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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

Fraxinus (velutina)

Cheryl Decker
Nursery Manager
USDI NPS - Zion National Park
SR 9
Springdale, Utah 84767-1099
http://www.ggnpa.org

Family Scientific Name: Oleaceae
Family Common Name: Ash Family
Scientific Name: Fraxinus velutina Torr.
Common Synonym: Fraxinus pennsylvanica velutina
Common Name: Velvet ash
Species Code: FRAVEL
Ecotype: Zion National Park, Utah
General Distribution: Fraxinus velutina is found from Oregon and California east through the Great Basin States and south to Arizona, New Mexico and Texas.
Propagation Goal: plants
Propagation Method: seed
ProductType: Container (plug)
Stock Type: Tall One Tree Pot
Time To Grow: 1 Years
Target Specifications: Height: N/A<br> Caliper: N/A<br> Root System: Firm root plug in container.
Propagule Collection: Samaras are hand collected from sites within the Park when they have fully matured.
Propagule Processing: Seeds are stored in sealed containers under refrigeration between 40 and 60 F.
Pre-Planting Treatments: Seeds are naturally stratified outdoors during fall months.
Sowing Methods:
Seeds are directly sown into D40 Cells containing 1.5 parts vermiculite, 1 part sterile sand, 1 part coarse turface, and 2 parts peat moss (v:v:v:v).
Cells are watered thoroughly after sowing and are not allowed to dry out during completely during stratification
Growing Area Preparation/
Annual Practices for Perennial Crops:
Seedlings are grown in a shadehouse from February through October.
Establishment Phase: After emergence, seedlings are thinned to 1 plant per cell. Seedlings are hand watered throughout the growing season until they are well established.
Active Growth Phase: Transplant to Tall One Tree Pots mid summer.We sometimes incorporate 13:13:13 NPK Osmocote time release fertilizer into media.Throughout the active growth phase, we irrigate when containers are nearly dry as a method of hardening the plants while they are being grown.

Citation:

Decker, Cheryl. 2003. Propagation protocol for production of Container (plug) Fraxinus velutina Torr. plants Tall One Tree Pot; USDI NPS - Zion National Park Springdale, Utah. 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.