seed or sod - Knowledgebase Question

Washington Depot, Co
Question by allym3
September 12, 2008
We have a fairly steep slope which is mostly shaded. We have seeded it twice, once using straw mulch (which was pretty unsuccessful)then again using the scotts grass seed mulch (I cant remember the exact name, but it was blue green color, had seed & fertilizer in it. It worked well and the grass grew, but as soon as we had that rainy spell in the beginning of the summer, it washed it out. Shaddy grass seed just doesn't seem sturdy enough. Would sod be a better solution or would it also be a waste of time & money. Could we use some other type of seed? -- thanks for your help

Answer from NGA
September 12, 2008


As you've recently experienced, getting turfgrass established on a steep slope can be a hit or miss proposition. The soil needs to be loose enough for good root penetration, but not so soft that it runs off during a rainstorm. Since you've tried seeding twice, I think sodding would solve the problem. I'd rake, till or dig the soil to make it more hospitable to root growth then lay sod over the soil. Sod will already have a healthy network of roots so your goal will be to make sure the sod makes really good contact with the soil so the roots can work their way down into the soil. It should only take a few weeks after installation for the sod to extend its roots into your soil. The thick sod and thick network of roots should stop the soil erosion.

Best wishes with your lawn!

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