The idea came from researching her previous book, as well as some personal motivation.
Sign up for the free, hands on, 20-week horticulture course in Blarbuie Woodland.
Around 370m of carriageway has been realigned and a section of the hillside scaled back, widening the road and improving driver visibility.
Filming for the TV drama took place on Ardkinglas Estate.
Work will take place overnight, with traffic lights in place during the day.
Man had be out on the loch in a small power boat when he got into difficulties.