Secale cereale. Fall Rye is a soil builder. This cereal grain grows quickly in the fall and survives winter weather even in zone 3. It bursts into growth in the spring so try to turn under or cut back before it reaches 30cm (12"). It is harder to turn under when it is 1m (3') tall. Extensive roots loosen topsoil and improve drainage. Plant Fall Rye cover crop seeds in mid September for best results, but fall rye will germinate as late as early November. Use 50kg (110 lb) per acre. 500g covers 438 ft.
Rye improves soil tilth and drainage, prevents erosion, and suppresses weeds. Once tilled under, it is a good source of carbon-rich organic matter. Continue reading below for some good advice on how to grow fall rye from seed.
Exposure: Full sun to partial shade
Plant fall rye 6-8 weeks before the first frost date for best results. The seeds will germinate as late as early November. A spring crop can be planted March through April. Hardy to Zone 3: -40°C (-40°F).
Sow seeds 2-4cm (1-1½") deep.
After its burst of spring growth, turn rye under or cut it back before it reaches 30cm (12") tall. Allow three weeks after tilling before planting the next crop.