What about annual rhy grass for a green fertalizer?

Alan Erwin
by Alan Erwin
At the encouragement of others, and responses on a gardening blog, I planted annual rhy grass in my home garden in mid-October. Living in East-central Indiana, we were just then clearing our gardens of plants as the weather had begun to turn toward fall and winter-like.
Now, in mid-November, with no frost or freezing temps until this past weekend, I do not have any rhy grass growing in the garden. I was planning on a cover crop to plow in next spring. Any suggestions what may have happened?

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