Echinacea purpurea Eastern Purple Coneflower
Seed & Plants
Easyliving Native Perennial Wildflowers
Native Perennial Wild Flower Plants & Seeds for Home Landscaping & Prairie Restoration
|Habitat||Bloom Period||Color||Height Inches||Moisture||Plant Spacing||Lifespan|
Pat Shaw Picture
|Sun to Medium Shade||June July August||Dark Pink to Light Purple||30 to 60 Inches||Average to Moist||18 to 36 Inches||Perennial|
additional echinacea picture1 additional echinacea picture 2 Purple Coneflower Photo by CJ
purpurea Purple Coneflower potted plants available,
$4.00 each plus shipping
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Echinacea purpurea seed
Purple coneflower seed
1 packet - $2.50 + shipping
|150||28 sq ft|
1 ounce - $6.50
|6,000||430 sq ft|
1 pound - $45.00
|96,000||6,880 sq ft|
Echinacea purpurea, Eastern Purple Coneflowers are a celebrated ornamental in the native garden. The dark pink petals that surround an orange center make this a superb cut flower. It attracts butterflies and small birds and is famous for its medicinal uses which include alleviating skin rashes and boosting the immune system. Though Purple Coneflower prefers moist well-drained soil, it will tolerate dry conditions and grow in the open shade garden. It grows 3 to 5 feet tall and looks excellent in the middle or back of a butterfly garden or in mass plantings in a prairie meadow garden. Purple Coneflowr makes a spectacular display that blooms seemingly without end from summer to fall. Plant with Pycnanthemum (mountain Mint), Rudbeckia (Missouri Black-eyed susan), Ratibida (Prairie coneflower) and Asters (Aromatic and New England).
Common names for Echinacea purpurea include echinacea, snakeroot, Kansas snakeroot, purple coneflower, scurvy root, Indian head, comb flower, black susans, and hedge hog. Purple coneflower (Echinacea purpurea) was and still is a widely used medicinal plant of the Plains Indians. Echinacea purpurea was used as a painkiller and for a variety of ailments, including toothache, coughs, colds, sore throats, and is widely used as a herbal remedy today.
Echinacea purpurea Purple Coneflower seed germination is improved after a pretreatment of 3 to 4 weeks of cool moist stratification or when planted outside in fall/winter.
Echinacea purpurea is an ornamental wild flower occurring naturally in open woods, low areas, prairies and roadsides from Georgia, Louisiana, and Oklahoma, north to Virginia, Ohio, Michigan, Illinois, Iowa, and introduced eastward. Asteraceae (Aster Family)
The map below shows areas where native Echinacea purpurea purple coneflower plants grow wild but it can be planted and will grow over a much wider area than shown. USDA plant hardiness zones 3 to 9.
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PO Box 522
Willow Springs, Mo. 65793
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Plant distribution map
complements of USDA, NRCS. 2001. The PLANTS Database, Version 3.1
(http://plants.usda.gov). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.
names for Echinacea purpurea
echinacea, snakeroot, Kansas snakeroot, narrow-leaved purple coneflower, scurvy root, Indian head, comb flower, black susans, and hedge hog
Ethnobotanic: Purple coneflower (Echinacea purpurea) was and still is a widely used medicinal plant of the Plains Indians. It was used as a painkiller and for a variety of ailments, including toothache, coughs, colds, sore throats, and snake bite (Kindscher 1992). The Choctaw use purple coneflower as a cough medicine and gastro-intestinal aid (Moerman 1986). The Delaware used an infusion of coneflower root for gonorrhea and found it to be highly effective. The purple coneflower was the only native prairie plant popularized as a medicine by folk practitioners and doctors. It was used extensively as a folk remedy (Kindscher 1992). Purple coneflower root was used by early settlers as an aid in nearly every kind of sickness. If a cow or a horse did not eat well, people administered Echinacea in its feed. Echinacea is widely used as an herbal remedy today. A purple coneflower product containing the juice of the fresh aerial parts of Echinacea purpurea was found to make mouse cells 50-80 percent resistant to influenza, herpes, and vesicular somatitis viruses. This product was available in Germany in 1978 (Wacker and Hilbig 1978). Perhaps the most important finding so far is the discovery of immuno-stimulatory properties in Echinacea purpurea and E. angustifolia (Wagner and Proksch 1985, Wagner et al. 1985). Stimulation of the immune system appears to be strongly influenced by dose level. Recent pharmacological studies indicate that a 10-mg/kg daily dose of the polysaccharide over a ten-day period is effective as an immuno-stimulant. Increases in the daily dosage beyond this level, however, resulted in “markedly decreased pharmacological activity” (Wagner and Proksch 1985, Wagner et al. 1985). Other research has shown that the purple coneflower produces an anti-inflammatory effect and has therapeutic value in urology, gynecology, internal medicine, and dermatology (Wagner and Proksch 1985). From TAMU-BWG Digital Library - Vascular Plant Images Ornamental: The purple coneflower is often grown simply for its ornamental value, especially for its showy flowers. The best possibility for obtaining a new cultivar is in the hybrids between Echinacea purpurea and E. angustifolia var. angustifolia, whose progeny are compact, rounded, and bushy plants about two feet in diameter (McGregor 1968).
