Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 3: 510. Courtesy of Kentucky Native Plant Society.
Sunset®: All zones
USDA: 3-9
Sun Exposure: Full sun
Origin: North America, in moist soils along streams and ponds
Growth Habits: Erect, clump-forming herbaceous perennial, 3 to 5 feet tall (90-150 cm), 2 to 3 feet spread (60-90 cm); dark green leaves, up to 6 inches long (15 cm)
Watering Needs: Regular to wet soil, intolerant of dry soils
Propagation: Seeds
This genus is named for Helen of Troy.
There are a number of cultivars with flower color varying from yellow to red to brown:
'Red Gold' is a cultivar with coppery red flowers.
'Rotgold' has red petals with golden margins
Blooming Habits:
Flowers with yellow to orange rays and brown to black center disks from late summer to autumn.
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