loam with organic matter, pH 6.0-7.5

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Watering

Water moderately, allow top soil to dry between waterings. Reduce in winter dormancy.

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Sunlight & Care

Full sun preferred for best growth and flowering, tolerates light shade

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Fertilization

Apply balanced liquid fertilizer monthly during active growing season (Spring/Summer)

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Pruning

Deadhead spent flowers and trim leggy stems late winter to encourage bushy growth

Pest Control Aphid Mealybug Spider Mite Whitefly

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 5 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
41° – 86°
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)
1000 – 20000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1200 – 3500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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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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