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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

Grindelia

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: Grindelia
Common Name: Gumweed
Species Code: GRIND
Ecotype: Colorado, Glacier Gorge (98-037s)
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 head.

Glacier Gorge (98-037s) collected on 10/3/98.
Propagule Processing: Germination: Glacier Gorge (98-037s) near 100%.
Pre-Planting Treatments: Seed Treatment: 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: Surface sown in 36 pk, with 1 seed/slot. Pressed seeds firmly into soil.

Time to germination: 6 days.

Establishment Phase: Rapid and even.

Glacier Gorge (98-037s) sowed 11/4/98.
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.) Grindelia seeds USDI NPS - Rocky Mountain National Park Estes Park, Colorado. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/07/03). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.