Sow spring or fall. Spring for a cover crop that you will chop and work in. Fall for a cover crop that will cover the soil into the winter months.
Oats have an extensive root system which provides erosion control and opens the soil to air and water. The lush green tops suppress weeds by shading them out . The tops will winter-kill when the temperature reaches -10 degrees celsius and will provide a protective mat of organic matter that will slowly decompose over winter.
450 grams covers 250-300 sq ft.
Scatter seed over soil and cover lightly with soil. We like to firm them in with the back of a hard rake to ensure good seed-soil contact. Keep moist until they germinate.