We're very pleased to announce that national gardening treasure, author and broadcaster, Alan Titchmarsh, will be joining us at HQ on 10 October to answer all your questions.
From Ground Force to The Alan Titchmarsh Show, Alan has been on our screens for more than twenty years now, and was awarded the MBE in the Millennium New Year Honours list. He started his working life as a gardener in his native Yorkshire at just 15 and went on to become a renowned gardening writer and broadcaster.
Over the last twenty years he has also presented several documentaries about the Royal Family, managed to ride with The King's Troop Royal Horse Artillery without falling off and his book Elizabeth: Her Life, Our Times was written for the Diamond Jubilee.
His new book, The Queen's Houses is a guided tour through every apsect of the five royal residences and is published on 9 October by BBC Books. His show, The Alan Titchmarsh Show, is on ITV at 3pm Monday to Friday.
Leave your questions for Alan below and make sure you join us for the webchat on the afternoon of 10 October.