Make two straight stitches with equal lengths meeting at a downward point:
Now the variations, which there are quite a number of.
You can stitch them as single units. Either in a vertical row, or a horizontal row.
The next variation was sort of cool. You can do different types of threaded and whipped stitches with the wheat ear stitch, I chose to wrap the thread around the straight stitches:
So these are only a few of the possibilities there are many, many more!
This little sampler took quite a bit of time to do, so I may not always have time for this kind of effort, but for now: