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Lasthenia (glaberrima)

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: Asteraceae
Family Common Name: Sunflower Family
Scientific Name: Lasthenia glaberrima D.C.
Common Name: Smooth goldfields
Species Code: LAGL3
Ecotype: Seeds were collected from Lane Co., Oregon near Eugene.
Propagation Goal: seeds
Propagation Method: seed
ProductType: Propagules (seeds, cuttings, poles, etc.)
Time To Grow: 0
Target Specifications: Grow plugs to be trasnplanted into a field covered with weed fabric for seed increase.
Propagule Collection: seeds shattered on the weed fabric as they matured. The weed fabric was vacuumed using small battery-powered hand vacuums to collect seed.
Propagule Processing: Seeds were cleaned using a smallair screen machine.
Growing Area Preparation/
Annual Practices for Perennial Crops:		 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). Flats of cone-tainers were placed in an unheated greenhouse.Seeds will germinate in warm or cold temperatures.
Other Comments: Seeds are sown in December in a minimally heated greenhouse (about 50 degrees). Plugs are ready to be transplanted outside in mid march.

Citation:

Bartow, Amy. 2007. Propagation protocol for production of Propagules (seeds, cuttings, poles, etc.) Lasthenia glaberrima D.C. seeds USDA NRCS - Corvallis Plant Materials Center Corvallis, Oregon. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2025/04/21). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.