A 2-6 foot tall prairie plant with large yellow daisy-like flower.
Plant Type
All Plants, Wild Flowers
Sunlight
full
Moisture
moderately dry to average
Soil & Site
moderately dry to average
Flowers
panicle flowers are found on short stalks on the top of the plant, July-August
Leaves
variable and coarse, usually opposite and maybe toothed or entire, sand paper texture
Stems
stout stem, usually covered with stiff hair, and short rhizomes
Roots
taproot
Dimensions
2'-3' tall and one of the shorter Silphium, can form small thickets
Propagation
easy from seed
Misc Facts
North American Prairies
Author's Notes
The foliage of this plant is variable. When I first saw a group of Rosin Weed, I thought there were a few different types of plants in the group. But they all turned out to be Rosin Weed.
Notes & Reference
#09-The Prairie Garden (J. Robert Smith with Beatrice Smith), #56-Tall Grass Prairie Wildflowers (Doug Ladd), #224-Prairie Nursery web site (www.prairienursery.com)