RNGR.net is sponsored by the USDA Forest Service and Southern Regional Extension Forestry and is a colloborative effort between these two agencies.

U.S. Department of Agriculture USDA Forest Service Southern Regional Extension Forestry Southern Regional Extension Forestry

Skip to content. | Skip to navigation

The Forest Service National Center for Reforestation, Nurseries, and Genetic Resources (RNGR) is a leading source of technical information for nurseries and land managers regarding production and planting of trees and other native plants for reforestation, restoration, and conservation.

 
NPN Protocol Details Image

Rudbeckia (hirta)

Lindsay Springer
Lead Biological Science Technician - Greenhouse Manager
USDI NPS - Rocky Mountain National Park
1000 Highway 36
Estes Park, Colorado 80517-8397
(970) 586-1252
(970) 589-1392 (fax)
Lindsay_Springer@nps.gov
http://www.ggnpa.org
Family Scientific Name: Asteraceae
Scientific Name: Rudbeckia hirta
Common Name: Black-eyed Susan
Species Code: RUHI2
Ecotype: Colorado, McGraw Ranch
Propagation Goal: seeds
Propagation Method: seed
ProductType: Propagules (seeds, cuttings, poles, etc.)
Time To Grow: 0
Propagule Collection: Seed cleaning technique: Seeds removed from seed heads.
Propagule Processing: Germination: McGraw Ranch high percentage.
Pre-Planting Treatments: Seed treatments: None.
Growing Area Preparation/
Annual Practices for Perennial Crops:		 Propagation Environment: Greenhouse, 65-70§ F day/55§F night. Propagated under tent with misters set 8 am-8 pm, with 10 sec/15 min watering intervals. One week after germination, seedlings were moved to mister area without tent.

Germination media: Fafard Germinating Mix (superfine).

Growing media: Fafard Growing Mix 2.
Establishment Phase: Sowing/planting technique: Sown in 36 pk, 3-5 seeds/slot.

Time to germination: 12 days.

Establishment Phase: Germination uniform and rapid.

Time to potting: 1 month.

McGraw Ranch sowed 11/18/98.
Harvesting, Storage and Shipping: Seed storage condition: Seed stored in the greenhouse.

Citation:

Butler, Jennifer; Frieswyk, Christin. 2001. Propagation protocol for production of Propagules (seeds, cuttings, poles, etc.) Rudbeckia hirta seeds USDI NPS - Rocky Mountain National Park Estes Park, Colorado. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2025/02/24). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.