How can I get the pepper?

Hint 1 of 11:

The briar patch is in the way.

Hint 2 of 11:

Your vegi-grow will only make the situation worse.

Hint 3 of 11:

Where did you get vegi-grow?

Hint 4 of 11:

The barn.  The barn has to be malevolated first, before you can continue. 
This happens only after you've completed all of the puzzles within the
"cutified" barn.

Hint 5 of 11:

The Malevolator changes everything in Cutopia to the exact opposite.  Right?

Hint 6 of 11:

So the vegi-grow would have been malevolated.

Hint 7 of 11:

What is the opposite of fertilizer?