George Anderson and Brian Cunningham tackle viewers' questions and also start a major new project as they launch a makeover of an area at Beechgrove called the Crooked Garden. One of the first parts of that revamp is the creation of a stumpery, a growing technique based on an old tree and planted with a range of ferns. George has details on feeding cherry trees right now, Brian is back in the 8x6 greenhouse, and there is a visit to St Andrews Botanic Garden