Scientific Name: Brassica napus
Life Cycle: Winter Annual
Growth Habit: Upright
Preferred Soil pH: 5.5-8.0 Min.
Germination Temp.: 41F
Upright cool-season or winter annual that grow 3-5 feets tall. They have narrow leaves, yellow flowers, a strong taproot, and fibrous and lateral roots.
For more region specific information, each cover crop species can be found in the cover crop decision tool by name.
Brassicas & mustards overview: Managing Cover Crops Profitably (SARE Handbook Series Book 9) by Andy Clark (2007, 3rd ed.)