She won't listen to her elders and she'll tend to be a little judgemental and hyper-defensive. So, brat as in: just plain difficult.
She won't knowingly put herself in trouble, but if she thinks she can get away with it and if she has a reason than she sure as hell would try the flowers-picking. How well is the place guarded? What would she get as a reward? Who would she know to give it to?
Or, might she just wander in and pick them by accident, then get in trouble?
And let's just see about her and Richard. Should be interesting.