Paul E. Berry from Wisconsin State Herbarium website
 
 

Common Name	Purple Coneflower
Scientific Name	Echinacea purpurea
Height	2'-4' tall, 3'' blossoms
Sun/Shade	Sun - partial shade
Bloom Season	July - September
Bloom Color	Purple, orange cone
Soil	Well drained, moist, versatile, neutral pH. Prefers dry open woods and prairies
Disease Susceptibility	Mild grasshopper munching - otherwise pest free
Propagation	Very easy from moist stratified seed.  Very aggressive.
Notes	Flowers persist. Small birds such as chickadees and goldfinches eat seeds. Fibrous rooted

 
 

	Earthly Goods	Prairie Nursery	J&J Aquatic Nursery	Ender's	Taylor Creek	Possibility Place
Costs	1 lb- $33.00 1/2 lb - $18.75 Ounce - $6.80 Packet - $2.00	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. 6,600 seeds/oz. 1/8oz.-$3.00  1/4oz.-$4.00  1/2oz.-$6.00  1oz.-$10.00  1lb.-$150.00	2" plug each - $1.50 10 - $1.25 100 - $1.00 seed oz - $5.00 lb - $60.00	Native plant retail prices:  ½ pint - 2.35,  pint - 3.40,  quart - 4.75,  ½ gallon - 5.95,  gallon - 7.50 & up	7.50/oz 1.50/plant	Flat of 32, single species, $37.00    2" plug - $2.25 each    gallons - $4.75

Information on Echinacea purpurea:
- USDA's PLANTS database. Plant Guide: 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=ECHPUR
- List of Roadside Native Plants for Illinois - http://www.inhs.uiuc.edu/~kenr/prairietable1.html
- Landscaping with Plants Native to Indiana. (pamphlet). November 1999.
- Harstad, Carolyn. Go Native! Gardening with Native Plants and Wildflowers in the Lower Midwest.  Bloomington: Indiana University Press, 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.