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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

Brodiaea (coronaria)

Amy Bartow
Seed and Plant Production Manager
USDA NRCS - Corvallis Plant Materials Center
3415 NE Granger Ave
Corvallis, Oregon 97330
(541) 757-4812 ext 103
(541) 757-4733 (fax)
amy.bartow@or.usda.gov
http://plant-materials.nrcs.usda.gov/orpmc
Family Scientific Name: Liliaceae
Family Common Name: Lily family
Scientific Name: Brodiaea coronaria (Salisb.) Engl
Common Name: crown brodiaea
Species Code: BRCO3
Ecotype: Seeds were collected in Lane Co., Oregon near Eugene.
Propagation Goal: plants
Propagation Method: seed
ProductType: Container (plug)
Stock Type: bulbs
Time To Grow: 2 Years
Target Specifications: 2-year old bulbs
Pre-Planting Treatments: Seeds were sown into cone-tainers filled with Sunshine #1(a soil-less peat-based media)amended with micro-nutrients (Micromax) and a slow release fertilizer (Osmocote 14-14-14). The flats of cone-tainers were covered with poly-ethylene bags and placed in a walk-in cooler (35-40 degrees) for 90 days.
Growing Area Preparation/
Annual Practices for Perennial Crops:		 Flats were removed from the cooler after 90 days and placed in a greenhouse set at moderate temperatures (70 degrees days/50 degrees nights).
Establishment Phase: Seedlings emerged within two weeks.
Hardening Phase: plants went dormant in mid summer and re-emerged in late fall.
Other Comments: Higher germination rates were observed in seeds that were placed in a growth chamber with alternating temperatures (40 degree days 35 degree nights) and 8 hours of light 16 hours of darkness.

Citation:

Bartow, Amy L. 2006. Propagation protocol for production of Container (plug) Brodiaea coronaria (Salisb.) Engl plants bulbs; USDA NRCS - Corvallis Plant Materials Center Corvallis, Oregon. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/07/01). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.