Five grasses: little bluestem, Schizachyrium scoparium (Michx.) Nash; prairie dropseed, Sporobolus heterolepis (A. Gray) A. Gray; feather reedgrass, Calamagrostis x acutiflora (Schrad.) DC. ‘Karl Foerster’; redflame miscanthus, Miscanthus Anderss. ‘Purpurascens’; and variegated Japanese silvergrass, Miscanthus sinensis Anderss. ‘Variegatus’; were propagated in fall and spring by plugs or field divisions into 480 ml (4 in round), 2.7 liter (#1), or 6.2 liter (#2) nursery containers. Plants were evaluated for finish date and winter survival. Three fall handled species consistently finished as a salable plant within one year: Schizachyrium scoparium plugs, Calamagrostis xacutiflora ‘Karl Foerster’ divisions, and Miscanthus ‘Purpurascens’ divisions. Sporobolus heterolepis and Miscanthus sinensis ‘Variegatus’ grew faster and finished with significantly higher survival rates from spring divisions. Spring planted plugs of S. heterolepis and S. scoparium finished within 9 weeks. The two smaller container sizes finished significantly ahead of the larger size.

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Author notes

Paper No. 021210106 Minnesota Experiment Station.

2Former graduate research assistant and associate professor, respectively.