A tall branching plant with yellow orange flowers.
Pronunciation
(hee-li-OP-sis)(hee-li-AN-thoi-deez)
Plant Type
All Plants, Wild Flowers
Hardiness Zone
4
Sunlight
full
Moisture
average to moist
Soil & Site
average
Flowers
1.5 to 3 inches wide, yellow to orange yellow, both ray and disk flowers are fertile (opposite of true Sunflowers), flowers found on single stalk, blooms July to September
Leaves
opposite, at least a 1 inch stalk, coarsely and roughly toothed especially on lower leaves, truncated base
Dimensions
up to 4 feet
Maintenance
may need staking
Propagation
seeds
Native Site
Native to North America
Author's Notes
I grew this plant at my nursery. One was planted by the front door of our house and it reached over 7 feet tall.
Notes & Reference
#56-Tall Grass Prairie Wildflowers (Doug Ladd), #100-Wildflowers of Wisconsin and the Upper Midwest (Merel Black and Emmet Judziewicz)