I hope it's useful. I always have some cover crop mix on hand, and intend to sow it much more often than I do. Something fast like buckwheat is probably worth planting any time a patch of soil is idle for a month.
Once I test-sprouted a cover-crop mix on a coffee filter. Boy, those are VIGOROUS sprouts! I thought they were going to climb out of the dish, shoulder me aside, and march out the door to plant themselves.
