Yellow Coneflower Ratibida pinnata 
                                                      Kenneth J. Sytsma from Wisconsin State Herbarium website
 
Common Name Yellow Coneflower/ Gray-headed Coneflower 
Scientific Name Ratibida pinnata
Height 3-5' tall
 Sun/Shade Sun
  Bloom Season July - September 
 Bloom Color Yellow ray flowers, centers go from gray to purplish-brown to dark gray
Soil Best in moist or dry - not heavy, wet. 
Disease Susceptibility
Propagation  Blooms in second year. Long lasting blooms. Very easy from moist stratified seed
http://nativeplants.for.uidaho.edu/network/view.asp?protocol_id=280
 Notes Avoid crowding. Good for novice gardener.  Very aggressive, binds soil.

 
 
  Prairie Nursery Heartland Restoration Enders Taylor Creek Possibility Place
Costs
from Spring 2001 catalog
3" Pot
1-3 $3.95ea. 
4-11 $2.95ea. 
12-31 $2.75ea. 
32-63 $2.25ea. 
64-95 $1.95ea. 
96+ $1.75 ea. 

27,000 seeds/oz
1/8oz.-$1.50 
1/4oz.-$2.00 
1/2oz.-$3.00 
1oz.-$5.00 
1lb.-$75.00 

8.00/oz, 
110.00/lb
Native plant retail prices: 
½ pint - 2.35, 
pint - 3.40, 
quart - 4.75,
½ gallon - 5.95,
gallon - 7.50 & up. 
5.75/oz
1.25/plant 
Flat of 32 - $37.00
   2" plug - $2.25 each
   gallons - $4.75

Information on Ratibida pinnata:
- USDA's PLANTS database. Plant Profile: http://plants.usda.gov/plants/cgi_bin/topics.cgi?earl=fact_sheet.cgi
- Wisconsin State Herbarium - http://wiscinfo.doit.wisc.edu/herbarium/scripts/detail.asp?SpCode=RATPIN
- List of Roadside Native Plants for Illinois - http://www.inhs.uiuc.edu/~kenr/prairietable1.html
- Landscaping with Plants Native to Indiana. (pamphlet). November 1999.
- Cullina, Willaim. The New England Wild Flower Society Guide to Growing and Propagating Wildflowers of the United States and Canada.  Boston: Houghton Mifflin Co, 2000.