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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

Plectritis (congesta)

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: VALERIANACEAE
Family Common Name: Valerian family
Scientific Name: Plectritis congesta (Lindley) A. DC.
Common Name: shortspur seablush
Species Code: PLCO4
Ecotype: seeds were collected in Lane Co., Oregon near Eugene.
Propagation Goal: plants
Propagation Method: seed
ProductType: Container (plug)
Time To Grow: 0
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.)
Growing Area Preparation/
Annual Practices for Perennial Crops:		 Flats were placed in greenhouse set at moderate temperatures (70 degree days/50 degree nights.)
Establishment Phase: Seeds germinated within one to two weeks. 60% germination occured.

Citation:

Bartow, Amy. 2004. Propagation protocol for production of Container (plug) Plectritis congesta (Lindley) A. DC. plants USDA NRCS - Corvallis Plant Materials Center Corvallis, Oregon. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2025/02/24). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.