Ryegrass and Fescue Seeds – Why Mix

Q: Our landscape contractor is telling me I need to mix ryegrass seed with my fescue seed at planting time. What is the purpose of this?

A: When soil temperatures are above 55 degrees there is no need to mix fescue with ryegrass. In December, January, and early February, when soil temperatures are much cooler, it might be reasonable to mix the seeds. The ryegrass would germinate and establish quicker than fescue, serving as a nurse grass. If they are mixed, don’t exceed 40% ryegrass. Two pounds of ryegrass plus three pounds of fescue equals the recommended five pounds of seed per 1000 square feet. Right now I recommend planting a fescue seed blend.

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