Seeds were cold stratified for 270 days. Seeds germinate at alternating temperatures of 30/20 C.
Baskin C.C. and Baskin J.M. Seeds: Ecology, Biogeography, and Evolution of Dormancy and Germination, Academic Press, 1998. 666p. Shipley and Parent 1991. Germination responses in 64 wetland species in relation to seed size, minimum time to reproduction and seedling relative growth rate. Func. Ecology. 5, 111-118.
Baskin, Carol C.. 2003. Propagation protocol for production of Container (plug) Carex retrorsa Schwein. plants University of Kentucky Lexington, Kentucky. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2025/01/27). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.