Burgundy picture quiz 5

Whose domaine is shown below, please? 

This is the last of our Burgundy picture quizzes. But since you are all far too good at this, here are three final questions, the very last one being effectively a near-impossible tie-breaker:

(a) From whose domaine was the picture in yesterday's quiz taken?

(b) And when did the current incumbent at that domaine take over in sole charge?

(c) Where was the second image below, the close-up of flowers, taken, please? 

I plan to look in detail at all the answers over the weekend and report on the winner early next week. Many...