PRAIRIES OF ILLINOIS


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Table 2. Propagation Data For Selected Prairie Plants*

Columes I and II - Species
Colume III - Type and Weeks of Stratification
Colume IV - Days to First Germination
Colume V - Days to Peak Germination

I II III IV V

Lead Plant Amorpha canescens 8 dry 6 20 Big Bluestem Andropogon gerardi 10 dry 5 20 Long-fruited anemone Anemone cylindrica none 15 24 Pasque flower Anemone patens 16 dry 9 17 Heath aster Aster ericoides none 8 15 Heath aster Aster ericoides 8 damp 8 27 Smooth aster Aster laevis none 7 20 New England aster Aster novae-angliae 16 dry 7 12 Silky aster Aster sericeus 10 dry 3 11 Wild false indigo** Baptisia leucophaea 6 damp 5 10 Side oats grama Bouteloua curtipendula 10 dry 5 12 Stiff tickseed Coreopsis palmata 8 damp 4 14 Purple prairie clover Dalea purpurea 10 dry 5 12 Canada tickclover Desmodium canadense none 14 28 Illinois tickclover Desmodium illinoense none 7 15 Boneset Eupatorium perfoliatum 16 dry 8 14 Downy gentian Gentiana puberula 12 dry - - Downy gentian Gentiana puberula 8 damp 18 40 Prairie sunflower Helianthus rigidus 10 dry 15 49 Alumroot Heuchera richardsonii 16 dry 15 22 June grass Koeleria cristata 10 damp 7 19 Prairie bush clover Lespedeza capitata 10 dry 7 14 Rough blazing star Liatris aspera 10 dry 6 45 Cylindrical blazing Liatris cylindracea 10 dry 8 45 star Tall blazing star Liatric pycnostachya 8 dry 14 30 Prairie hyssop Pycnanthemum virginianum 16 dry 13 20 Drooping coneflower Ratibida pinnata 10 dry 5 13 Black-eyed susan Rudbeckia hirta 10 dry 6 14 Little bluestem Schizachrium scorparium 10 dry 5 20 Stiff goldenrod Solidago rigida 10 dry 6 14 Indian grass Sorghastrum nutans 10 dry 8 19 Prairie dropseed Sporobolus heterolepis 10 dry 7 25

* Modified from Nuzzo (1976)
** These seeds were also scarified.


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