When ripe. Usually late August or September depending on how the weather has been.
August till October
U.S. imports of rapeseed oil were 241,586 metric tons in 2001
U.S. rapeseed consumption reached 649 million pounds in 2000
Global rapeseed production was 13.1 million metric tons in 2000-01
U.S. imports of rapeseed oil were 241,586 metric tons in 2001
Global rapeseed production was 13.6 million metric tons in 1999-00
Global rapeseed production was 12.2 million metric tons in 2001-2002
Canola is rapeseed. The name Canola is a trademarked hybrid plant first grown in Canada. So Canola Oil is a specific kind of rapeseed oil.
U.S. rapeseed consumption reached 316 million pounds in the mid-1990s
The Telugu name for rapeseed is ఆవాలు (Aavalu).
The Tamil name for rapeseed is "காராநாவு" (kaaranavu).
In 2001 world production of rapeseed oil was 13.1 million metric tons
Rapeseed comes from a completely different different plant. It is not related to wheat.