Laserfiche WebLink
I <br /> Ithis mixture at a rate of 60 pounds per acre. Consult Hydraulic Permit Authority <br /> (HPA)for seed mixes if applicable. <br /> ITable 11-4.1.6 Wet Area Seed Mix*%Weight % Purity %Germination <br /> ITall or meadow fescue <br /> Festuca arundinacea or Festuca ela- 60-70 98 90 <br /> tior <br /> ISeaside/Creeping bentgrass <br /> 10-15 98 85 <br /> Agrostis palustris <br /> IMeadow foxtail <br /> 10-15 90 80 <br /> Alepocurus pratensis <br /> IAlsike clover <br /> 1-6 98 90 <br /> Trifolium hybridum <br /> I Redtop bentgrass <br /> 1-6 92 85 <br /> Agrostis a/ba <br /> I <br /> * Modified Briargreen, Inc. Hydroseeding Guide Wetlands Seed Mix <br /> . Table 11-4.1.7 Meadow Seed Mix (p.282) lists a recommended meadow seed mix <br /> Ifor infrequently maintained areas or non-maintained areas where colonization by <br /> native plants is desirable. Likely applications include rural road and utility right-of- <br /> way. Seeding should take place in September or very early October in order to <br /> ' obtain adequate establishment prior to the winter months. Consider the appro- <br /> priateness of clover, a fairly invasive species, in the mix.Amending the soil can <br /> Ireduce the need for clover. <br /> Table ll .1.7 Meadow ee Mix <br /> %Weight% Purity%Germination <br /> Redtop or Oregon bentgrass <br /> 20 92 85 <br /> I Agrostis alba or Agrostis oregonensis <br /> Red fescue <br /> 70 98 90 <br /> I Festuca rubra <br /> White dutch clover <br /> 10 98 90 <br /> Trifolium repens <br /> I <br /> . Roughening and Rototilling: <br /> I . The seedbed should be firm and rough. Roughen all soil no matter what the <br /> slope. Track walk slopes before seeding if engineering purposes require <br /> I <br /> 2014 Stormwater Management Manual for Western Washington <br /> Volume 11- Chapter 4 -Page 282 <br />