Above ground as the oat plant is like wheat.
There are lots of plants on which the edible part is above the ground. Some are tomatoes, peppers, zuchinni, lettuce, cabbage, brocolli, apples, oranges, raspberries, walnuts, pecan, other nuts, parsley, chives, basil, corn, wheat, oats, and many more.
fine oats are ground and rolled, medium oats are only ground or only rolled
Oats grows in fields almost all over the world.
oats grow by us putting them in the siol then water it everyday.
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Well, first of all, you don't grow flour. You grow wheat, corn, oats, etc, which is dried and then ground into flour, but there isn't a 'flour' plant that I'm aware of otherwise.No child left behind........
Warm growing seasons.
On the eastern plains.
1.45lbs per bushel
Finland grows oats, potatoes, and beets, for example.