Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.
Search native plant database:
Wasowski, Sally and Andy
Silphium terebinthinaceum Jacq.
Prairie rosinweed, Prairie dock
USDA Symbol: site
USDA Native Status: Native to U.S.
Very large, wide, spade-shaped basal leaves subtend a 3-8 ft. flowering stalk. Bright yellow, composite flower are numerous on older plants.
The common name for Silphium is rosinweed due to the copious resin exuded from injured parts of the plant. Prairie youngsters use the resin for chewing gum. It tastes like carrots and pine. (Lamb/Rhynard)
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Jul , Aug , Sep
AL , AR , DC , GA , IA , IL , IN , KY , MI , MO , MS , NC , OH , SC , TN , VA , WI , WV Canada: ON Native Distribution:
S. Ont. & OH to MN, s. to SC, MS & AR Native Habitat:
Prairies; woodland borders; old fields USDA Native Status: L48(N), CAN(N)
Growing ConditionsLight Requirement: Sun
Soil Moisture: Moist , Wet
Soil Description: Wet to mesic soils.
Conditions Comments: Not Available
BenefitUse Other: The common name for Silphium is
osinweed due to the copious resin exuded from injured parts of the plant. Prairie youngsters use the resin for chewing gum. It tastes like carrots and pine. (Lamb/Rhynard)
Propagate by sowing seed sowing unstratified seed in fall or stratified seed in spring. If producing transplants, sow seed late in the season as the rapid taproot
growth will enable transplanting in fall or early spring. Seed Collection:
Collect in Sep. and Oct. Seed Treatment:
Moist stratification for 10 days. Commercially Avail:
From the National Suppliers Directory
According to the inventory provided by Associate Suppliers, this plant is available at the following locations:
Ohio Prairie Nursery
- Hiram, OHPrairie Nursery
- Westfield, WI
Recommended Species Lists
Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.
View Recommended Species page
Record Modified: 2012-12-09
Research By: TWC Staff