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Gymnosperm (Pinus)



Pinus (jeffreyi)


Gymnosperm



Pinus

jeffreyi







Pinus

ponderosa






Jeffrey pine

PIJE


Found in Oregon, California and Nevada.


plants

seed

Container (plug)


Weeks

Well-developed crowns, roots and rhizomes filling soil profile in container.



This plant benefits from 60 days cool(38F)/moist stratification to break dormancy prior to germination.













2015. Propagation protocol for production of Container (plug) Pinus jeffreyi plants USDA NRCS - Corvallis Plant Materials Center Corvallis, Oregon. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/12/22). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.