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Echinacea (angustifolia)

Richard L. Wynia
USDA NRCS - Manhattan Plant Materials Center
3800 S. 20th Street
Manhattan, Kansas 66502-9535
(785) 539-8761
(785) 539-6928 (fax)

Family Scientific Name: Asteraceae
Family Common Name: Aster
Scientific Name: Echinacea angustifolia
Common Name: Black Samson
General Distribution: Open rocky prairies and plains on the Great Plains, less frequent on the far-western edge; rarely existing east to central New Mexico and northwest Iowa.
Propagation Goal: seeds
Propagation Method: seed
ProductType: Propagules (seeds, cuttings, poles, etc.)
Time To Grow: 0
Propagule Processing: EASE OF COLLECTION: Mature heads may be clipped from plants.
METHOD OF CLEANING: Run the heads through a hammermill using a 3/8 screen at 400 rpm; followed by running the seed through the Clipper M2B several times using screen sized: upper=11, lower=1/22, upper air adjustment either closed or 1/10-1/4 open, lower air closed. Then run the seed through the Clipper desk top cleaner several times until clean.
PROPAGATION METHOD: Sow 1/4 inch deep in clean, form, seed bed, late fall, in the field or sow seed in flats following cold-moist stratification.
NUMBER OF SEEDS PER POUND: 97,000 or 150,000 clean caryopsis.
PERCENT GERMINATION: 24% + 40% dormant = 64% (4 year average); Best results obtained at 19-26§C.
Pre-Planting Treatments: PRETREATMENT USED: 9 to 15 weeks cold-moist stratification for best results.
Growing Area Preparation/
Annual Practices for Perennial Crops:
METHOD OF GROWING: In field in rows. Seedlings in flats should be transplanted after first growing season.
Harvesting, Storage and Shipping: SEED MATURITY DATE: July 22 - August 21.

UNUSUAL OR UNIQUE HARVESTING OR DIGGING REQUIREMENTS: Field grown plants may be lifted in early spring for transplanting.

STORAGE REQUIREMENTS: Low humidity and temperature extends viability.

ESTIMATED PROPAGULE STORAGE POTENTIAL: At least 2 years under controlled environment (see storage requirements).
Other Comments: REESTABLISHMENT TECHNIQUES: It is critical that transplants be set at original soil depth. Watering transplants in is desirable.
References: Art, Henry W. 1986. A Garden of Wildflowers. Storey Communications, Inc., Pownal, VT 05261. P. 120-121.

Great Plains Flora Assoc., T. M. Barkley, Ed. 1986. Flora of the Great Plains. University Press of Kansas, Lawrence, KS. P. 921-922.

Hesse, MargaretC. 1973. Germination of Seven Species of Wild Flowers as Affected By Different Pregermination Conditions. MS Thesis, U. of Nebraska. P. 29-34.

Sullivan, Gene A. and Richard H. Daley 1981 Directory to Resources of Wildflower Propagation, National Council of State Garden Cluds, Inc., Missouri Botanical Garden. P. 98 and 225.


Wynia, Richard. 2001. Propagation protocol for production of Propagules (seeds, cuttings, poles, etc.) Echinacea angustifolia seeds USDA NRCS - Manhattan Plant Materials Center Manhattan, Kansas. In: Native Plant Network. URL: http://NativePlantNetwork.org (accessed 2021/07/27). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.

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