Rudbeckia laciniata

Cut-leaved Coneflower / Green-headed Coneflower

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Robust herbaceous perennial with tall stems and large yellow flower heads featuring green centers. Native to North American wetlands.
yard Outdoor plants wb_sunny Half-shade / Sun pets Pet Friendly
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Plant Details

Common Name Cut-leaved Coneflower / Green-headed Coneflower
Family Asteraceae
Genus Rudbeckia
Species Laciniata
Origin North America
Blooming Large yellow flower heads with green centers appear in late summer.
Leaf Color Medium to dark green
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly check Yes
yard

Care & Maintenance

terrain
Soil

Moist, fertile loam; tolerates clay and wet conditions well.

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Watering

Keep soil consistently moist, especially during summer heat and establishment phase.

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Sunlight & Care

Full sun for best blooms, partial shade in hot climates prevents scorching.

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Fertilization

Apply balanced fertilizer monthly during the active growing season (spring to autumn).

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Pruning

Cut back to ground level in late autumn or early spring after frost.

Pest Control Aphid Leafhopper 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 5 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° – 100°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 90%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
2000 – 80000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
500 – 6000
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
20% – 90%
% volumetric
Water content in the growing medium
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Soil EC
300 – 2500
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

Something wrong with your Rudbeckia laciniata? Select a symptom to diagnose and fix the issue.

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