Rudbeckia triloba

Three-lobed Coneflower

WhatsApp
Hardy herbaceous perennial native to North America, celebrated for bright yellow daisy-like blooms with dark central cones. Attracts pollinators, thrives in sunny garden beds.
yard Outdoor plants wb_sunny Sun pets Pet Friendly
info Pot sizes shown are estimations. Real dimensions may vary depending on the merchant.
Merchant Pot Size Availability Price
Amazon.com 2-3 in In Stock $24.00 Buy
info

Plant Details

Common Name Three-lobed Coneflower
Family Asteraceae
Genus Rudbeckia
Species Triloba
Origin United States
Blooming Summer to Autumn, bright yellow flowers
Leaf Color Green
Sunlight Sun
Category Outdoor plants
Pet Friendly check Yes
yard

Care & Maintenance

terrain
Soil

Well-drained loamy soil, tolerates poor and sandy soils

water_drop
Watering

Moderate watering, drought tolerant once established, avoid waterlogging

light_mode
Sunlight & Care

Prefers full sun for best flowering, tolerates partial shade in hot climates

science
Fertilization

Low maintenance, apply balanced fertilizer in early spring before blooming

content_cut
Pruning

Deadhead spent flowers to prolong bloom, cut back stems after first frost

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.

calendar_month

Seasonal Periods

local_florist Flowering Period 5 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 10 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
14° – 100°
Fahrenheit
Ideal ambient air temperature range for healthy growth
water_drop
Humidity
20% – 75%
% relative
Optimal relative air humidity the plant thrives in
light_mode
Light (LUX)
3000 – 60000
Lux
Ambient illuminance level at the plant's surface
wb_sunny
Light (PAR)
400 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
20% – 65%
% volumetric
Water content in the growing medium
bolt
Soil EC
300 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)
local_hospital

Common Problems

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

Related Plants

You might also like these plants

Browse All ›
Rudbeckia hirta
parkOutdoor plants petsPet friendly
Rudbeckia hirta

Black-eyed Susan

account_treeAsteraceae location_onNorth America

from $24
check_circleIn Stock
yard2-3 in
Rudbeckia laciniata
parkOutdoor plants petsPet friendly
Rudbeckia laciniata

Cut-leaved Coneflower / Green-headed Coneflower

account_treeAsteraceae location_onNorth America

info Price unavailable

Rudbeckia hirta Becky Orange
parkOutdoor plants petsPet friendly
Rudbeckia hirta Becky Orange

Black-eyed Susan (Becky Series Orange)

account_treeAsteraceae location_onNorth America

info Price unavailable

Rudbeckia hirta Becky Yellow
parkOutdoor plants petsPet friendly
Rudbeckia hirta Becky Yellow

Black-eyed Susan

account_treeAsteraceae location_onNorth America

from $24
check_circleIn Stock
yard2-3 in
favorite