General: Sunflower Family (Asteraceae). Echinacea purpurea is a perennial herb 1-3 ft tall,
a woody rhizome or tough caudex. The plant has one to several rough-hairy stems,
mostly unbranched. Basal and lower cauline leaf blades are ovate to ovate-lanceolate
with serrate edges, up to 2 dm long and 1.5 dm wide, and slightly heart-shaped
at the base. Cauline leaves are similar but become smaller as they extend up the
stem. The flowers are in heads like sunflowers with the disk up to 3.5 cm
across. The drooping ray florets have ligules 3-8 cm long, and are
reddish-purple, lavender, or rarely pink. The disk florets are 4.5-5.5 mm long,
and are situated among stiff bracts. Flowers bloom from June to August. Pollen
grains are yellow. Fruits are small, dark, 4-angled achenes.
The purple coneflower grows in rocky prairie sites in open, wooded regions. Echinacea purpurea extends eastward through the Great Plains bioregion from northeast Texas, Missouri, and Michigan.
Native Echinacea species are dwindling in the wild from loss of habitat and over-harvesting. E. purpurea is not as threatened as E. angustifolia. In the wild, E. purpurea grows sporadically along waterways, with a few scattered individuals. Plant densities are too low for efficient harvest for commercial purposes. E. purpurea is the most widely adaptable species for cultivation. It is cold and heat hardy, easy to grow, and boasts high yields. Bioactive constituents of E. purpurea compare favorably with E. angustifolia, although there are proportional differences. E. angustifolia has more of the alkylamides, while E. purpurea has more of the equally immune enhancing caffeic acid derivatives. They are both effective medicines. A combination of both probably affords the most broad-spectrum immune-enhancing effect. Historically, E. purpurea was rarely utilized by pharmaceutical companies. It takes three to four years for roots to reach harvestable size (Foster 1991). Yields for cultivated, dried roots of three-year-old Echinacea purpurea grown at Trout Lake, Washington, were 131 kg/ha (1,200 lbs/acre) (Foster 1991). According to Richo Cech (1995), a mature two-year old E. purpurea plant yields 2.25 pounds of fresh flowering aerial portions and 0.5 pounds of fresh root per plant.
Purple coneflower can be propagated by division of the crowns. This technique results in stronger plants initially and eliminates the tedious nurturing and tending of the slow-growing seedlings (Kindscher 1992). Harvest roots when plants are dormant, when leaves begin to turn brown. Wash roots and remove most for use. Then carefully divide the crown by hand to make one to five “plantlets.” Replant the divisions as soon as possible. It is important that they don’t dry out, so if replanting is delayed a couple of hours, dip the plants briefly in water and keep them in a sealed plastic bag in a cool, shady place until you are ready to replant them. When replanting, ensure that the remaining fine roots are well spread out in the planting hole and the soil is pressed firmly around the plant. These plantlets can be grown in flats in the greenhouse during the winter to re-establish their root systems, then replanted in the field the following spring for another round of production.
Echinacea purpurea seed is easy to germinate. The following information is provided by Richo Cech (1995). • The seed can be spring-planted without cold, or cold stratification, to germinate. • Propagation is easily done in flats, which are sown with approximately ¼ ounce of seed per flat, evenly sprinkled on the surface and covered with about ¼ inch of potting soil. • The flats are left outdoors through the winter and watered if necessary. • A light screen over the flats will diminish the severity of heavy rain and snow, and will also keep out cats. • Spring germination can be greatly enhanced by bringing the flat of cold-conditioned seed into the greenhouse, whereupon rapid germination may be expected. • Once the second set of true leaves appears, the seedlings are put into pots or are spaced at approximately two inch centers in another deep flat. Seedlings must be carefully weeded and watered. • In late spring or early summer, the hardy seedlings, now with a four-to-six inch root system, may be transplanted into the field or garden one or two feet apart. • Regular spacing with one foot between the plants and two feet between the rows will result in approximately 21, 800 plants per acre. A generous two-foot spacing with three feet between the rows will result in approximately 7,500 plants per acre. • Timely watering during dry periods greatly increases the size of this plant. A sparing side dressing of organic compost, usually in the mid-spring, will assist this sometimes slow-growing herbaceous perennial in outranking competitive weeds. An ounce of well-cleaned E. purpurea seed contains approximately 6,000 seeds. A pound contains around 96,000 seeds. Given a normal spacing of one foot between the plants and two feet between the rows, an acre would contain 21,800 plants. Given a 68% germination rate, a pound of good seed could produce three acres of plants. This same acre, dormant harvested for the roots at the end of the second year of growth, would produce (at 1/2 lb. per root) 10,900 lbs of fresh root.
Harvesting and Processing the Seed
Seed can be harvested during the fall of the second year. Harvest the seed in autumn when seeds are ripe, before the fall rains set in. Seed should be from the largest and most vital plants. • Stop watering when the seeds begin to mature – excessive watering at this stage is not needed and it may damage the seed crop. • Snip the cone-heads off and put them in buckets. If the seed is still a little green, dry the cone-heads in the sun. • Separate the seed from the chaffy debris. It is important to break up the cone-heads without damaging the seed. Run the seed through a hammer mill or compost chopper at low RPM through a one-inch screen. Then pass the seed and chaff through a ¼ inch stationary screen. Shake the remaining seed and chaff through a screen that is too small for the seed to pass. What you have left is the seed with only the chaff that is the same size as the seed. • Lay out a flannel sheet and pour a cupful of the seed/chaff along the edge. Lift the top edge of the sheet and roll the seed to the other end where your partner is waiting to carefully funnel the seed into a bowl. • Make sure the seed is thoroughly dry. Store in plastic bags in a cool, dry, and dark place. Plastic bags allow the seed to respire, while glass does not. Seed thus stored remains viable for about three years.