Wild Rosinweed is a perennial native prairie wildflower (a perennial native prairie forb). Siliphium integrifolium is a perennial native prairie wildflower (a perennial native prairie forb). Oak Prairie Farm offers retail perennial native prairie wildflowers (retail perennial native prairie forbs). Oak Prairie Farm offers wholesale perennial native prairie wildflowers (wholesale perennial native prairie forbs). This Prairie Guidebook page provides perennial native prairie wildflower (perennial native prairie forb) wild plant propagation information. This Prairie Guidebook page provides perennial native prairie wildflower (perennial native prairie forb) wild seed treatment information. This Prairie Guidebook page also provides perennial perennial native prairie wildflower (perennial native prairie forb) wild seed sales information.

Rosinweed

Botanical name:	Siliphium integrifolium

Description: numerous bright yellow flowers grow on branching stalks at the top of the plant. These perennial, open, branching plants are up to 6 feet tall, with many paired rough leaves which are about 6 inches long.

Attracts:	Honeybees.
Bloom time:	From July through September.
Range:	Northern U.S. and south to Ohio.
Sunshine:	Full sun.
Moisture:	Fairly wet to dry.
Soil types:	Clay or loam best.

Suggested seed treatment: You should provide 10 days of cold moist stratification. Many prairie wildflower seeds benefit by moist cold stratification, some require it to germinate. Seed that you purchase from Oak Prairie Farm has not received cold moist stratification.

Direct planting tips: Plant seed in desired location and cover with 1/2 inch deep soil, and firm.

Transplants: If you grow transplants from our seed: transplant seedlings up to 2 year old while dormant in spring or fall, trim long roots, plant with buds just below the soil surface, space 3 to 4 feet apart.

Companion prairie plants: Joe Pye weed, Rigid goldenrod, Spiderwort, Big bluestem, Indian grass.

Comments: Very vigorous. Nice for landscaping.

indicates photos taken by Dan Klapper.

indicates photos taken by Dr. Era Jo Moorer. All others taken by Lin Heinrich.
See the About Oak Prairie Farm link on the Home page for more information concerning photographers.