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NPN Protocol Details Image

Eupatorium

William Skaradek
USDA NRCS - Cape May Plant Materials Center
1536 Route 9 North
Cape May Court House, New Jersey 08210
(609) 465-5901
(609) 465-9284 (fax)
wskaradek@nj.nrcs.usda.gov
http://plant-materials.nrcs.usda.gov/njpmc
Family Scientific Name: Asteraceae
Family Common Name: Aster
Scientific Name: Eupatorium
Common Name: Thorough Wort
General Distribution: Erect, branching perennial herb found on dry sandy sites from Long Island to Florida west to Arkansas.
Propagation Goal: seeds
Propagation Method: seed
ProductType: Propagules (seeds, cuttings, poles, etc.)
Time To Grow: 0
Propagule Collection: Collected in the Yosemite National Park.
Propagule Processing: EASE OF COLLECTION: Seed was readily found on Assateague Island, Maryland in the transition zone between the foredune and forests.
METHOD OF CLEANING: Feed collected material into a hammermill using small screening; follow with mechanical screen cleaning with no air.
UNUSUAL OR UNIQUE PROCESSING REQUIREMENTS: Light, fibrous tufts are difficult to separate from seed.
PROPAGATION METHOD: Field application: The medium is sandy loam; at a rate of 15 lbs./ac.; weed control is done by hand; irrigation is 1 inch/biweekly.
Greenhouse application: The medium is 1:2 peat/sand; the rate is 20 g./square feet; weed control is done by hand; irrigation is kept moist.
NUMBER OF SEEDS PER POUND: Data not available at date of publication.
PERCENT GERMINATION: Data not available at date of publication.
Pre-Planting Treatments: PRETREATMENT USED: None.
Growing Area Preparation/
Annual Practices for Perennial Crops:		 METHOD OF GROWING: Data not available at date of publication.
Harvesting, Storage and Shipping: SEED MATURITY DATE: September - October; seed matures with the drying of the plant.

STORAGE REQUIREMENTS: After cleaning, store in cloth bags in a dehumidified room at less than 40§F.

ESTIMATED PROPAGULE STORAGE POTENTIAL: Data unavailable at date of publication.

Citation:

Skaradek, William. 2001. Propagation protocol for production of Propagules (seeds, cuttings, poles, etc.) Eupatorium seeds USDA NRCS - Cape May Plant Materials Center Cape May Court House, New Jersey. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2025/04/20). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.