The best sign of spring is when the Beechgrove Garden returns and Jim McColl, Carole Baxter, George Anderson, Chris Beardshaw and Brian Cunningham are all back in the garden dispensing sage advice to keep growing.At this time of the year, we are normally bemoaning winter storms - so what do we have to talk about after one of the mildest winters on record? Jim and team look at the signs of spring and see if it really has come early this year. Jim also takes a look at the progress of the overwintered veg, while George has already set himself a challenge to produce a weekly salad.Carole has been in search of early signs of spring as she takes an up close and personal look at the tiny world of snowdrops. She also visits Helen Rushton in Rothienorman to discover why these tiny beauties excite such passions.