It does not plainly state that food grown by individuals for their own consumption would be illegal, but the problem is that the language is so vague that it could be interpreted in that manner.
This kind of thing just makes me shake my head in wonder. The lawmakers in our country seem so out of touch with the people who sent them to Washington in the first place. I think that there are already more laws on the books than the authorities have the resources to enforce. Give us a break and let this one die a peaceful death.
If you want to read about the bill (or better yet, pick up the phone and call your legislators), Google HR 875 and S 425. I found an article about it here.