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EC-2 Temporary and Permanent Seeding (TS/PS) <br /> Table TS/PS-3. Seeding Dates for Annual and Perennial Grasses <br /> Annual Grasses Perennial Grasses <br /> (Numbers in table reference <br /> species in Table TS/PS-1) <br /> Seeding Dates Warm Cool Warm Cool <br /> January 1—March 15 ✓ ✓ <br /> March 16—April 30 4 1,2,3 ✓ ✓ <br /> May 1—May 15 4 ✓ <br /> May 16—June 30 4,5,6,7 <br /> July 1—July 15 5,6,7 <br /> July 16—August 31 <br /> September 1—September 30 8,9,10,11 <br /> October 1—December 31 ✓ ✓ <br /> Mulch <br /> Cover seeded areas with mulch or an appropriate rolled erosion control product to promote establishment <br /> of vegetation. Anchor mulch by crimping, netting or use of a non-toxic tackifier. See the Mulching BMP <br /> Fact Sheet for additional guidance. <br /> Maintenance and Removal <br /> Monitor and observe seeded areas to identify areas of poor growth or areas that fail to germinate. Reseed <br /> and mulch these areas,as needed. <br /> An area that has been permanently seeded should have a good stand of vegetation within one growing <br /> season if irrigated and within three growing seasons without irrigation in Colorado. Reseed portions of <br /> the site that fail to germinate or remain bare after the first growing season. <br /> Seeded areas may require irrigation, particularly during extended dry periods. Targeted weed control may <br /> also be necessary. <br /> Protect seeded areas from construction equipment and vehicle access. <br /> TS/PS-6 Urban Drainage and Flood Control District June 2012 <br /> Urban Storm Drainage Criteria Manual Volume 3 <br />