Seed mixture selection and other information for various construction site stabilization periods
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Seed/Mixture Name and Planting Season MnDOT Mixture # Common Name Scientific Name Rate (lb/acre) % of Mix (by weight)
Oats One Year Cover Crop May 1 – August 1 21-111 Oats Avena sativa 100.00 100.00%
Total 100.00 100.00%
Winter Wheat One Year Cover Crop August 1 – October 1 21-112 Winter Wheat Triticum aestivum 100.00 100.00%
Total 100.00 100.00%
Soil Building One Year Cover Crop May 1 – August 1 21-113 Field Pea Pisum sativum 50.00 45.46%
Oats Avena sativa 60.00 54.54%
Total 110.00 100.00%
One to Two Year Stabilization April 1 – July 20 July 20 – October 20 22-111 Slender Wheatgrass Elymus trachycaulus 9.00 29.50%
Perennial Ryegrass Lolium perenne 4.50 14.76%
Alfalfa Medicago sativa 8.50 27.86%
Red Clover Trifolium pratense 8.50 27.88% X
Total 30.50 100.00%
Two to Five Year Stabilization April 1 – July 20 July 20 – October 20 22-112 Perennial Ryegrass Lolium perenne 13.50 33.75%
Smooth Brome Bromus inermis 6.00 14.99%
Slender Wheatgrass Elymus trachycaulus 2.00 5.01%
Big Bluestem Andropogon gerardii 0.50 1.25%
Alfalfa Medicago sativa 8.50 21.25%
Red Clover Trifolium pratense 5.50 13.74%
Alsike Clover Trifolium hybridum 3.50 8.75%
American Vetch Vicia americana 0.50 1.26%
Total 40.00 100.00%