Rudbeckia triloba

Brown-eyed Susan, Three-lobed Coneflower

Family: Asteraceae Aster


Type Bi-annual, perennial
USDA Hardiness range 3A - 9B
Exposure Partial shade to full sun
Bloom color Yellow
Bloom time Mid Summer to Mid Fall
Water needs Dry to moist
Landscape uses Border, container, foundation, massing, specimen
Height 36" to 4' / 90cm to 1.20m
Spread 12" to 36" / 30cm to 90cm
Growth rate Fast
Bloom attributes Attracts butterflies, suitable for cut flowers
Leaf color Green
Fruit color n/a
Soil pH requirements Neutral
Soil type Sandy, clay, loamy
Form Rounded, upright or erect
Attributes and features Attracts birds, native to North America, naturalizing